31494722640

Names of 31494722640

• Cardinal: 31494722640 can be written as Thirty-one billion, four hundred ninety-four million, seven hundred twenty-two thousand, six hundred forty.

Scientific notation

• Scientific notation: 3.149472264 × 10¹⁰

Factors of 31494722640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 8671

Divisors of 31494722640

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 37 40 48 60 74 80 111 120 148 185 222 240 296 370 433 444 555 592 740 866 888 1110 1299 1480 1732 1776 2165 2220 2598 2960 3464 4330 4440 5196 6495 6928 8191 8660 8880 10392 12990 16021 16382 17320 20784 24573 25980 32042 32764 34640 40955 48063 49146 51960 64084 65528 80105 81910 96126 98292 103920 122865 128168 131056 160210 163820 192252 196584 240315 245730 256336 303067 320420 327640 384504 393168 480630 491460 606134 640840 655280 769008 909201 961260 982920 1212268 1281680 1515335 1818402 1922520 1965840 2424536 3030670 3546703 3636804 3845040 4546005 4849072 6061340 7093406 7273608 9092010 10640109 12122680 14186812 14547216 17733515 18184020 21280218 24245360 28373624 35467030 36368040 42560436 53200545 56747248 70934060 72736080 85120872 106401090 131228011 141868120 170241744 212802180 262456022 283736240 393684033 425604360 524912044 656140055 787368066 851208720 1049824088 1312280110 1574736132 1968420165 2099648176 2624560220 3149472264 3936840330 5249120440 6298944528 7873680660 10498240880 15747361320 31494722640
• Sum of all divisors σ(n): 100516233216
• Sum of proper divisors (its aliquot sum) s(n): 69021510576
• 31494722640 is an abundant number, because the sum of its proper divisors (69021510576) is greater than itself. Its abundance is 37526787936

Bases of 31494722640

• Binary: 11101010101001110110101010001010000₂
• Hexadecimal: 0x7553B5450
• Base-36: EGV57IO

Squares and roots of 31494722640

• 31494722640 squared (31494722640²) is 991917554170528569600
• 31494722640 cubed (31494722640³) is 31240168250347972561747935744000
• The square root of 31494722640 is 177467.5255927123
• The cube root of 31494722640 is 3158.0034201763

Scales and comparisons

• 31,494,722,640 seconds is equal to 1,001 years, 22 weeks, 4 days, 6 hours, 4 minutes.
• To count from 1 to 31,494,722,640 would take you about two thousand and 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 31494722640 cubic inches would be around 263.2 feet tall.

Recreational maths with 31494722640

• 31494722640 backwards is 04622749413
• The number of decimal digits it has is: 11
• The sum of 31494722640's digits is 42
• More coming soon!