31638439668

Names of 31638439668

• Cardinal: 31638439668 can be written as Thirty-one billion, six hundred thirty-eight million, four hundred thirty-nine thousand, six hundred sixty-eight.

Scientific notation

• Scientific notation: 3.1638439668 × 10¹⁰

Factors of 31638439668

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 241

Divisors of 31638439668

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 11 12 22 31 33 37 44 62 66 74 93 111 121 124 132 148 157 186 222 242 314 341 363 372 407 444 471 484 628 682 726 814 942 1023 1147 1221 1331 1364 1452 1628 1727 1884 2046 2294 2442 2662 3441 3454 3751 3993 4092 4477 4588 4867 4884 5181 5324 5809 6882 6908 7502 7986 8954 9734 10362 11253 11618 12617 13431 13764 14601 14641 15004 15972 17427 17908 18997 19468 20724 22506 23236 25234 26862 29202 29282 34854 37851 37994 41261 43923 45012 49247 50468 53537 53724 56991 58404 58564 63899 69708 75702 75988 82522 87846 98494 107074 113982 123783 127798 138787 147741 151404 160611 165044 175692 180079 191697 196988 208967 214148 227964 247566 255596 277574 295482 321222 360158 383394 416361 417934 453871 495132 540237 541717 555148 588907 590964 626901 642444 702889 720316 766788 832722 835868 907742 1080474 1083434 1177814 1253802 1361613 1405778 1526657 1625151 1665444 1766721 1815484 1980869 2108667 2160948 2166868 2298637 2355628 2507604 2723226 2811556 3053314 3250302 3533442 3961738 4217334 4579971 4597274 5446452 5942607 6106628 6477977 6500604 6895911 7066884 7731779 7923476 8434668 9159942 9194548 11885214 12955954 13791822 15463558 16793227 18319884 19433931 21789559 23195337 23770428 25911908 27583644 30927116 33586454 38867862 43579118 46390674 50379681 65368677 67172908 71257747 77735724 85049569 87158236 92781348 100759362 130737354 142515494 170099138 201518724 213773241 239685149 255148707 261474708 285030988 340198276 427546482 479370298 510297414 719055447 855092964 958740596 1020594828 1438110894 2636536639 2876221788 5273073278 7909609917 10546146556 15819219834 31638439668
• Sum of all divisors σ(n): 86638200320
• Sum of proper divisors (its aliquot sum) s(n): 54999760652
• 31638439668 is an abundant number, because the sum of its proper divisors (54999760652) is greater than itself. Its abundance is 23361320984

Bases of 31638439668

• Binary: 11101011101110011000100011011110100₂
• Hexadecimal: 0x75DCC46F4
• Base-36: EJ8PKAC

Squares and roots of 31638439668

• 31638439668 squared (31638439668²) is 1000990864625675950224
• 31638439668 cubed (31638439668³) is 31669789078678603954880595085632
• The square root of 31638439668 is 177871.9754992337
• The cube root of 31638439668 is 3162.7996762017

Scales and comparisons

• 31,638,439,668 seconds is equal to 1,006 years, 1 day, 15 hours, 27 minutes, 48 seconds.
• To count from 1 to 31,638,439,668 would take you about two thousand and twelve 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 31638439668 cubic inches would be around 263.6 feet tall.

Recreational maths with 31638439668

• 31638439668 backwards is 86693483613
• The number of decimal digits it has is: 11
• The sum of 31638439668's digits is 57
• More coming soon!