21283490340

Names of 21283490340

• Cardinal: 21283490340 can be written as Twenty-one billion, two hundred eighty-three million, four hundred ninety thousand, three hundred forty.

Scientific notation

• Scientific notation: 2.128349034 × 10¹⁰

Factors of 21283490340

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 110

Divisors of 21283490340

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 17 18 20 21 27 28 29 30 34 35 36 42 45 47 51 54 58 60 63 68 70 81 84 85 87 90 94 102 105 108 116 119 126 135 140 141 145 153 162 170 174 180 188 189 203 204 210 235 238 243 252 255 261 270 282 290 306 315 324 329 340 348 357 378 405 406 420 423 435 459 470 476 486 493 510 522 540 564 567 580 595 609 612 630 658 705 714 729 756 765 783 799 810 812 846 870 918 940 945 972 986 987 1015 1020 1044 1071 1134 1190 1215 1218 1260 1269 1305 1316 1363 1377 1410 1428 1458 1479 1530 1566 1598 1620 1645 1692 1701 1740 1785 1827 1836 1890 1972 1974 2030 2115 2142 2187 2268 2295 2349 2380 2397 2430 2436 2465 2538 2610 2726 2754 2820 2835 2916 2958 2961 3045 3060 3132 3196 3213 3290 3402 3451 3570 3645 3654 3780 3807 3915 3948 3995 4060 4089 4131 4230 4284 4374 4437 4590 4698 4794 4860 4930 4935 5076 5103 5220 5355 5452 5481 5508 5593 5670 5916 5922 6090 6345 6426 6561 6580 6804 6815 6885 6902 7047 7140 7191 7290 7308 7395 7614 7830 7990 8178 8262 8460 8505 8748 8874 8883 9135 9180 9396 9541 9588 9639 9860 9870 10206 10353 10710 10935 10962 11186 11340 11421 11745 11844 11985 12180 12267 12393 12690 12852 13122 13311 13630 13770 13804 14094 14382 14580 14790 14805 15228 15309 15660 15980 16065 16356 16443 16524 16779 17010 17255 17748 17766 18270 19035 19082 19278 19740 20412 20445 20655 20706 21141 21420 21573 21870 21924 22185 22372 22842 23171 23490 23970 24534 24786 25380 25515 26244 26622 26649 27260 27405 27540 27965 28188 28623 28764 28917 29580 29610 30618 31059 32130 32805 32886 33558 34020 34263 34510 35235 35532 35955 36540 36801 37179 38070 38164 38556 39933 40890 41310 41412 42282 43146 43740 44370 44415 45684 45927 46342 46980 47705 47940 48195 49068 49329 49572 50337 51030 51765 53244 53298 54810 55930 57105 57246 57834 59220 61236 61335 61965 62118 63423 64260 64719 65610 65772 66555 67116 68526 69020 69513 70470 71910 73602 74358 76140 76545 79866 79947 81780 82215 82620 83895 84564 85869 86292 86751 88740 88830 91854 92684 93177 95410 96390 98658 100674 102060 102789 103530 105705 106596 107865 109620 110403 111537 111860 114210 114492 115668 115855 119799 122670 123930 124236 126846 129438 131220 133110 133245 137052 139026 140940 143115 143820 144585 147204 147987 148716 151011 153090 155295 159732 159894 162197 164430 167790 171315 171738 173502 177660 183708 184005 185895 186354 190269 190820 192780 194157 197316 199665 201348 205578 207060 208539 211410 215730 220806 223074 228420 229635 231710 239598 239841 245340 246645 247860 251685 253692 257607 258876 260253 266220 266490 278052 279531 286230 289170 295974 302022 306180 308367 310590 317115 319788 323595 324394 328860 331209 335580 342630 343476 347004 347565 359397 368010 371790 372708 380538 388314 399330 399735 411156 417078 422820 429345 431460 433755 441612 443961 446148 453033 459270 463420 465885 479196 479682 486591 493290 503370 513945 515214 520506 532980 552015 557685 559062 572460 578340 582471 591948 598995 604044 616734 621180 625617 634230 647190 648788 662418 685260 695130 718794 719523 736020 739935 743580 755055 761076 772821 776628 780759 798660 799470 810985 834156 838593 858690 867510 887922 906066 918540 931770 951345 959364 970785 973182 986580 993627 1006740 1027890 1030428 1041012 1042695 