641643264990

Names of 641643264990

• Cardinal: 641643264990 can be written as Six hundred forty-one billion, six hundred forty-three million, two hundred sixty-four thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 6.4164326499 × 10¹¹

Factors of 641643264990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 378

Divisors of 641643264990

• Number of divisors d(n): 1080
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 17 18 21 26 27 30 34 35 39 42 45 49 51 54 63 65 70 78 81 85 90 91 98 102 105 117 119 126 130 135 147 153 162 169 170 182 189 195 210 221 234 238 245 255 270 273 289 294 306 315 331 338 351 357 378 390 405 441 442 455 459 490 507 510 546 567 578 585 595 630 637 662 663 702 714 735 765 810 819 833 845 867 882 910 918 945 993 1014 1053 1071 1105 1134 1170 1183 1190 1274 1323 1326 1365 1377 1445 1470 1521 1530 1547 1638 1655 1666 1690 1734 1755 1785 1890 1911 1986 1989 2023 2106 2142 2205 2210 2295 2317 2366 2457 2499 2535 2601 2646 2730 2754 2835 2873 2890 2979 3042 3094 3185 3213 3310 3315 3510 3549 3570 3757 3822 3969 3978 4046 4095 4165 4303 4335 4410 4563 4590 4634 4641 4914 4965 4998 5070 5202 5265 5355 5627 5670 5733 5746 5915 5958 5967 6069 6370 6426 6615 6630 6885 6951 7098 7371 7497 7514 7605 7735 7803 7938 8190 8281 8330 8606 8619 8670 8937 9126 9282 9555 9639 9930 9945 10115 10530 10647 10710 10829 11254 11271 11466 11585 11830 11934 12138 12285 12495 12909 13005 13230 13689 13770 13902 13923 14161 14365 14742 14895 14994 15210 15470 15606 16065 16219 16562 16881 17199 17238 17745 17874 17901 18207 18785 19110 19278 19845 19890 20111 20230 20853 21294 21515 21658 22491 22542 22815 23170 23205 23409 24570 24843 24990 25818 25857 26010 26299 26811 27378 27846 28135 28322 28665 28730 29790 29835 30121 30345 31941 32130 32438 32487 33762 33813 34398 34755 35490 35802 36414 36855 37485 37570 38727 39015 39389 39690 40222 41405 41706 41769 42483 43030 43095 44685 44982 45630 46410 46818 48195 48657 48841 49686 50643 51597 51714 52598 53235 53622 54145 54621 55939 56270 56355 57330 59670 60242 60333 60690 62559 63882 64545 64974 67473 67626 68445 69510 69615 70805 73151 73710 74529 74970 77454 77571 78030 78778 78897 81095 82810 83538 84405 84966 85995 86190 89370 89505 90363 91035 95659 95823 96390 97314 97461 97682 100555 101286 101439 103194 104265 106470 108290 109242 111878 112455 112710 116181 117045 118167 120666 124215 125118 125307 127449 129090 129285 131495 134055 134946 136890 139230 140777 141610 145971 146302 146523 149058 150605 151929 155142 157794 159705 162190 162435 163863 167817 168810 169065 171990 179010 180726 180999 182070 184093 187677 191318 191646 193635 194922 196945 201110 202878 208530 208845 210847 212415 219453 223587 224910 232362 232713 234090 236334 236691 243285 244205 248430 250614 253215 254898 257985 258570 262990 268110 271089 273105 275723 279695 281554 286977 291942 292383 293046 301210 301665 303858 304317 312795 319410 324870 327726 335634 337365 338130 341887 348543 354501 361998 365755 368186 372645 375354 382347 387270 387855 391573 393890 394485 417690 421694 422331 424830 437913 438906 439569 447174 451815 455787 465426 473382 478295 479115 486570 487305 488410 503451 506430 507195 512057 515970 542178 542997 546210 551446 552279 559390 573954 580905 584766 590835 603330 608634 625590 626535 632541 637245 658359 669613 670761 674730 683774 697086 703885 709002 710073 729855 731510 732615 745290 759645 764694 775710 783146 788970 813267 819315 827169 839085 844662 860931 875826 877149 879138 903630 904995 911574 920465 938385 950963 956590 958230 974610 1006902 1014390 1024114 1025661 1054235 1063503 1085994 1097265 1104558 1117935 1147041 1161810 1163565 1174719 1181670 1183455 1243567 1253070 1265082 1266993 1274490 1313739 1316718 1318707 1339226 1341522 1355445 1378615 1407770 1420146 1434885 1459710 1461915 1465230 1510353 1519290 1521585 1536171 1626534 1628991 1638630 1654338 1656837 1678170 1709435 1721862 1742715 1754298 1772505 1809990 1840930 1876770 1897623 1901926 1911735 1957865 1975077 2008839 2051322 2108470 2111655 2127006 2130219 2189565 2194530 2197845 2235870 2278935 2294082 2327130 2349438 2366910 2393209 2439801 2481507 2487134 2517255 2533986 2560285 2582793 2627478 2637414 2710890 2714985 2741011 2757230 2761395 2852889 2869770 2923830 3020706 3043170 3072342 3076983 3162705 3190509 3257982 3291795 3313674 3348065 3353805 3418870 3485430 3524157 3545010 3550365 3584399 3730701 3795246 3800979 3823470 3915730 3950154 3956121 4017678 4066335 4135845 4223310 4260438 4304655 4379130 4385745 4395690 4531059 4557870 4608513 4687291 4754815 4786418 4879602 4963014 4970511 5034510 5120570 5128305 5165586 5317515 5429970 5482022 5522790 5692869 5705778 5735205 5873595 5925231 6026517 6153966 6217835 6325410 6334965 