31513947140

Names of 31513947140

• Cardinal: 31513947140 can be written as Thirty-one billion, five hundred thirteen million, nine hundred forty-seven thousand, one hundred forty.

Scientific notation

• Scientific notation: 3.151394714 × 10¹⁰

Factors of 31513947140

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 118

Divisors of 31513947140

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 10 13 20 26 31 52 62 65 67 124 130 134 155 169 260 268 310 335 338 403 620 670 676 806 845 871 1340 1612 1690 1742 2015 2077 3380 3484 4030 4154 4355 4489 5239 8060 8308 8710 8978 10385 10478 11323 17420 17956 20770 20956 22445 22646 26195 27001 41540 44890 45292 52390 54002 56615 58357 89780 104780 108004 113230 116714 135005 139159 226460 233428 270010 278318 291785 300763 351013 540020 556636 583570 601526 695795 702026 758641 1167140 1203052 1391590 1404052 1503815 1517282 1755065 1809067 2783180 3007630 3034564 3510130 3618134 3793205 3909919 6015260 7020260 7236268 7586410 7819838 9045335 9323653 15172820 15639676 18090670 18647306 19549595 23517871 36181340 37294612 39099190 46618265 47035742 50828947 78198380 93236530 94071484 101657894 117589355 121207489 186473060 203315788 235178710 242414978 254144735 470357420 484829956 508289470 606037445 1016578940 1212074890 1575697357 2424149780 3151394714 6302789428 7878486785 15756973570 31513947140
• Sum of all divisors σ(n): 75094064640
• Sum of proper divisors (its aliquot sum) s(n): 43580117500
• 31513947140 is an abundant number, because the sum of its proper divisors (43580117500) is greater than itself. Its abundance is 12066170360

Bases of 31513947140

• Binary: 11101010110011000001010110000000100₂
• Hexadecimal: 0x75660AC04
• Base-36: EH6L98K

Squares and roots of 31513947140

• 31513947140 squared (31513947140²) is 993128864342714179600
• 31513947140 cubed (31513947140³) is 31297410534104525500042866344000
• The square root of 31513947140 is 177521.6807604075
• The cube root of 31513947140 is 3158.6458419655

Scales and comparisons

• 31,513,947,140 seconds is equal to 1,002 years, 2 weeks, 2 days, 18 hours, 12 minutes, 20 seconds.
• To count from 1 to 31,513,947,140 would take you about two thousand and four 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 31513947140 cubic inches would be around 263.2 feet tall.

Recreational maths with 31513947140

• 31513947140 backwards is 04174931513
• The number of decimal digits it has is: 11
• The sum of 31513947140's digits is 38
• More coming soon!