31268891040

Names of 31268891040

• Cardinal: 31268891040 can be written as Thirty-one billion, two hundred sixty-eight million, eight hundred ninety-one thousand and forty.

Scientific notation

• Scientific notation: 3.126889104 × 10¹⁰

Factors of 31268891040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 5602

Divisors of 31268891040

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 109 120 160 218 240 327 436 480 545 654 872 1090 1308 1635 1744 2180 2616 3270 3488 4360 5232 5483 6540 8720 10464 10966 11881 13080 16449 17440 21932 23762 26160 27415 32898 35643 43864 47524 52320 54830 59405 65796 71286 82245 87728 95048 109660 118810 131592 142572 164490 175456 178215 190096 219320 237620 263184 285144 328980 356430 380192 438640 475240 526368 570288 597647 657960 712860 877280 950480 1140576 1195294 1315920 1425720 1792941 1900960 2390588 2631840 2851440 2988235 3585882 4781176 5702880 5976470 7171764 8964705 9562352 11952940 14343528 17929410 19124704 23905880 28687056 35858820 47811760 57374112 65143523 71717640 95623520 130287046 143435280 195430569 260574092 286870560 325717615 390861138 521148184 651435230 781722276 977152845 1042296368 1302870460 1563444552 1954305690 2084592736 2605740920 3126889104 3908611380 5211481840 6253778208 7817222760 10422963680 15634445520 31268891040
• Sum of all divisors σ(n): 99427069728
• Sum of proper divisors (its aliquot sum) s(n): 68158178688
• 31268891040 is an abundant number, because the sum of its proper divisors (68158178688) is greater than itself. Its abundance is 36889287648

Bases of 31268891040

• Binary: 11101000111110001010110100110100000₂
• Hexadecimal: 0x747C569A0
• Base-36: ED4OUQO

Squares and roots of 31268891040

• 31268891040 squared (31268891040²) is 977743546871392281600
• 31268891040 cubed (31268891040³) is 30572956432184698146447396864000
• The square root of 31268891040 is 176830.1191539495
• The cube root of 31268891040 is 3150.4371960573

Scales and comparisons

• 31,268,891,040 seconds is equal to 994 years, 13 weeks, 1 day, 11 hours, 4 minutes.
• To count from 1 to 31,268,891,040 would take you about one thousand, nine hundred eighty-eight 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 31268891040 cubic inches would be around 262.5 feet tall.

Recreational maths with 31268891040

• 31268891040 backwards is 04019886213
• The number of decimal digits it has is: 11
• The sum of 31268891040's digits is 42
• More coming soon!