81790029612

Names of 81790029612

• Cardinal: 81790029612 can be written as Eighty-one billion, seven hundred ninety million, twenty-nine thousand, six hundred twelve.

Scientific notation

• Scientific notation: 8.1790029612 × 10¹⁰

Factors of 81790029612

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 106

Divisors of 81790029612

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 9 12 18 23 27 31 36 46 47 54 62 69 81 92 93 94 108 124 138 141 162 186 188 207 243 276 279 282 324 372 414 423 486 558 564 621 713 729 828 837 846 961 972 1081 1116 1242 1269 1426 1457 1458 1674 1692 1863 1922 2139 2162 2187 2484 2511 2538 2852 2883 2914 2916 3243 3348 3726 3807 3844 4278 4324 4371 4374 5022 5076 5589 5766 5828 6417 6486 6561 7452 7533 7614 8556 8649 8742 8748 9729 10044 11178 11421 11532 12834 12972 13113 13122 15066 15228 16767 17298 17484 19251 19458 19683 22103 22356 22599 22842 25668 25947 26226 26244 29187 30132 33511 33534 34263 34596 38502 38916 39339 39366 44206 45167 45198 45684 50301 51894 52452 57753 58374 66309 67022 67068 67797 68526 77004 77841 78678 78732 87561 88412 90334 90396 100533 100602 102789 103788 115506 116748 118017 132618 134044 135501 135594 137052 150903 155682 157356 173259 175122 180668 198927 201066 201204 203391 205578 231012 233523 236034 262683 265236 271002 271188 301599 301806 308367 311364 346518 350244 354051 397854 402132 406503 406782 411156 452709 467046 472068 519777 525366 542004 596781 603198 603612 610173 616734 693036 700569 708102 788049 795708 813006 813564 904797 905418 925101 934092 1038841 1039554 1050732 1062153 1193562 1206396 1219509 1220346 1233468 1401138 1416204 1559331 1576098 1626012 1790343 1809594 1810836 1850202 2077682 2079108 2101707 2124306 2364147 2387124 2439018 2440692 2714391 2802276 3116523 3118662 3152196 3186459 3580686 3619188 3658527 3700404 4155364 4203414 4248612 4677993 4728294 4878036 5371029 5428782 6233046 6237324 6305121 6372918 7092441 7161372 7317054 8143173 8406828 9349569 9355986 9456588 9559377 10742058 10857564 10975581 12466092 12610242 12745836 14033979 14184882 14634108 16113087 16286346 18699138 18711972 18915363 19118754 21277323 21484116 21951162 24429519 25220484 28048707 28067958 28369764 28678131 32226174 32572692 32926743 37398276 37830726 38237508 42554646 43902324 48339261 48859038 56097414 56135916 57356262 64452348 65853486 73288557 75661452 84146121 85109292 96678522 97718076 98780229 112194828 114712524 131706972 145017783 146577114 168292242 193357044 197560458 219865671 252438363 290035566 293154228 296340687 336584484 395120916 435053349 439731342 504876726 580071132 592681374 659597013 757315089 870106698 879462684 889022061 1009753452 1185362748 1319194026 1514630178 1740213396 1778044122 2271945267 2638388052 3029260356 3556088244 4543890534 6815835801 9087781068 13631671602 20447507403 27263343204 40895014806 81790029612
• Sum of all divisors σ(n): 236414965248
• Sum of proper divisors (its aliquot sum) s(n): 154624935636
• 81790029612 is an abundant number, because the sum of its proper divisors (154624935636) is greater than itself. Its abundance is 72834906024

Bases of 81790029612

• Binary: 1001100001011000100001100111100101100₂
• Hexadecimal: 0x130B10CF2C
• Base-36: 11KNO6R0

Squares and roots of 81790029612

• 81790029612 squared (81790029612²) is 6689608943931836870544
• 81790029612 cubed (81790029612³) is 547143313616884985351347170548928
• The square root of 81790029612 is 285989.5620682687
• The cube root of 81790029612 is 4340.7701354395

Scales and comparisons

• 81,790,029,612 seconds is equal to 2,600 years, 34 weeks, 5 days, 20 hours, 40 minutes, 12 seconds.
• To count from 1 to 81,790,029,612 would take you about five thousand, two hundred one 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 81790029612 cubic inches would be around 361.7 feet tall.

Recreational maths with 81790029612

• 81790029612 backwards is 21692009718
• The number of decimal digits it has is: 11
• The sum of 81790029612's digits is 45
• More coming soon!