420605918397

Names of 420605918397

• Cardinal: 420605918397 can be written as Four hundred twenty billion, six hundred five million, nine hundred eighteen thousand, three hundred ninety-seven.

Scientific notation

• Scientific notation: 4.20605918397 × 10¹¹

Factors of 420605918397

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 784

Divisors of 420605918397

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 21 49 63 113 147 339 441 661 791 1017 1983 2373 4627 5537 5949 7119 12769 13881 16611 32389 38307 41643 49833 74693 89383 97167 114921 224079 268149 291501 522851 625681 672237 804447 1442897 1568553 1877043 3659957 4328691 4705659 5631129 8440309 10100279 10979871 12986073 25320927 30300837 32939613 59082163 70701953 75962781 90902511 177246489 212105859 413575141 531739467 636317577 953754917 1240725423 2861264751 3722176269 6676284419 8583794253 20028853257 46733990933 60086559771 140201972799 420605918397
• Sum of all divisors σ(n): 714121232760
• Sum of proper divisors (its aliquot sum) s(n): 293515314363
• 420605918397 is a deficient number, because the sum of its proper divisors (293515314363) is less than itself. Its deficiency is 127090604034

Bases of 420605918397

• Binary: 110000111101110000100001111110010111101₂
• Hexadecimal: 0x61EE10FCBD
• Base-36: 5D81WJP9

Squares and roots of 420605918397

• 420605918397 squared (420605918397²) is 176909338590583823049609
• 420605918397 cubed (420605918397³) is 74409114830898342470192130736756773
• The square root of 420605918397 is 648541.3775519647
• The cube root of 420605918397 is 7492.4719627755

Scales and comparisons

• 420,605,918,397 seconds is equal to 13,373 years, 50 weeks, 2 days, 1 hour, 19 minutes, 57 seconds.
• To count from 1 to 420,605,918,397 would take you about twenty-six thousand, seven hundred forty-seven 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 420605918397 cubic inches would be around 624.4 feet tall.

Recreational maths with 420605918397

• 420605918397 backwards is 793819506024
• The number of decimal digits it has is: 12
• The sum of 420605918397's digits is 54
• More coming soon!