31890133520

Names of 31890133520

• Cardinal: 31890133520 can be written as Thirty-one billion, eight hundred ninety million, one hundred thirty-three thousand, five hundred twenty.

Scientific notation

• Scientific notation: 3.189013352 × 10¹⁰

Factors of 31890133520

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 157780

Divisors of 31890133520

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 19 20 28 35 38 40 56 70 76 80 95 112 133 140 152 190 266 280 304 361 380 532 560 665 722 760 1064 1330 1444 1520 1805 2128 2527 2660 2888 3610 5054 5320 5776 7220 10108 10640 12635 14440 20216 25270 28880 40432 50540 101080 157747 202160 315494 630988 788735 1104229 1261976 1577470 2208458 2523952 2997193 3154940 4416916 5521145 5994386 6309880 8833832 11042290 11988772 12619760 14985965 17667664 20980351 22084580 23977544 29971930 41960702 44169160 47955088 56946667 59943860 83921404 88338320 104901755 113893334 119887720 167842808 209803510 227786668 239775440 284733335 335685616 398626669 419607020 455573336 569466670 797253338 839214040 911146672 1138933340 1594506676 1678428080 1993133345 2277866680 3189013352 3986266690 4555733360 6378026704 7972533380 15945066760 31890133520
• Sum of all divisors σ(n): 89431758144
• Sum of proper divisors (its aliquot sum) s(n): 57541624624
• 31890133520 is an abundant number, because the sum of its proper divisors (57541624624) is greater than itself. Its abundance is 25651491104

Bases of 31890133520

• Binary: 11101101100110011001101001000010000₂
• Hexadecimal: 0x76CCCD210
• Base-36: ENEK8I8

Squares and roots of 31890133520

• 31890133520 squared (31890133520²) is 1016980615923427590400
• 31890133520 cubed (31890133520³) is 32431647629049943953907870208000
• The square root of 31890133520 is 178578.0880175393
• The cube root of 31890133520 is 3171.1645593373

Scales and comparisons

• 31,890,133,520 seconds is equal to 1,014 years, 2 days, 18 hours, 25 minutes, 20 seconds.
• To count from 1 to 31,890,133,520 would take you about two thousand and twenty-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 31890133520 cubic inches would be around 264.3 feet tall.

Recreational maths with 31890133520

• 31890133520 backwards is 02533109813
• 31890133520 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31890133520's digits is 35
• More coming soon!