81429009480

Names of 81429009480

• Cardinal: 81429009480 can be written as Eighty-one billion, four hundred twenty-nine million, nine thousand, four hundred eighty.

Scientific notation

• Scientific notation: 8.142900948 × 10¹⁰

Factors of 81429009480

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 524

Divisors of 81429009480

• Number of divisors d(n): 1024
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 18 20 21 24 26 27 28 30 35 36 37 39 40 42 45 49 52 54 56 60 63 65 70 72 74 78 84 90 91 98 104 105 108 111 117 120 126 130 135 140 147 148 156 168 180 182 185 189 195 196 210 216 222 234 245 252 259 260 270 273 280 294 296 312 315 333 343 351 360 364 370 378 390 392 420 441 444 455 457 468 481 490 504 518 520 540 546 555 585 588 630 637 666 686 702 728 735 740 756 777 780 819 840 882 888 910 914 936 945 962 980 999 1029 1036 1080 1092 1110 1170 1176 1260 1274 1295 1323 1332 1365 1371 1372 1404 1443 1470 1480 1512 1554 1560 1638 1665 1715 1755 1764 1813 1820 1828 1890 1911 1924 1960 1998 2058 2072 2184 2205 2220 2285 2331 2340 2405 2457 2520 2548 2590 2646 2664 2730 2742 2744 2808 2886 2940 3087 3108 3185 3199 3276 3330 3367 3430 3510 3528 3626 3640 3656 3780 3822 3848 3885 3996 4095 4113 4116 4329 4410 4440 4459 4570 4662 4680 4810 4914 4995 5096 5145 5180 5292 5439 5460 5484 5733 5772 5880 5941 6174 6216 6370 6398 6552 6615 6660 6734 6855 6860 6993 7020 7215 7252 7560 7644 7770 7992 8190 8226 8232 8658 8820 8918 9065 9140 9261 9324 9555 9597 9620 9828 9990 10101 10290 10360 10584 10878 10920 10968 11466 11544 11655 11882 12285 12339 12348 12691 12740 12796 12987 13230 13320 13377 13468 13710 13720 13986 14040 14430 14504 15288 15435 15540 15995 16317 16380 16452 16835 16909 17199 17316 17640 17823 17836 18130 18280 18522 18648 19110 19194 19240 19656 19980 20202 20565 20580 21645 21756 22295 22393 22932 23310 23569 23764 24570 24678 24696 25382 25480 25592 25974 26460 26754 26936 27195 27420 27972 28665 28791 28860 29705 30303 30870 31080 31990 32634 32760 32904 33670 33818 34398 34632 34965 35646 35672 36260 37044 38073 38220 38388 39960 40131 40404 41130 41160 41587 43290 43512 44590 44786 45864 46305 46620 47138 47528 47985 48951 49140 49356 50505 50727 50764 51948 52920 53469 53508 54390 54840 55944 57330 57582 57720 59410 60606 61695 61740 63455 63980 64935 65268 66885 67179 67340 67636 68796 69930 70707 71292 72520 74088 76146 76440 76776 80262 80808 81585 82260 83174 84545 85995 86373 86580 89115 89180 89572 90909 92610 93240 94276 95970 97902 98280 98712 101010 101454 101528 103896 106938 107016 108780 111965 114219 114660 115164 117845 118363 118820 120393 121212 123390 123480 124761 126910 127960 129870 130536 133770 134358 134680 135272 137592 139860 141414 142584 143955 151515 152181 152292 156751 160407 160524 163170 164520 164983 166348 169090 171990 172746 173160 178230 178360 179144 181818 185220 188552 190365 191940 195804 200655 201537 202020 202908 207935 212121 213876 217560 219817 223930 228438 229320 230328 235690 236726 237640 240786 242424 244755 246780 249522 253635 253820 259740 267345 267540 268716 279720 282828 287910 291109 303030 304362 304584 313502 320814 321048 326340 329966 332696 335895 338180 342657 343980 345492 353535 355089 356460 363636 370440 374283 380730 383880 391608 401310 403074 404040 405816 415870 424242 427752 431865 439634 447860 454545 456543 456876 470253 471380 473452 481572 489510 493560 494949 499044 507270 507640 519480 534690 535080 537432 565656 571095 575820 582218 591815 601965 604611 606060 608724 623805 627004 636363 641628 652680 659451 659932 671790 676360 685314 687960 690984 707070 710178 712920 727272 748566 760905 761460 783755 802035 802620 806148 824915 828541 831740 848484 863730 873327 879268 895720 909090 913086 913752 940506 942760 946904 963144 979020 989898 998088 1007685 1014540 1060605 1065267 1069380 1099085 1122849 1142190 1151640 1164436 1183630 1203930 1209222 1212120 1217448 1247610 1254008 1272726 1283256 1318902 1319864 1343580 1370628 1410759 1414140 1420356 1455545 1484847 1497132 1521810 1522920 1538719 1567510 1604070 1605240 1612296 1649830 1657082 1663480 1696968 1713285 1727460 1746654 1758536 1775445 1818180 1826172 1871415 1881012 1958040 1978353 1979796 2015370 2029080 2037763 2121210 2130534 2138760 2198170 2245698 2282715 2284380 2328872 