81730375488792

Names of 81730375488792

• Cardinal: 81730375488792 can be written as Eighty-one trillion, seven hundred thirty billion, three hundred seventy-five million, four hundred eighty-eight thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 8.1730375488792 × 10¹³

Factors of 81730375488792

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 288

Divisors of 81730375488792

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 36 47 72 79 94 141 157 158 188 237 282 314 316 376 423 471 474 564 628 632 711 846 942 948 1128 1256 1413 1422 1692 1884 1896 2826 2844 3384 3713 3768 5652 5688 6241 7379 7426 11139 11304 12403 12482 14758 14852 18723 22137 22278 24649 24806 24964 29516 29704 33417 37209 37446 44274 44556 49298 49612 49928 56169 59032 66411 66834 73947 74418 74892 88548 89112 98596 99224 111627 112338 132822 133668 147894 148836 149784 177096 197192 221841 223254 224676 265644 267336 293327 295788 297672 443682 446508 449352 531288 582941 586654 591576 879981 887364 893016 979837 1158503 1165882 1173308 1748823 1759962 1774728 1947271 1959674 2317006 2331764 2346616 2639943 2939511 3475509 3497646 3519924 3869893 3894542 3919348 4634012 4663528 5246469 5279886 5841813 5879022 6951018 6995292 7039848 7739786 7789084 7838696 8818533 9268024 10426527 10492938 10559772 11609679 11683626 11758044 13902036 13990584 15479572 15578168 17525439 17637066 20853054 20985876 21119544 23219358 23367252 23516088 27804072 30959144 34829037 35050878 35274132 41706108 41971752 46052339 46438716 46734504 69658074 70101756 70548264 83412216 91521737 92104678 92877432 138157017 139316148 140203512 153834409 181884971 183043474 184209356 274565211 276314034 278632296 305721547 307668818 363769942 366086948 368418712 414471051 461503227 545654913 549130422 552628068 611443094 615337636 727539884 732173896 823695633 828942102 917164641 923006454 1091309826 1098260844 1105256136 1222886188 1230675272 1384509681 1455079768 1636964739 1647391266 1657884204 1834329282 1846012908 2182619652 2196521688 2445772376 2751493923 2769019362 3273929478 3294782532 3315768408 3668658564 3692025816 4365239304 5502987846 5538038724 6547858956 6589565064 7230217223 7337317128 11005975692 11076077448 13095717912 14368912709 14460434446 21690651669 22011951384 24152002213 28737825418 28920868892 43106738127 43381303338 48304004426 57475650836 57841737784 65071955007 72456006639 86213476254 86762606676 96608008852 114951301672 129320214381 130143910014 144912013278 172426952508 173525213352 193216017704 217368019917 258640428762 260287820028 289824026556 344853905016 434736039834 517280857524 520575640056 579648053112 869472079668 1034561715048 1135144104011 1738944159336 2270288208022 3405432312033 4540576416044 6810864624066 9081152832088 10216296936099 13621729248132 20432593872198 27243458496264 40865187744396 81730375488792
• Sum of all divisors σ(n): 230428211832000
• Sum of proper divisors (its aliquot sum) s(n): 148697836343208
• 81730375488792 is an abundant number, because the sum of its proper divisors (148697836343208) is greater than itself. Its abundance is 66967460854416

Bases of 81730375488792

• Binary: 10010100101010101010101111111111001010100011000₂
• Hexadecimal: 0x4A5555FF9518
• Base-36: SYYEZCLY0

Squares and roots of 81730375488792

• 81730375488792 squared (81730375488792²) is 6679854277538932152917619264
• 81730375488792 cubed (81730375488792³) is 545946998313670333984324091442852955289088
• The square root of 81730375488792 is 9040485.3569259213
• The cube root of 81730375488792 is 43397.1455520331

Scales and comparisons

• 81,730,375,488,792 seconds is equal to 2,598,773 years, 6 weeks, 6 days, 13 minutes, 12 seconds.
• To count from 1 to 81,730,375,488,792 would take you about six million, four hundred ninety-six thousand, nine hundred thirty-two 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 81730375488792 cubic inches would be around 3616.4 feet tall.

Recreational maths with 81730375488792

• 81730375488792 backwards is 29788457303718
• 81730375488792 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81730375488792's digits is 72
• More coming soon!