31238513130

Names of 31238513130

• Cardinal: 31238513130 can be written as Thirty-one billion, two hundred thirty-eight million, five hundred thirteen thousand, one hundred thirty.

Scientific notation

• Scientific notation: 3.123851313 × 10¹⁰

Factors of 31238513130

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 713

Divisors of 31238513130

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 10 11 15 19 22 30 33 38 55 57 66 95 110 114 121 165 190 209 242 285 330 363 418 570 605 627 673 726 1045 1210 1254 1346 1815 2019 2090 2299 3135 3365 3630 4038 4598 6270 6730 6897 7403 10095 11495 12787 13794 14806 20190 22209 22990 25574 34485 37015 38361 44418 63935 68970 74030 76722 81433 111045 127870 140657 162866 191805 222090 244299 281314 383610 407165 421971 452929 488598 703285 814330 843942 905858 1221495 1358787 1406570 1547227 2109855 2264645 2442990 2717574 3094454 4219710 4529290 4641681 4982219 6793935 7736135 8605651 9283362 9964438 13587870 14946657 15472270 17211302 23208405 24911095 25816953 29893314 43028255 46416810 49822190 51633906 54804409 74733285 86056510 94662161 109608818 129084765 149466570 164413227 189324322 258169530 274022045 283986483 328826454 473310805 548044090 567972966 822066135 946621610 1041283771 1419932415 1644132270 2082567542 2839864830 3123851313 5206418855 6247702626 10412837710 15619256565 31238513130
• Sum of all divisors σ(n): 86874046560
• Sum of proper divisors (its aliquot sum) s(n): 55635533430
• 31238513130 is an abundant number, because the sum of its proper divisors (55635533430) is greater than itself. Its abundance is 24397020300

Bases of 31238513130

• Binary: 11101000101111101011110000111101010₂
• Hexadecimal: 0x745F5E1EA
• Base-36: ECMLQZU

Squares and roots of 31238513130

• 31238513130 squared (31238513130²) is 975844702573182396900
• 31238513130 cubed (31238513130³) is 30483937554173303091445521297000
• The square root of 31238513130 is 176744.2025357551
• The cube root of 31238513130 is 3149.4166427919

Scales and comparisons

• 31,238,513,130 seconds is equal to 993 years, 14 weeks, 6 days, 20 hours, 45 minutes, 30 seconds.
• To count from 1 to 31,238,513,130 would take you about one thousand, nine hundred eighty-six 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 31238513130 cubic inches would be around 262.5 feet tall.

Recreational maths with 31238513130

• 31238513130 backwards is 03131583213
• 31238513130 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31238513130's digits is 30
• More coming soon!