129637294128

Names of 129637294128

• Cardinal: 129637294128 can be written as One hundred twenty-nine billion, six hundred thirty-seven million, two hundred ninety-four thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.29637294128 × 10¹¹

Factors of 129637294128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1041

Divisors of 129637294128

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 34 36 48 51 54 68 72 102 108 136 144 153 204 216 272 289 306 408 432 459 578 612 816 867 918 1019 1156 1224 1734 1836 2038 2312 2448 2601 3057 3468 3672 4076 4624 5202 6114 6936 7344 7803 8152 9171 10404 12228 13872 15606 16304 17323 18342 20808 24456 27513 31212 34646 36684 41616 48912 51969 55026 62424 69292 73368 103938 110052 124848 138584 146736 155907 207876 220104 277168 294491 311814 415752 440208 467721 588982 623628 831504 883473 935442 1038361 1177964 1247256 1766946 1870884 2076722 2355928 2494512 2650419 3115083 3533892 3741768 4153444 4711856 5300838 6230166 7067784 7483536 7951257 8306888 9345249 10601676 12460332 14135568 15902514 16613776 17652137 18690498 21203352 24920664 28035747 31805028 35304274 37380996 42406704 49841328 52956411 56071494 63610056 70608548 74761992 105912822 112142988 127220112 141217096 149523984 158869233 211825644 224285976 282434192 300086329 317738466 423651288 448571952 476607699 600172658 635476932 847302576 900258987 953215398 1200345316 1270953864 1800517974 1906430796 2400690632 2541907728 2700776961 3601035948 3812861592 4801381264 5401553922 7202071896 7625723184 8102330883 10803107844 14404143792 16204661766 21606215688 32409323532 43212431376 64818647064 129637294128
• Sum of all divisors σ(n): 395671559080
• Sum of proper divisors (its aliquot sum) s(n): 266034264952
• 129637294128 is an abundant number, because the sum of its proper divisors (266034264952) is greater than itself. Its abundance is 136396970824

Bases of 129637294128

• Binary: 1111000101110111111000010000000110000₂
• Hexadecimal: 0x1E2EFC2030
• Base-36: 1NJYP4C0

Squares and roots of 129637294128

• 129637294128 squared (129637294128²) is 16805828028829583280384
• 129637294128 cubed (129637294128³) is 2178662071237967151306811700785152
• The square root of 129637294128 is 360051.7936741879
• The cube root of 129637294128 is 5061.0813632465

Scales and comparisons

• 129,637,294,128 seconds is equal to 4,122 years, 3 weeks, 2 days, 15 hours, 28 minutes, 48 seconds.
• To count from 1 to 129,637,294,128 would take you about eight thousand, two hundred forty-four 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 129637294128 cubic inches would be around 421.8 feet tall.

Recreational maths with 129637294128

• 129637294128 backwards is 821492736921
• 129637294128 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129637294128's digits is 54
• More coming soon!