129613145490

Names of 129613145490

• Cardinal: 129613145490 can be written as One hundred twenty-nine billion, six hundred thirteen million, one hundred forty-five thousand, four hundred ninety.

Scientific notation

• Scientific notation: 1.2961314549 × 10¹¹

Factors of 129613145490

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 39

Divisors of 129613145490

• Number of divisors d(n): 208
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 29 30 45 54 58 81 87 90 135 145 162 174 243 261 270 290 405 435 486 522 729 783 810 841 870 1215 1305 1458 1566 1682 2187 2349 2430 2523 2610 3645 3915 4205 4374 4698 5046 6561 7047 7290 7569 7830 8410 10935 11745 12615 13122 14094 15138 19683 21141 21870 22707 23490 24389 25230 32805 35235 37845 39366 42282 45414 48778 59049 63423 65610 68121 70470 73167 75690 98415 105705 113535 118098 121945 126846 136242 146334 177147 190269 196830 204363 211410 219501 227070 243890 295245 317115 340605 354294 365835 380538 408726 439002 531441 570807 590490 613089 634230 658503 681210 731670 885735 951345 1021815 1062882 1097505 1141614 1226178 1317006 1712421 1771470 1839267 1902690 1975509 2043630 2195010 2657205 2854035 3065445 3292515 3424842 3678534 3951018 5137263 5314410 5517801 5708070 5926527 6130890 6585030 8562105 9196335 9877545 10274526 11035602 11853054 15411789 16553403 17124210 17779581 18392670 19755090 25686315 27589005 29632635 30823578 33106806 35559162 49660209 51372630 53338743 55178010 59265270 77058945 82767015 88897905 99320418 106677486 148980627 154117890 160016229 165534030 177795810 248301045 266693715 297961254 320032458 446941881 480048687 496602090 533387430 744903135 800081145 893883762 960097374 1440146061 1489806270 1600162290 2234709405 2400243435 2880292122 4320438183 4469418810 4800486870 7200730305 8640876366 12961314549 14401460610 21602190915 25922629098 43204381830 64806572745 129613145490
• Sum of all divisors σ(n): 362453163480
• Sum of proper divisors (its aliquot sum) s(n): 232840017990
• 129613145490 is an abundant number, because the sum of its proper divisors (232840017990) is greater than itself. Its abundance is 103226872500

Bases of 129613145490

• Binary: 1111000101101100010111010010110010010₂
• Hexadecimal: 0x1E2D8BA592
• Base-36: 1NJKBJ4I

Squares and roots of 129613145490

• 129613145490 squared (129613145490²) is 16799567483811907340100
• 129613145490 cubed (129613145490³) is 2177444784448385965866780211149000
• The square root of 129613145490 is 360018.2571620501
• The cube root of 129613145490 is 5060.7670868849

Scales and comparisons

• 129,613,145,490 seconds is equal to 4,121 years, 15 weeks, 3 days, 3 hours, 31 minutes, 30 seconds.
• To count from 1 to 129,613,145,490 would take you about eight thousand, two hundred forty-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 129613145490 cubic inches would be around 421.7 feet tall.

Recreational maths with 129613145490

• 129613145490 backwards is 094541316921
• 129613145490 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129613145490's digits is 45
• More coming soon!