405970729216

Names of 405970729216

• Cardinal: 405970729216 can be written as Four hundred five billion, nine hundred seventy million, seven hundred twenty-nine thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 4.05970729216 × 10¹¹

Factors of 405970729216

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 11909

Divisors of 405970729216

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 61 64 104 122 128 169 208 244 256 338 416 488 676 793 832 976 1352 1586 1664 1952 2197 2704 3172 3328 3904 4394 5408 6344 7808 8788 10309 10816 11833 12688 15616 17576 20618 21632 23666 25376 35152 41236 43264 47332 50752 70304 82472 94664 101504 134017 140608 153829 164944 189328 203008 268034 281216 307658 329888 378656 536068 562432 615316 659776 721813 757312 1072136 1230632 1319552 1443626 1514624 1999777 2144272 2461264 2639104 2887252 3029248 3999554 4288544 4922528 5774504 7999108 8577088 9383569 9845056 11549008 15998216 17154176 18767138 19690112 23098016 25997101 31996432 34308352 37534276 39380224 46196032 51994202 63992864 75068552 92392064 103988404 121986397 127985728 150137104 184784128 207976808 243972794 255971456 300274208 415953616 487945588 511942912 600548416 831907232 975891176 1201096832 1585823161 1663814464 1951782352 2402193664 3171646322 3327628928 3903564704 6343292644 6655257856 7807129408 12686585288 15614258816 25373170576 31228517632 50746341152 101492682304 202985364608 405970729216
• Sum of all divisors σ(n): 892320995440
• Sum of proper divisors (its aliquot sum) s(n): 486350266224
• 405970729216 is an abundant number, because the sum of its proper divisors (486350266224) is greater than itself. Its abundance is 80379537008

Bases of 405970729216

• Binary: 101111010000101101111011011100100000000₂
• Hexadecimal: 0x5E85BDB900
• Base-36: 56I0HNGG

Squares and roots of 405970729216

• 405970729216 squared (405970729216²) is 164812232980170795974656
• 405970729216 cubed (405970729216³) is 66908942406677222910058253774749696
• The square root of 405970729216 is 637158.3235083727
• The cube root of 405970729216 is 7404.5426771665

Scales and comparisons

• 405,970,729,216 seconds is equal to 12,908 years, 31 weeks, 6 days, 7 hours, 16 seconds.
• To count from 1 to 405,970,729,216 would take you about twenty-five thousand, eight hundred seventeen 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 405970729216 cubic inches would be around 617 feet tall.

Recreational maths with 405970729216

• 405970729216 backwards is 612927079504
• 405970729216 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 405970729216's digits is 52
• More coming soon!