31490171388

Names of 31490171388

• Cardinal: 31490171388 can be written as Thirty-one billion, four hundred ninety million, one hundred seventy-one thousand, three hundred eighty-eight.

Scientific notation

• Scientific notation: 3.1490171388 × 10¹⁰

Factors of 31490171388

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 17118

Divisors of 31490171388

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 81 108 117 156 162 234 324 351 449 468 702 898 1053 1347 1404 1796 2106 2694 4041 4212 5388 5837 8082 11674 12123 16164 16651 17511 23348 24246 33302 35022 36369 48492 49953 52533 66604 70044 72738 99906 105066 145476 149859 157599 199812 210132 216463 299718 315198 432926 449577 472797 599436 630396 649389 865852 899154 945594 1298778 1348731 1798308 1891188 1948167 2597556 2697462 3896334 5394924 5844501 7476299 7792668 11689002 14952598 17533503 22428897 23378004 29905196 35067006 44857794 67286691 70134012 89715588 97191887 134573382 194383774 201860073 269146764 291575661 388767548 403720146 583151322 605580219 807440292 874726983 1166302644 1211160438 1749453966 2422320876 2624180949 3498907932 5248361898 7872542847 10496723796 15745085694 31490171388
• Sum of all divisors σ(n): 88856737200
• Sum of proper divisors (its aliquot sum) s(n): 57366565812
• 31490171388 is an abundant number, because the sum of its proper divisors (57366565812) is greater than itself. Its abundance is 25876394424

Bases of 31490171388

• Binary: 11101010100111101011110000111111100₂
• Hexadecimal: 0x754F5E1FC
• Base-36: EGSFNR0

Squares and roots of 31490171388

• 31490171388 squared (31490171388²) is 991630894045613846544
• 31490171388 cubed (31490171388³) is 31226626807132048717336491483072
• The square root of 31490171388 is 177454.7023552771
• The cube root of 31490171388 is 3157.8512935071

Scales and comparisons

• 31,490,171,388 seconds is equal to 1,001 years, 15 weeks, 13 hours, 49 minutes, 48 seconds.
• To count from 1 to 31,490,171,388 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 31490171388 cubic inches would be around 263.2 feet tall.

Recreational maths with 31490171388

• 31490171388 backwards is 88317109413
• The number of decimal digits it has is: 11
• The sum of 31490171388's digits is 45
• More coming soon!