81955382301072

Names of 81955382301072

• Cardinal: 81955382301072 can be written as Eighty-one trillion, nine hundred fifty-five billion, three hundred eighty-two million, three hundred one thousand and seventy-two.

Scientific notation

• Scientific notation: 8.1955382301072 × 10¹³

Factors of 81955382301072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 482

Divisors of 81955382301072

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 31 36 42 48 56 62 63 72 84 93 112 124 126 144 168 186 217 248 252 279 336 372 434 439 496 504 558 651 744 868 878 961 1008 1116 1302 1317 1488 1736 1756 1922 1953 2232 2604 2634 2883 3073 3472 3512 3844 3906 3951 4464 5208 5268 5766 6146 6727 7024 7688 7812 7902 8649 9219 10416 10536 11532 12292 13454 13609 15376 15624 15804 17298 18438 20181 21072 23064 24584 26908 27218 27657 31248 31608 34596 36876 40362 40827 46128 49168 53816 54436 55314 60543 63216 69192 73752 80724 81654 95263 107632 108872 110628 121086 122481 138384 147504 161448 163308 190526 192721 217744 221256 242172 244962 285789 322896 326616 381052 385442 421879 442512 484344 489924 571578 578163 653232 762104 770884 843758 857367 968688 979848 1143156 1156326 1265637 1349047 1524208 1541768 1687516 1714734 1734489 1959696 2286312 2312652 2531274 2698094 2953153 3083536 3375032 3429468 3468978 3796911 4047141 4572624 4625304 5062548 5396188 5906306 5974351 6750064 6858936 6937956 7593822 8094282 8859459 9250608 10125096 10792376 11812612 11948702 12141423 13717872 13875912 15187644 16188564 17718918 17923053 20250192 21584752 23625224 23897404 24282846 26578377 27751824 30375288 32377128 35437836 35846106 41820457 47250448 47794808 48565692 53156754 53769159 60750576 64754256 70875672 71692212 83640914 84604519 95589616 97131384 106313508 107538318 125461371 141751344 143384424 167281828 169209038 185204881 194262768 212627016 215076636 250922742 253813557 286768848 334563656 338418076 370409762 376384113 425254032 430153272 501845484 507627114 555614643 592231633 669127312 676836152 740819524 752768226 761440671 860306544 1003690968 1015254228 1111229286 1184463266 1296434167 1353672304 1481639048 1505536452 1522881342 1666843929 1776694899 2007381936 2030508456 2222458572 2368926532 2592868334 2622740089 2963278096 3011072904 3045762684 3333687858 3553389798 3889302501 4061016912 4444917144 4737853064 5185736668 5245480178 5330084697 6022145808 6091525368 6667375716 7106779596 7778605002 7868220267 8889834288 9475706128 10371473336 10490960356 10660169394 11667907503 12183050736 13334751432 14213559192 15557210004 15736440534 18359180623 20742946672 20981920712 21320338788 23335815006 23604660801 26669502864 28427118384 31114420008 31472881068 36718361246 41963841424 42640677576 46671630012 47209321602 55077541869 62228840016 62945762136 73436722492 81304942759 85281355152 93343260024 94418643204 110155083738 125891524272 146873444984 162609885518 165232625607 186686520048 188837286408 220310167476 243914828277 293746889968 325219771036 330465251214 377674572816 440620334952 487829656554 569134599313 650439542072 660930502428 731744484831 881240669904 975659313108 1138269198626 1300879084144 1321861004856 1463488969662 1707403797939 1951318626216 2276538397252 2643722009712 2926977939324 3414807595878 3902637252432 4553076794504 5122211393817 5853955878648 6829615191756 9106153589008 10244422787634 11707911757296 13659230383512 20488845575268 27318460767024 40977691150536 81955382301072
• Sum of all divisors σ(n): 271474006277760
• Sum of proper divisors (its aliquot sum) s(n): 189518623976688
• 81955382301072 is an abundant number, because the sum of its proper divisors (189518623976688) is greater than itself. Its abundance is 107563241675616

Bases of 81955382301072

• Binary: 10010101000100110111001011100110001000110010000₂
• Hexadecimal: 0x4A89B9731190
• Base-36: T1TS6LHG0

Squares and roots of 81955382301072

• 81955382301072 squared (81955382301072²) is 6716684688114865629652349184
• 81955382301072 cubed (81955382301072³) is 550468461410210364976947629422800361525248
• The square root of 81955382301072 is 9052921.2026324409
• The cube root of 81955382301072 is 43436.9337221171

Scales and comparisons

• 81,955,382,301,072 seconds is equal to 2,605,927 years, 33 weeks, 6 days, 12 hours, 31 minutes, 12 seconds.
• To count from 1 to 81,955,382,301,072 would take you about six million, five hundred fourteen thousand, eight hundred nineteen 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 81955382301072 cubic inches would be around 3619.7 feet tall.

Recreational maths with 81955382301072

• 81955382301072 backwards is 27010328355918
• The number of decimal digits it has is: 14
• The sum of 81955382301072's digits is 54
• More coming soon!