31745572920

Names of 31745572920

• Cardinal: 31745572920 can be written as Thirty-one billion, seven hundred forty-five million, five hundred seventy-two thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 3.174557292 × 10¹⁰

Factors of 31745572920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 27996

Divisors of 31745572920

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 90 108 120 135 180 216 270 360 540 1080 1093 2186 3279 4372 5465 6558 8744 9837 10930 13116 16395 19674 21860 26232 26893 29511 32790 39348 43720 49185 53786 59022 65580 78696 80679 98370 107572 118044 131160 134465 147555 161358 196740 215144 236088 242037 268930 295110 322716 393480 403395 484074 537860 590220 645432 726111 806790 968148 1075720 1180440 1210185 1452222 1613580 1936296 2420370 2904444 3227160 3630555 4840740 5808888 7261110 9681480 14522220 29044440 29394049 58788098 88182147 117576196 146970245 176364294 235152392 264546441 293940490 352728588 440910735 529092882 587880980 705457176 793639323 881821470 1058185764 1175761960 1322732205 1587278646 1763642940 2116371528 2645464410 3174557292 3527285880 3968196615 5290928820 6349114584 7936393230 10581857640 15872786460 31745572920
• Sum of all divisors σ(n): 105919329600
• Sum of proper divisors (its aliquot sum) s(n): 74173756680
• 31745572920 is an abundant number, because the sum of its proper divisors (74173756680) is greater than itself. Its abundance is 42428183760

Bases of 31745572920

• Binary: 11101100100001011110000000000111000₂
• Hexadecimal: 0x7642F0038
• Base-36: EL0HSU0

Squares and roots of 31745572920

• 31745572920 squared (31745572920²) is 1007781400019037326400
• 31745572920 cubed (31745572920³) is 31992597921724038833433041088000
• The square root of 31745572920 is 178172.8736929391
• The cube root of 31745572920 is 3166.3655839813

Scales and comparisons

• 31,745,572,920 seconds is equal to 1,009 years, 21 weeks, 2 days, 14 hours, 42 minutes.
• To count from 1 to 31,745,572,920 would take you about two thousand and eighteen 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 31745572920 cubic inches would be around 263.9 feet tall.

Recreational maths with 31745572920

• 31745572920 backwards is 02927554713
• 31745572920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31745572920's digits is 45
• More coming soon!