813138300

Names of 813138300

• Cardinal: 813138300 can be written as Eight hundred thirteen million, one hundred thirty-eight thousand, three hundred.

Scientific notation

• Scientific notation: 8.131383 × 10⁸

Factors of 813138300

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 69522

Divisors of 813138300

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 25 26 30 36 39 45 50 52 60 65 75 78 90 100 117 130 150 156 180 195 225 234 260 300 325 390 450 468 585 650 780 900 975 1170 1300 1950 2340 2925 3900 5850 11700 69499 138998 208497 277996 347495 416994 625491 694990 833988 903487 1042485 1250982 1389980 1737475 1806974 2084970 2501964 2710461 3127455 3474950 3613948 4169940 4517435 5212425 5420922 6254910 6949900 8131383 9034870 10424850 10841844 12509820 13552305 15637275 16262766 18069740 20849700 22587175 27104610 31274550 32525532 40656915 45174350 54209220 62549100 67761525 81313830 90348700 135523050 162627660 203284575 271046100 406569150 813138300
• Sum of all divisors σ(n): 2744833000
• Sum of proper divisors (its aliquot sum) s(n): 1931694700
• 813138300 is an abundant number, because the sum of its proper divisors (1931694700) is greater than itself. Its abundance is 1118556400

Bases of 813138300

• Binary: 110000011101111000000101111100₂
• Hexadecimal: 0x3077817C
• Base-36: DG4DJ0

Squares and roots of 813138300

• 813138300 squared (813138300²) is 661193894926890000
• 813138300 cubed (813138300³) is 537642079691229958887000000
• The square root of 813138300 is 28515.5799520193
• The cube root of 813138300 is 933.3720803075

Scales and comparisons

• 813,138,300 seconds is equal to 25 years, 44 weeks, 3 days, 7 hours, 45 minutes.
• To count from 1 to 813,138,300 would take you about thirty-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 813138300 cubic inches would be around 77.8 feet tall.

Recreational maths with 813138300

• 813138300 backwards is 003831318
• The number of decimal digits it has is: 9
• The sum of 813138300's digits is 27
• More coming soon!