72700542129920

Names of 72700542129920

• Cardinal: 72700542129920 can be written as Seventy-two trillion, seven hundred billion, five hundred forty-two million, one hundred twenty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 7.270054212992 × 10¹³

Factors of 72700542129920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 35477747

Divisors of 72700542129920

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1280 1601 3202 6404 8005 12808 16010 25616 32020 51232 64040 102464 128080 204928 256160 409856 512320 1024640 2049280 35476139 70952278 141904556 177380695 283809112 354761390 567618224 709522780 1135236448 1419045560 2270472896 2838091120 4540945792 5676182240 9081891584 11352364480 22704728960 45409457920 56797298539 113594597078 227189194156 283986492695 454378388312 567972985390 908756776624 1135945970780 1817513553248 2271891941560 3635027106496 4543783883120 7270054212992 9087567766240 14540108425984 18175135532480 36350271064960 72700542129920
• Sum of all divisors σ(n): 174249292074480
• Sum of proper divisors (its aliquot sum) s(n): 101548749944560
• 72700542129920 is an abundant number, because the sum of its proper divisors (101548749944560) is greater than itself. Its abundance is 28848207814640

Bases of 72700542129920

• Binary: 10000100001111011101001111111010001011100000000₂
• Hexadecimal: 0x421EE9FD1700
• Base-36: PRQ61PMGW

Squares and roots of 72700542129920

• 72700542129920 squared (72700542129920²) is 5285368825984272850159206400
• 72700542129920 cubed (72700542129920³) is 384249179005635437554335820262552895488000
• The square root of 72700542129920 is 8526461.2900030221
• The cube root of 72700542129920 is 41736.1658788977

Scales and comparisons

• 72,700,542,129,920 seconds is equal to 2,311,652 years, 18 weeks, 5 days, 20 hours, 5 minutes, 20 seconds.
• To count from 1 to 72,700,542,129,920 would take you about five million, seven hundred seventy-nine thousand, one hundred thirty 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 72700542129920 cubic inches would be around 3478 feet tall.

Recreational maths with 72700542129920

• 72700542129920 backwards is 02992124500727
• The number of decimal digits it has is: 14
• The sum of 72700542129920's digits is 50
• More coming soon!