15020020115359721

Names of 15020020115359721

• Cardinal: 15020020115359721 can be written as Fifteen quadrillion, twenty trillion, twenty billion, one hundred fifteen million, three hundred fifty-nine thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.5020020115359721 × 10¹⁶

Factors of 15020020115359721

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 38218

Divisors of 15020020115359721

• Number of divisors d(n): 72
• Complete list of divisors:
  1 7 11 23 77 121 161 253 529 847 1771 2783 3703 5819 12167 19481 38177 40733 64009 85169 133837 267239 419947 448063 878071 936859 1472207 2939629 4619417 6146497 9658781 10305449 20195633 32335919 67611467 106246591 141369431 222151963 464499559 743726137 1457483329 1555063741 2443671593 3251496913 5109495149 10202383303 16032316619 17105701151 33522116567 35766466043 56204446639 112226216333 176355482809 234654815969 368743282237 393431126473 771008681041 1234488379663 2581202975659 4056176104607 5397060767287 8481095491451 17733199663943 28393232732249 59367668440157 93292050405961 124132397647601 195065196303373 653044352841727 1365456374123611 2145717159337103 15020020115359721
• Sum of all divisors σ(n): 19726212677458560
• Sum of proper divisors (its aliquot sum) s(n): 4706192562098839
• 15020020115359721 is a deficient number, because the sum of its proper divisors (4706192562098839) is less than itself. Its deficiency is 10313827553260882

Bases of 15020020115359721

• Binary: 110101010111001010000011110011011111101100011111101001₂
• Hexadecimal: 0x355CA0F37EC7E9
• Base-36: 43W5HZF9AEH

Squares and roots of 15020020115359721

• 15020020115359721 squared (15020020115359721²) is 225601004265810646536705229197841
• 15020020115359721 cubed (15020020115359721³) is 3388531622117830136617969299960087276323991562361
• The square root of 15020020115359721 is 122556191.6647205589
• The cube root of 15020020115359721 is 246730.8783230441

Scales and comparisons

• 15,020,020,115,359,721 seconds is equal to 477,590,179 years, 36 weeks, 1 day, 6 hours, 8 minutes, 41 seconds.
• To count from 1 to 15,020,020,115,359,721 would take you about one billion, four hundred thirty-two million, seven hundred seventy thousand, five hundred thirty-nine 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 15020020115359721 cubic inches would be around 20560.9 feet tall.

Recreational maths with 15020020115359721

• 15020020115359721 backwards is 12795351102002051
• The number of decimal digits it has is: 17
• The sum of 15020020115359721's digits is 44
• More coming soon!