2351265 2367260 2407860 2418444 2474745 2485623 2495220 2545452 2619981 2637804 2687160 2741256 2821518 2828280 2840712 2911090 2969694 2994264 3023055 3043620 3077438 3135020 3181815 3195801 3208140 3297255 3299660 3314164 3426570 3454920 3493308 3550890 3636360 3652344 3742830 3762024 3956706 3959592 4030740 4075526 4142705 4232277 4242420 4261068 4366635 4396340 4454541 4491396 4565430 4568760 4616157 4702530 4734520 4815720 4836888 4949490 4971246 4990440 5090904 5239962 5275608 5326335 5614245 5643036 5799787 5822180 5935059 5939388 6046110 6087240 6113289 6154876 6270040 6363630 6391602 6416280 6594510 6599320 6628328 6853140 6986616 7053795 7101780 7424235 7456869 7485660 7693595 7859943 7913412 8061480 8151052 8285410 8464554 8484840 8522136 8733270 8792680 8909082 8982792 9130860 9232314 9405060 9891765 9898980 9942492 10188815 10479924 10652670 10771033 11228490 11286072 11599574 11644360 11870118 11878776 12092220 12226578 12309752 12428115 12727260 12783204 13099905 13189020 13706280 13848471 14107590 14203560 14848470 14913738 14971320 15387190 15719886 15826824 15979005 16302104 16570820 16929108 17399361 17466540 17818164 18261720 18339867 18464628 18810120 19783530 19797960 19884984 20377630 20959848 21161385 21305340 21542066 22272705 22370607 22456980 23080785 23199148 23740236 24184440 24453156 24856230 25454520 25566408 26199810 26378040 27696942 28215180 28998935 29675295 29696940 29827476 30566445 30774380 31439772 31958010 32313099 33141640 33858216 34798722 34933080 35636328 36679734 36929256 37284345 39299715 39567060 40755260 41545413 42322770 42610680 43084132 44545410 44741214 44913960 46161570 46398296 47480472 48906312 49712460 52198083 52399620 53855165 55019601 55393884 56430360 57997870 59350590 59393880 59654952 61132890 61548760 62879544 63916020 64626198 69242355 69597444 73359468 74568690 75397231 78599430 79134120 81510520 83090826 84645540 86168264 86996805 89090820 89482428 91699335 92323140 96939297 99424920 104396166 104799240 107710330 110039202 110787768 111853035 115995740 118701180 122265780 127832040 129252396 138484710 139194888 146718936 149137380 150794462 156594249 157198860 161565495 166181652 169291080 173993610 178181640 178964856 183398670 184646280 193878594 207727065 208792332 215420660 220078404 223706070 226191693 231991480 237402360 244531560 258504792 260990415 275098005 276969420 290817891 298274760 301588924 313188498 314397720 323130990 332363304 347987220 366797340 376986155 387757188 415454130 417584664 430841320 440156808 447412140 452383386 484696485 521980830 550196010 553938840 581635782 603177848 626376996 646261980 678575079 695974440 733594680 753972310 775514376 782971245 830908260 894824280 904766772 969392970 1043961660 1100392020 1130958465 1163271564 1252753992 1292523960 1357150158 1454089455 1507944620 1565942490 1661816520 1809533544 1938785940 2035725237 2087923320 2200784040 2261916930 2326543128 2714300316 2908178910 3015889240 3131884980 3392875395 3877571880 4071450474 4523833860 5428600632 5816357820 6263769960 6785750790 8142900948 9047667720 10178626185 11632715640 13571501580 16285801896 20357252370 27143003160 40714504740 81429009480
• Sum of all divisors σ(n): 350864640000
• Sum of proper divisors (its aliquot sum) s(n): 269435630520
• 81429009480 is an abundant number, because the sum of its proper divisors (269435630520) is greater than itself. Its abundance is 188006621040

Bases of 81429009480

• Binary: 1001011110101100011000001010001001000₂
• Hexadecimal: 0x12F58C1448
• Base-36: 11EOQ9U0

Squares and roots of 81429009480

• 81429009480 squared (81429009480²) is 6630683584893929870400
• 81429009480 cubed (81429009480³) is 539929996493208200211256771392000
• The square root of 81429009480 is 285357.6869124083
• The cube root of 81429009480 is 4334.3740143265

Scales and comparisons

• 81,429,009,480 seconds is equal to 2,589 years, 9 weeks, 6 days, 9 hours, 18 minutes.
• To count from 1 to 81,429,009,480 would take you about five thousand, one hundred seventy-eight 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 81429009480 cubic inches would be around 361.2 feet tall.

Recreational maths with 81429009480

• 81429009480 backwards is 08490092418
• 81429009480 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81429009480's digits is 45
• More coming soon!