81098309169072

Names of 81098309169072

• Cardinal: 81098309169072 can be written as Eighty-one trillion, ninety-eight billion, three hundred nine million, one hundred sixty-nine thousand and seventy-two.

Scientific notation

• Scientific notation: 8.1098309169072 × 10¹³

Factors of 81098309169072

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 45657

Divisors of 81098309169072

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 36 39 48 52 54 72 78 104 108 117 127 144 156 169 193 208 216 234 254 312 338 351 381 386 432 468 507 508 579 624 676 702 762 772 936 1014 1016 1143 1158 1352 1404 1521 1524 1544 1651 1737 1872 2028 2032 2286 2316 2509 2704 2808 3042 3048 3088 3302 3429 3474 4056 4563 4572 4632 4953 5018 5211 5616 6084 6096 6604 6858 6948 7527 8112 9126 9144 9264 9906 10036 10422 12168 13208 13716 13896 14859 15054 18252 18288 19812 20072 20844 21463 22581 24336 24511 26416 27432 27792 29718 30108 32617 36504 39624 40144 41688 42926 44577 45162 45319 49022 54864 59436 60216 64389 65234 67743 73008 73533 79248 83376 85852 89154 90324 90638 97851 98044 118872 120432 128778 130468 135486 135957 147066 171704 178308 180648 181276 193167 195702 196088 220599 237744 257556 260936 270972 271914 293553 294132 318643 343408 356616 361296 362552 386334 391404 392176 407871 441198 515112 521872 541944 543828 579501 587106 588264 589147 637286 661797 713232 725104 772668 782808 815742 880659 882396 955929 1030224 1083888 1087656 1159002 1174212 1176528 1178294 1223613 1274572 1323594 1545336 1565616 1631484 1761318 1764792 1767441 1911858 2175312 2318004 2348424 2356588 2447226 2549144 2647188 2867787 3090672 3262968 3522636 3529584 3534882 3823716 4142359 4636008 4696848 4713176 4894452 5098288 5294376 5302323 5735574 5755513 6525936 7045272 7069764 7647432 7658911 8284718 8603361 8746567 9272016 9426352 9788904 10588752 10604646 11471148 11511026 12427077 14090544 14139528 15294864 15317822 15906969 16569436 17206722 17266539 17493134 19577808 21209292 22942296 22976733 23022052 24854154 26239701 28279056 30635644 31813938 33138872 34413444 34533078 34986268 37281231 42418584 45884592 45953466 46044104 49708308 51799617 52479402 61271288 63627876 66277744 68826888 68930199 69066156 69972536 74562462 74821669 78719103 84837168 91906932 92088208 99416616 103599234 104958804 111843693 113705371 122542576 127255752 137653776 137860398 138132312 139945072 149124924 149643338 155398851 157438206 183813864 198833232 206790597 207198468 209917608 223687386 224465007 227410742 236157309 254511504 275720796 276264624 298249848 299286676 310797702 314876412 341116113 367627728 413581194 414396936 419835216 447374772 448930014 454821484 472314618 551441592 596499696 598573352 621595404 629752824 673395021 682232226 827162388 828793872 894749544 897860028 909642968 944629236 972681697 1023348339 1102883184 1110814009 1197146704 1243190808 1259505648 1346790042 1364464452 1478169823 1654324776 1789499088 1795720056 1819285936 1889258472 1945363394 2020185063 2046696678 2221628018 2486381616 2693580084 2728928904 2918045091 2956339646 3070045017 3308649552 3332442027 3591440112 3778516944 3890726788 4040370126 4093393356 4434509469 4443256036 5387160168 5457857808 5836090182 5912679292 6140090034 6664884054 7781453576 8080740252 8186786712 8754135273 8869018938 8886512072 9997326081 10774320336 11672180364 11825358584 12280180068 13303528407 13329768108 14440582117 15562907152 16161480504 16373573424 17508270546 17738037876 17773024144 19994652162 23344360728 23650717168 24560360136 26262405819 26607056814 26659536216 28881164234 29991978243 32322961008 35016541092 35476075752 39910585221 39989304324 43321746351 46688721456 49120720272 52524811638 53214113628 53319072432 57762328468 59983956486 70033082184 70952151504 79821170442 79978608648 86643492702 105049623276 106428227256 115524656936 119967912972 129965239053 140066164368 159642340884 159957217296 173286985404 187727567521 210099246552 212856454512 231049313872 239935825944 259930478106 319284681768 346573970808 375455135042 389895717159 420198493104 479871651888 519860956212 563182702563 638569363536 693147941616 750910270084 779791434318 1039721912424 1126365405126 1501820540168 1559582868636 1689548107689 2079443824848 2252730810252 3003641080336 3119165737272 3379096215378 4505461620504 5068644323067 6238331474544 6758192430756 9010923241008 10137288646134 13516384861512 20274577292268 27032769723024 40549154584536 81098309169072
• Sum of all divisors σ(n): 255372645580800
• Sum of proper divisors (its aliquot sum) s(n): 174274336411728
• 81098309169072 is an abundant number, because the sum of its proper divisors (174274336411728) is greater than itself. Its abundance is 93176027242656

Bases of 81098309169072

• Binary: 10010011100001000101011111010001110111110110000₂
• Hexadecimal: 0x49C22BE8EFB0
• Base-36: SQW1RDSC0

Squares and roots of 81098309169072

• 81098309169072 squared (81098309169072²) is 6576935750082387627081341184
• 81098309169072 cubed (81098309169072³) is 533378368845303928376748816360354372661248
• The square root of 81098309169072 is 9005459.9643256425
• The cube root of 81098309169072 is 43284.9845207993

Scales and comparisons

• 81,098,309,169,072 seconds is equal to 2,578,675 years, 19 weeks, 4 days, 14 hours, 31 minutes, 12 seconds.
• To count from 1 to 81,098,309,169,072 would take you about six million, four hundred forty-six thousand, six hundred eighty-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 81098309169072 cubic inches would be around 3607.1 feet tall.

Recreational maths with 81098309169072

• 81098309169072 backwards is 27096190389018
• The number of decimal digits it has is: 14
• The sum of 81098309169072's digits is 63
• More coming soon!