1078191 1104030 1115370 1118124 1164942 1197990 1199205 1233468 1251234 1268460 1288035 1294380 1301265 1324836 1331883 1359099 1390260 1397655 1437588 1439046 1459773 1479870 1510110 1541835 1545642 1561518 1598940 1621970 1656045 1677186 1717380 1735020 1747413 1775844 1796985 1812132 1863540 1876851 1902690 1941570 1946364 1987254 2055780 2085390 2156382 2158569 2208060 2219805 2230740 2265165 2318463 2329884 2395980 2398410 2432955 2502468 2515779 2576070 2602530 2663766 2718198 2795310 2878092 2912355 2919546 2959740 2980881 3020220 3083670 3091284 3123036 3128085 3234573 3243940 3312090 3354372 3494826 3593970 3597615 3753702 3805380 3864105 3883140 3903795 3974508 4077297 4170780 4192965 4312764 4317138 4379319 4439610 4530330 4636926 4796820 4865910 4968135 5031558 5152140 5205060 5242239 5327532 5390955 5436396 5590620 5630553 5824710 5839092 5961762 6167340 6256170 6469146 6624180 6659415 6795495 6955389 6989652 7187940 7195230 7298865 7507404 7547337 7728210 7807590 8154594 8385930 8634276 8737065 8758638 8879220 8942643 9060660 9273852 9384255 9731820 9936270 10063116 10484478 10781910 10792845 11261106 11592315 11649420 11923524 12231891 12512340 12578895 12938292 13137957 13318830 13590990 13910778 14390460 14597730 14904405 15094674 15456420 15615180 16172865 16309188 16771860 16891659 17474130 17517276 17885286 18768510 19872540 20386485 20866167 20968956 21563820 21585690 21896595 22522212 22642011 23184630 24463782 25157790 26211195 26275914 26637660 27181980 27821556 28152765 29195460 29808810 30189348 32345730 33783318 34776945 34948260 35770572 36695673 37537020 37736685 39413871 40772970 41732334 43171380 43793190 44713215 45284022 46369260 48927564 50315580 50674977 52422390 52551828 56305530 59617620 61159455 62598501 64691460 65689785 67566636 69553890 73391346 75473370 78827742 81545940 83464668 84458295 87586380 89426430 90568044 101349954 104330835 104844780 112611060 113210055 118241613 122318910 125197002 131379570 139107780 146782692 150946740 152024931 157655484 168916590 178852860 183478365 197069355 202699908 208661670 226420110 236483226 244637820 250394004 253374885 262759140 304049862 312992505 337833180 354724839 366956730 394138710 417323340 452840220 472966452 506749770 591208065 608099724 625985010 709449678 733913460 760124655 788277420 1013499540 1064174517 1182416130 1251970020 1418899356 1520249310 1773624195 2128349034 2364832260 3040498620 3547248390 4256698068 5320872585 7094496780 10641745170 21283490340
• Sum of all divisors σ(n): 85706449920
• Sum of proper divisors (its aliquot sum) s(n): 64422959580
• 21283490340 is an abundant number, because the sum of its proper divisors (64422959580) is greater than itself. Its abundance is 43139469240

Bases of 21283490340

• Binary: 10011110100100110000100101000100100₂
• Hexadecimal: 0x4F4984A24
• Base-36: 9RZN290

Squares and roots of 21283490340

• 21283490340 squared (21283490340²) is 452986961052873315600
• 21283490340 cubed (21283490340³) is 9641143609714785441816371304000
• The square root of 21283490340 is 145888.6230656797
• The cube root of 21283490340 is 2771.2834629677

Scales and comparisons

• 21,283,490,340 seconds is equal to 676 years, 38 weeks, 6 days, 16 hours, 39 minutes.
• To count from 1 to 21,283,490,340 would take you about one thousand, three hundred fifty-three 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 21283490340 cubic inches would be around 230.9 feet tall.

Recreational maths with 21283490340

• 21283490340 backwards is 04309438212
• 21283490340 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21283490340's digits is 36
• More coming soon!