31490480

Names of 31490480

• Cardinal: 31490480 can be written as Thirty-one million, four hundred ninety thousand, four hundred eighty.

Scientific notation

• Scientific notation: 3.149048 × 10⁷

Factors of 31490480

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1128

Divisors of 31490480

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 35 40 53 56 70 80 106 112 140 212 265 280 371 424 530 560 742 848 1060 1061 1484 1855 2120 2122 2968 3710 4240 4244 5305 5936 7420 7427 8488 10610 14840 14854 16976 21220 29680 29708 37135 42440 56233 59416 74270 84880 112466 118832 148540 224932 281165 297080 393631 449864 562330 594160 787262 899728 1124660 1574524 1968155 2249320 3149048 3936310 4498640 6298096 7872620 15745240 31490480
• Sum of all divisors σ(n): 85333824
• Sum of proper divisors (its aliquot sum) s(n): 53843344
• 31490480 is an abundant number, because the sum of its proper divisors (53843344) is greater than itself. Its abundance is 22352864

Bases of 31490480

• Binary: 1111000001000000110110000₂
• Hexadecimal: 0x1E081B0
• Base-36: IQY7K

Squares and roots of 31490480

• 31490480 squared (31490480²) is 991650330630400
• 31490480 cubed (31490480³) is 31227544903709998592000
• The square root of 31490480 is 5611.6379070643
• The cube root of 31490480 is 315.7861609399

Scales and comparisons

• 31,490,480 seconds is equal to 1 year, 11 hours, 21 minutes, 20 seconds.
• To count from 1 to 31,490,480 would take you about twenty-six weeks!

  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 31490480 cubic inches would be around 26.3 feet tall.

Recreational maths with 31490480

• 31490480 backwards is 08409413
• The number of decimal digits it has is: 8
• The sum of 31490480's digits is 29
• More coming soon!