81473146442748

Names of 81473146442748

• Cardinal: 81473146442748 can be written as Eighty-one trillion, four hundred seventy-three billion, one hundred forty-six million, four hundred forty-two thousand, seven hundred forty-eight.

Scientific notation

• Scientific notation: 8.1473146442748 × 10¹³

Factors of 81473146442748

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 89310

Divisors of 81473146442748

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 9 12 17 18 19 27 34 36 38 51 54 57 68 76 81 102 108 114 153 162 171 204 228 243 289 306 323 324 342 361 459 486 513 578 612 646 684 722 729 867 918 969 972 1026 1083 1156 1292 1377 1444 1458 1539 1734 1836 1938 2052 2166 2187 2601 2754 2907 2916 3078 3249 3468 3876 4131 4332 4374 4617 5202 5491 5508 5814 6137 6156 6498 7803 8262 8721 8748 9234 9747 10404 10982 11628 12274 12393 12996 13851 15606 16473 16524 17442 18411 18468 19494 21964 23409 24548 24786 26163 27702 29241 31212 32946 34884 36822 37179 38988 41553 46818 49419 49572 52326 55233 55404 58482 65892 70227 73644 74358 78489 83106 87723 89269 93636 98838 104329 104652 110466 116964 140454 148257 148716 156978 165699 166212 175446 178538 197676 208658 210681 220932 235467 263169 267807 280908 296514 312987 313956 331398 350892 357076 417316 421362 444771 470934 497097 526338 535614 593028 625974 632043 662796 706401 789507 803421 842724 889542 938961 941868 994194 1052676 1071228 1251948 1264086 1334313 1412802 1491291 1517573 1579014 1606842 1696111 1779084 1877922 1988388 2410263 2528172 2668626 2816883 2825604 2982582 3035146 3158028 3213684 3392222 3755844 4002939 4473873 4552719 4820526 5088333 5337252 5633766 5965164 6070292 6784444 7230789 8005878 8450649 8947746 9105438 9641052 10176666 11267532 12008817 13421619 13658157 14461578 15264999 16011756 16901298 17895492 18210876 20353332 21692367 24017634 25351947 25798741 26843238 27316314 28833887 28923156 30529998 32226109 33802596 40974471 43384734 45794997 48035268 50703894 51597482 53686476 54632628 57667774 61059996 64452218 65077101 76055841 77396223 81948942 86501661 86769468 91589994 96678327 101407788 103194964 115335548 122923413 128904436 130154202 137384991 152111682 154792446 163897884 173003322 183179988 193356654 195231303 228167523 232188669 245846826 259504983 260308404 274769982 290034981 304223364 309584892 346006644 368770239 386713308 390462606 412154973 456335046 464377338 490176079 491693652 519009966 547843853 549539964 580069962 696566007 737540478 778514949 780925212 824309946 870104943 912670092 928754676 980352158 1038019932 1095687706 1106310717 1160139924 1236464919 1393132014 1470528237 1475080956 1557029898 1643531559 1648619892 1740209886 1960704316 2089698021 2191375412 2212621434 2335544847 2472929838 2610314829 2786264028 2941056474 3114059796 3287063118 3318932151 3480419772 3709394757 4179396042 4411584711 4425242868 4671089694 4930594677 4945859676 5220629658 5882112948 6269094063 6574126236 6637864302 7006634541 7418789514 7830944487 8358792084 8823169422 9313345501 9342179388 9861189354 10441259316 12538188126 13234754133 13275728604 14013269082 14791784031 14837579028 15661888974 17646338844 18626691002 18807282189 19722378708 21019903623 23492833461 25076376252 26469508266 27940036503 28026538164 29583568062 31323777948 37253382004 37614564378 39704262399 42039807246 44375352093 46985666922 52939016532 55880073006 56421846567 59167136124 63059710869 70478500383 75229128756 79408524798 83820109509 84079614492 88750704186 93971333844 111760146012 112843693134 119112787197 126119421738 133126056279 140957000766 158817049596 167640219018 177501408372 225687386268 238225574394 251460328527 252238843476 266252112558 281914001532 335280438036 357338361591 399378168837 476451148788 502920657054 532504225116 714676723182 754380985581 798756337674 1005841314108 1072015084773 1198134506511 1429353446364 1508761971162 1597512675348 2144030169546 2263142956743 2396269013022 3017523942324 4288060339092 4526285913486 4792538026044 6789428870229 9052571826972 13578857740458 20368286610687 27157715480916 40736573221374 81473146442748
• Sum of all divisors σ(n): 239740148306400
• Sum of proper divisors (its aliquot sum) s(n): 158267001863652
• 81473146442748 is an abundant number, because the sum of its proper divisors (158267001863652) is greater than itself. Its abundance is 76793855420904

Bases of 81473146442748

• Binary: 10010100001100101110001111100111101001111111100₂
• Hexadecimal: 0x4A1971F3D3FC
• Base-36: SVO8VTFR0

Squares and roots of 81473146442748

• 81473146442748 squared (81473146442748²) is 6637873591281461086441791504
• 81473146442748 cubed (81473146442748³) is 540808447170924062981675032806881888812992
• The square root of 81473146442748 is 9026247.6391215857
• The cube root of 81473146442748 is 43351.5699306869

Scales and comparisons

• 81,473,146,442,748 seconds is equal to 2,590,594 years, 2 weeks, 1 day, 23 hours, 25 minutes, 48 seconds.
• To count from 1 to 81,473,146,442,748 would take you about six million, four hundred seventy-six thousand, four hundred eighty-five 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 81473146442748 cubic inches would be around 3612.6 feet tall.

Recreational maths with 81473146442748

• 81473146442748 backwards is 84724464137418
• The number of decimal digits it has is: 14
• The sum of 81473146442748's digits is 63
• More coming soon!