813308429087

Names of 813308429087

• Cardinal: 813308429087 can be written as Eight hundred thirteen billion, three hundred eight million, four hundred twenty-nine thousand and eighty-seven.

Scientific notation

• Scientific notation: 8.13308429087 × 10¹¹

Factors of 813308429087

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 853

Divisors of 813308429087

• Number of divisors d(n): 128
• Complete list of divisors:
  1 7 11 31 61 71 77 151 217 341 427 497 521 671 781 1057 1661 1891 2201 2387 3647 4331 4681 4697 5467 5731 9211 10721 11627 13237 15407 16151 20801 24211 30317 31781 32767 36991 40117 47641 51491 64477 75047 78671 101321 113057 117931 134261 145607 169477 177661 222467 258937 285541 332351 333487 349591 360437 406901 550697 653981 709247 825517 865381 939827 985211 1146721 1243627 1476871 1998787 2256451 2326457 2438801 2447137 2848307 3140951 3655861 4577867 4798931 5585641 6057667 6896477 7193791 8027047 10338097 10837321 12613931 15795157 17071607 20273411 21986657 24820961 25591027 26826811 33592517 39099487 50356537 52788241 61442051 69949981 75861247 88297517 141913877 148766861 173154871 173746727 187787677 223007521 340724101 369517687 430094357 489649867 769449791 1041368027 1212084097 1561052647 1636435471 1904703581 2385068707 3747965111 5386148537 10562447131 11455048297 13332925067 26235755777 73937129917 116186918441 813308429087
• Sum of all divisors σ(n): 1088076644352
• Sum of proper divisors (its aliquot sum) s(n): 274768215265
• 813308429087 is a deficient number, because the sum of its proper divisors (274768215265) is less than itself. Its deficiency is 538540213822

Bases of 813308429087

• Binary: 1011110101011100111101011100001100011111₂
• Hexadecimal: 0xBD5CF5C31F
• Base-36: ADMMU87Z

Squares and roots of 813308429087

• 813308429087 squared (813308429087²) is 661470600823963707653569
• 813308429087 cubed (813308429087³) is 537979615243371970896424322198961503
• The square root of 813308429087 is 901836.1431474123
• The cube root of 813308429087 is 9334.3717077925

Scales and comparisons

• 813,308,429,087 seconds is equal to 25,860 years, 36 weeks, 4 minutes, 47 seconds.
• To count from 1 to 813,308,429,087 would take you about fifty-one thousand, seven hundred twenty-one 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 813308429087 cubic inches would be around 777.9 feet tall.

Recreational maths with 813308429087

• 813308429087 backwards is 780924803318
• The number of decimal digits it has is: 12
• The sum of 813308429087's digits is 53
• More coming soon!