400021713

Names of 400021713

• Cardinal: 400021713 can be written as Four hundred million, twenty-one thousand, seven hundred thirteen.

Scientific notation

• Scientific notation: 4.00021713 × 10⁸

Factors of 400021713

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 258

Divisors of 400021713

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 9 13 17 21 27 39 51 61 63 91 117 119 153 157 183 189 221 273 351 357 427 459 471 549 663 793 819 1037 1071 1099 1281 1413 1547 1647 1989 2041 2379 2457 2669 3111 3213 3297 3843 4239 4641 5551 5967 6123 7137 7259 8007 9333 9577 9891 11529 13481 13923 14287 16653 18369 18683 21411 21777 24021 27999 28731 29673 34697 40443 41769 42861 49959 55107 56049 65331 67039 72063 86193 94367 104091 121329 124501 128583 149877 162809 168147 195993 201117 242879 258579 283101 312273 363987 373503 385749 488427 504441 603351 728637 849303 871507 936819 1120509 1139663 1465281 1810053 2116517 2185911 2547909 2614521 3361527 3418989 4395843 6349551 6557733 7843563 10256967 14815619 19048653 23530689 30770901 44446857 57145959 133340571 400021713
• Sum of all divisors σ(n): 789949440
• Sum of proper divisors (its aliquot sum) s(n): 389927727
• 400021713 is a deficient number, because the sum of its proper divisors (389927727) is less than itself. Its deficiency is 10093986

Bases of 400021713

• Binary: 10111110101111101100011010001₂
• Hexadecimal: 0x17D7D8D1
• Base-36: 6M5UQ9

Squares and roots of 400021713

• 400021713 squared (400021713²) is 160017370871454369
• 400021713 cubed (400021713³) is 64010422805755479488714097
• The square root of 400021713 is 20000.5428176339
• The cube root of 400021713 is 736.8196313831

Scales and comparisons

• 400,021,713 seconds is equal to 12 years, 37 weeks, 2 days, 21 hours, 8 minutes, 33 seconds.
• To count from 1 to 400,021,713 would take you about nineteen 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 400021713 cubic inches would be around 61.4 feet tall.

Recreational maths with 400021713

• 400021713 backwards is 317120004
• The number of decimal digits it has is: 9
• The sum of 400021713's digits is 18
• More coming soon!