6381018 6568695 6583590 6593535 6656741 6696130 6707610 7048314 7100730 7168798 7179627 7444521 7461402 7551765 7601958 7680855 7748379 7912242 8132670 8144955 8223033 8271690 8284185 8558667 8609310 8704969 8771490 9062118 9217026 9230949 9374582 9488115 9509630 9875385 9941022 10044195 10256610 10572471 10635030 10651095 10753197 11192103 11385738 11402937 11470410 11747190 11850462 11966045 12053034 12199005 12407535 12435670 12669930 12913965 13137390 13187070 13313482 13705055 13825539 14061873 14264445 14359254 14889042 14911533 15103530 15361710 15384915 15496758 15952545 16166371 16289910 16446066 16568370 17078607 17117334 17409938 17620785 17921995 18079551 18461898 18653505 18976230 19004895 19750770 19780605 19970223 20088390 21144942 21302190 21506394 21538881 22333563 22384206 22655295 22805874 23042565 23436455 23932090 24398010 24669099 24815070 24852555 25676001 25827930 26114907 27410110 27651078 27692847 28123746 28464345 28528890 29626155 29823066 30132585 30769830 31717413 31905090 32259591 32332742 33283705 33576309 34157214 35241570 35843990 35898135 36159102 37222605 37307010 38009790 38741895 39561210 39940446 41115165 41476617 42185619 42793335 43077762 43524845 44667126 45310590 46085130 46154745 46597187 46872910 48499113 49338198 49705110 51352002 52229814 52862355 53765985 54238653 55385694 55960515 56928690 57014685 59252310 59910669 60265170 60934783 63434826 64519182 64616643 66567410 67152618 69127695 70309365 71796270 74007297 74445210 74557665 77028003 77483790 78344721 80831855 82230330 82953234 84371238 85393035 85586670 87049690 90397755 92309490 93194374 96778773 96998226 99851115 100728927 105724710 107531970 107694405 108477306 111667815 111921030 113164597 114029370 119821338 121869566 123345495 126556857 128380005 129233286 130574535 138255390 138464235 139791561 140618730 145497339 148014594 149115330 154056006 156689442 158587065 161297955 161663710 167881545 170786070 179732007 180795510 182804349 193557546 193849929 199702230 201457854 207383085 210928095 215388810 222021891 223335630 226329194 232985935 235034163 242495565 246690990 253113714 256760010 261149070 271193265 276928470 279583122 290336319 290994678 299553345 304673915 317174130 322595910 323083215 335763090 339493791 359464014 365608698 370036485 379670571 385140015 387699858 391723605 414766170 419374683 421856190 436492017 444043782 465971870 470068326 483893865 484991130 503644635 539196021 542386530 548413047 565822985 580672638 599106690 609347830 632784285 646166430 678987582 698957805 705102489 727486695 740072970 759341142 770280030 783447210 792152179 838749366 872984034 898660035 914021745 967787730 969249645 1007289270 1018481373 1078392042 1096826094 1110109455 1131645970 1175170815 1258124049 1265568570 1309476051 1397915610 1410204978 1451681595 1454973390 1584304358 1645239141 1697468955 1797320070 1828043490 1898352855 1938499290 2036962746 2096873415 2182460085 2220218910 2350341630 2376456537 2516248098 2618952102 2695980105 2742065235 2903363190 3055444119 3290478282 3394937910 3525512445 3774372147 3796705710 3960760895 4193746830 4364920170 4752913074 4935717423 5092406865 5391960210 5484130470 6110888238 6290620245 6547380255 7051024890 7129369611 7548744294 7921521790 8226195705 9166332357 9871434846 10184813730 11882282685 12581240490 13094760510 14258739222 15277220595 16452391410 18332664714 18871860735 21388108833 23764565370 24678587115 30554441190 35646848055 37743721470 42776217666 45831661785 49357174230 64164326499 71293696110 91663323570 106940544165 128328652998 213881088330 320821632495 641643264990
• Sum of all divisors σ(n): 2315582613432
• Sum of proper divisors (its aliquot sum) s(n): 1673939348442
• 641643264990 is an abundant number, because the sum of its proper divisors (1673939348442) is greater than itself. Its abundance is 1032296083452

Bases of 641643264990

• Binary: 1001010101100100111010110011101111011110₂
• Hexadecimal: 0x9564EB3BDE
• Base-36: 86RLTZVI

Squares and roots of 641643264990

• 641643264990 squared (641643264990²) is 411706079507027359700100
• 641643264990 cubed (641643264990³) is 264168433071121564727231311229499000
• The square root of 641643264990 is 801026.3822059795
• The cube root of 641643264990 is 8625.1080963387

Scales and comparisons

• 641,643,264,990 seconds is equal to 20,402 years, 14 weeks, 16 hours, 16 minutes, 30 seconds.
• To count from 1 to 641,643,264,990 would take you about forty thousand, eight hundred four years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 641643264990 cubic inches would be around 718.8 feet tall.

Recreational maths with 641643264990

• 641643264990 backwards is 099462346146
• 641643264990 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 641643264990's digits is 54
• More coming soon!