1397811200

Names of 1397811200

• Cardinal: 1397811200 can be written as One billion, three hundred ninety-seven million, eight hundred eleven thousand, two hundred.

Scientific notation

• Scientific notation: 1.3978112 × 10⁹

Factors of 1397811200

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1217

Divisors of 1397811200

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 16 20 23 25 32 40 46 50 64 80 92 100 115 128 160 184 200 230 256 320 368 400 460 512 575 640 736 800 920 1024 1150 1187 1280 1472 1600 1840 2048 2300 2374 2560 2944 3200 3680 4600 4748 5120 5888 5935 6400 7360 9200 9496 10240 11776 11870 12800 14720 18400 18992 23552 23740 25600 27301 29440 29675 36800 37984 47104 47480 51200 54602 58880 59350 73600 75968 94960 109204 117760 118700 136505 147200 151936 189920 218408 235520 237400 273010 294400 303872 379840 436816 474800 546020 588800 607744 682525 759680 873632 949600 1092040 1177600 1215488 1365050 1519360 1747264 1899200 2184080 2430976 2730100 3038720 3494528 3798400 4368160 5460200 6077440 6989056 7596800 8736320 10920400 12154880 13978112 15193600 17472640 21840800 27956224 30387200 34945280 43681600 55912448 60774400 69890560 87363200 139781120 174726400 279562240 349452800 698905600 1397811200
• Sum of all divisors σ(n): 3619455840
• Sum of proper divisors (its aliquot sum) s(n): 2221644640
• 1397811200 is an abundant number, because the sum of its proper divisors (2221644640) is greater than itself. Its abundance is 823833440

Bases of 1397811200

• Binary: 1010011010100001110100000000000₂
• Hexadecimal: 0x5350E800
• Base-36: N47Y0W

Squares and roots of 1397811200

• 1397811200 squared (1397811200²) is 1953876150845440000
• 1397811200 cubed (1397811200³) is 2731149967064645500928000000
• The square root of 1397811200 is 37387.3133562711
• The cube root of 1397811200 is 1118.1056412411

Scales and comparisons

• 1,397,811,200 seconds is equal to 44 years, 23 weeks, 1 day, 8 hours, 53 minutes, 20 seconds.
• To count from 1 to 1,397,811,200 would take you about 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 1397811200 cubic inches would be around 93.2 feet tall.

Recreational maths with 1397811200

• 1397811200 backwards is 0021187931
• 1397811200 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1397811200's digits is 32
• More coming soon!