31993021440

Names of 31993021440

• Cardinal: 31993021440 can be written as Thirty-one billion, nine hundred ninety-three million, twenty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 3.199302144 × 10¹⁰

Factors of 31993021440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 231441

Divisors of 31993021440

• Number of divisors d(n): 176
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 160 180 192 216 240 256 270 288 320 360 384 432 480 512 540 576 640 720 768 864 960 1024 1080 1152 1280 1440 1536 1728 1920 2160 2304 2560 2880 3072 3456 3840 4320 4608 5120 5760 6912 7680 8640 9216 11520 13824 15360 17280 23040 27648 34560 46080 69120 138240 231431 462862 694293 925724 1157155 1388586 1851448 2082879 2314310 2777172 3471465 3702896 4165758 4628620 5554344 6248637 6942930 7405792 8331516 9257240 10414395 11108688 12497274 13885860 14811584 16663032 18514480 20828790 22217376 24994548 27771720 29623168 31243185 33326064 37028960 41657580 44434752 49989096 55543440 59246336 62486370 66652128 74057920 83315160 88869504 99978192 111086880 118492672 124972740 133304256 148115840 166630320 177739008 199956384 222173760 236985344 249945480 266608512 296231680 333260640 355478016 399912768 444347520 499890960 533217024 592463360 666521280 710956032 799825536 888695040 999781920 1066434048 1184926720 1333042560 1599651072 1777390080 1999563840 2132868096 2666085120 3199302144 3554780160 3999127680 5332170240 6398604288 7998255360 10664340480 15996510720 31993021440
• Sum of all divisors σ(n): 113697912960
• Sum of proper divisors (its aliquot sum) s(n): 81704891520
• 31993021440 is an abundant number, because the sum of its proper divisors (81704891520) is greater than itself. Its abundance is 49711870080

Bases of 31993021440

• Binary: 11101110010111011101100010000000000₂
• Hexadecimal: 0x772EEC400
• Base-36: EP3THC0

Squares and roots of 31993021440

• 31993021440 squared (31993021440²) is 1023553420860299673600
• 31993021440 cubed (31993021440³) is 32746566538568910702309801984000
• The square root of 31993021440 is 178865.9314682369
• The cube root of 31993021440 is 3174.5713002101

Scales and comparisons

• 31,993,021,440 seconds is equal to 1,017 years, 14 weeks, 3 days, 14 hours, 24 minutes.
• To count from 1 to 31,993,021,440 would take you about two thousand and thirty-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 31993021440 cubic inches would be around 264.5 feet tall.

Recreational maths with 31993021440

• 31993021440 backwards is 04412039913
• 31993021440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31993021440's digits is 36
• More coming soon!