72170170016

Names of 72170170016

• Cardinal: 72170170016 can be written as Seventy-two billion, one hundred seventy million, one hundred seventy thousand and sixteen.

Scientific notation

• Scientific notation: 7.2170170016 × 10¹⁰

Factors of 72170170016

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 126949

Divisors of 72170170016

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 112 224 2591 5182 10364 18137 20728 36274 41456 72548 82912 124349 145096 248698 290192 497396 580384 870443 994792 1740886 1989584 3481772 3979168 6963544 13927088 27854176 322188259 644376518 1288753036 2255317813 2577506072 4510635626 5155012144 9021271252 10310024288 18042542504 36085085008 72170170016
• Sum of all divisors σ(n): 162446860800
• Sum of proper divisors (its aliquot sum) s(n): 90276690784
• 72170170016 is an abundant number, because the sum of its proper divisors (90276690784) is greater than itself. Its abundance is 18106520768

Bases of 72170170016

• Binary: 1000011001101101011010110011010100000₂
• Hexadecimal: 0x10CDAD66A0
• Base-36: X5K97KW

Squares and roots of 72170170016

• 72170170016 squared (72170170016²) is 5208533440138345440256
• 72170170016 cubed (72170170016³) is 375900743908805748984213890564096
• The square root of 72170170016 is 268645.0632637793
• The cube root of 72170170016 is 4163.4425479425

Scales and comparisons

• 72,170,170,016 seconds is equal to 2,294 years, 40 weeks, 6 days, 21 hours, 26 minutes, 56 seconds.
• To count from 1 to 72,170,170,016 would take you about four thousand, five hundred eighty-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 72170170016 cubic inches would be around 347 feet tall.

Recreational maths with 72170170016

• 72170170016 backwards is 61007107127
• 72170170016 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72170170016's digits is 32
• More coming soon!