31479987136

Names of 31479987136

• Cardinal: 31479987136 can be written as Thirty-one billion, four hundred seventy-nine million, nine hundred eighty-seven thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 3.1479987136 × 10¹⁰

Factors of 31479987136

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 393

Divisors of 31479987136

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 8 13 16 26 31 32 52 59 62 64 104 118 124 137 151 208 236 248 274 302 403 416 472 496 548 604 767 806 832 944 992 1096 1208 1534 1612 1781 1829 1888 1963 1984 2192 2416 3068 3224 3562 3658 3776 3926 4247 4384 4681 4832 6136 6448 7124 7316 7852 8083 8494 8768 8909 9362 9664 12272 12896 14248 14632 15704 16166 16988 17818 18724 20687 23777 24544 25792 28496 29264 31408 32332 33976 35636 37448 41374 47554 49088 55211 56992 58528 60853 62816 64664 67952 71272 74896 82748 95108 105079 110422 113984 115817 117056 121706 125632 129328 135904 142544 149792 165496 190216 210158 220844 231634 243412 250573 258656 268931 271808 276179 285088 299584 330992 380432 420316 441688 463268 486824 501146 517312 537862 552358 570176 641297 661984 760864 840632 883376 926536 973648 1002292 1075724 1104716 1220533 1282594 1323968 1521728 1681264 1766752 1853072 1947296 2004584 2151448 2209432 2441066 2565188 3257449 3362528 3533504 3590327 3706144 3894592 4009168 4302896 4418864 4882132 5130376 6514898 6725056 7180654 7412288 8018336 8336861 8605792 8837728 9764264 10260752 13029796 14361308 15866929 16036672 16673722 17211584 17675456 19528528 20521504 26059592 28722616 31733858 33347444 37836523 39057056 41043008 52119184 57445232 63467716 66694888 75673046 78114112 104238368 114890464 126935432 133389776 151346092 208476736 229780928 253870864 266779552 302692184 491874799 507741728 533559104 605384368 983749598 1015483456 1210768736 1967499196 2421537472 3934998392 7869996784 15739993568 31479987136
• Sum of all divisors σ(n): 71607029760
• Sum of proper divisors (its aliquot sum) s(n): 40127042624
• 31479987136 is an abundant number, because the sum of its proper divisors (40127042624) is greater than itself. Its abundance is 8647055488

Bases of 31479987136

• Binary: 11101010100010110100111101111000000₂
• Hexadecimal: 0x7545A7BC0
• Base-36: EGMDDJ4

Squares and roots of 31479987136

• 31479987136 squared (31479987136²) is 990989590082725482496
• 31479987136 cubed (31479987136³) is 31196339547714111364793473171456
• The square root of 31479987136 is 177426.0046780065
• The cube root of 31479987136 is 3157.5108293817

Scales and comparisons

• 31,479,987,136 seconds is equal to 1,000 years, 50 weeks, 1 day, 16 hours, 52 minutes, 16 seconds.
• To count from 1 to 31,479,987,136 would take you about two thousand and 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 31479987136 cubic inches would be around 263.1 feet tall.

Recreational maths with 31479987136

• 31479987136 backwards is 63178997413
• The number of decimal digits it has is: 11
• The sum of 31479987136's digits is 58
• More coming soon!