72666869121

Names of 72666869121

• Cardinal: 72666869121 can be written as Seventy-two billion, six hundred sixty-six million, eight hundred sixty-nine thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 7.2666869121 × 10¹⁰

Factors of 72666869121

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 5210

Divisors of 72666869121

• Number of divisors d(n): 240
• Complete list of divisors:
  1 3 7 9 11 17 19 21 27 33 49 51 57 63 77 81 99 119 133 147 153 171 187 189 209 231 297 323 357 399 441 459 513 539 561 567 627 693 833 891 931 969 1071 1197 1309 1323 1377 1463 1539 1617 1683 1881 2079 2261 2499 2793 2907 3213 3553 3591 3927 3969 4389 4851 5049 5153 5643 6237 6783 7497 8379 8721 9163 9639 10241 10659 10773 11781 13167 14553 15147 15459 15827 16929 20349 22491 24871 25137 26163 27489 30723 31977 35343 36071 39501 43659 46377 47481 56683 61047 67473 74613 75411 82467 87601 92169 95931 97907 106029 108213 118503 139131 142443 170049 174097 183141 223839 247401 252497 262803 276507 287793 293721 324639 396781 417393 427329 510147 522291 613207 671517 685349 742203 757491 788409 829521 881163 963611 973917 1076977 1190343 1281987 1530441 1566873 1664419 1839621 2014551 2056047 2272473 2365227 2643489 2777467 2890833 2921751 3230931 3571029 4292449 4591323 4700619 4797443 4993257 5518863 6168141 6745277 6817419 7095681 7538839 7930467 8332401 8672499 9692793 10713087 11650933 12877347 14101857 14392329 14979771 16556589 18308609 18504423 20235831 20452257 22616517 24997203 26017497 29078379 32139261 34952799 38632041 43176987 44939313 47216939 49669767 52771873 54925827 55513269 60707493 67849551 74991609 78052491 81556531 87235137 104858397 115896123 128160263 129530961 134817939 141650817 158315619 164777481 182122479 203548653 224974827 244669593 314575191 347688369 384480789 388592883 424952451 474946857 494332443 546367437 610645959 734008779 897121841 943725573 1153442367 1274857353 1424840571 1482997329 2202026337 2691365523 3460327101 3824572059 4274521713 6606079011 8074096569 10380981303 24222289707 72666869121
• Sum of all divisors σ(n): 153563636160
• Sum of proper divisors (its aliquot sum) s(n): 80896767039
• 72666869121 is an abundant number, because the sum of its proper divisors (80896767039) is greater than itself. Its abundance is 8229897918

Bases of 72666869121

• Binary: 1000011101011010010000110110110000001₂
• Hexadecimal: 0x10EB486D81
• Base-36: XDRZ729

Squares and roots of 72666869121

• 72666869121 squared (72666869121²) is 5280473867848543312641
• 72666869121 cubed (72666869121³) is 383715503451810746750183331858561
• The square root of 72666869121 is 269567.9304386929
• The cube root of 72666869121 is 4172.9721179955

Scales and comparisons

• 72,666,869,121 seconds is equal to 2,310 years, 30 weeks, 1 day, 17 hours, 25 minutes, 21 seconds.
• To count from 1 to 72,666,869,121 would take you about four thousand, six hundred twenty-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 72666869121 cubic inches would be around 347.7 feet tall.

Recreational maths with 72666869121

• 72666869121 backwards is 12196866627
• The number of decimal digits it has is: 11
• The sum of 72666869121's digits is 54
• More coming soon!