420856992

Names of 420856992

• Cardinal: 420856992 can be written as Four hundred twenty million, eight hundred fifty-six thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 4.20856992 × 10⁸

Factors of 420856992

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 882

Divisors of 420856992

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 31 32 36 38 48 54 57 62 72 76 93 96 108 114 124 144 152 171 186 216 228 248 279 288 304 342 372 432 456 496 513 558 589 608 684 744 827 837 864 912 992 1026 1116 1178 1368 1488 1654 1674 1767 1824 2052 2232 2356 2481 2736 2976 3308 3348 3534 4104 4464 4712 4962 5301 5472 6616 6696 7068 7443 8208 8928 9424 9924 10602 13232 13392 14136 14886 15713 15903 16416 18848 19848 21204 22329 25637 26464 26784 28272 29772 31426 31806 39696 42408 44658 47139 51274 56544 59544 62852 63612 76911 79392 84816 89316 94278 102548 119088 125704 127224 141417 153822 169632 178632 188556 205096 230733 238176 251408 254448 282834 307644 357264 377112 410192 424251 461466 487103 502816 508896 565668 615288 692199 714528 754224 820384 848502 922932 974206 1131336 1230576 1384398 1461309 1508448 1697004 1845864 1948412 2262672 2461152 2768796 2922618 3394008 3691728 3896824 4383927 4525344 5537592 5845236 6788016 7383456 7793648 8767854 11075184 11690472 13151781 13576032 15587296 17535708 22150368 23380944 26303562 35071416 46761888 52607124 70142832 105214248 140285664 210428496 420856992
• Sum of all divisors σ(n): 1335398400
• Sum of proper divisors (its aliquot sum) s(n): 914541408
• 420856992 is an abundant number, because the sum of its proper divisors (914541408) is greater than itself. Its abundance is 493684416

Bases of 420856992

• Binary: 11001000101011100010010100000₂
• Hexadecimal: 0x1915C4A0
• Base-36: 6YKFC0

Squares and roots of 420856992

• 420856992 squared (420856992²) is 177120607715288064
• 420856992 cubed (420856992³) is 74542446184268127028543488
• The square root of 420856992 is 20514.7993409639
• The cube root of 420856992 is 749.3962501119

Scales and comparisons

• 420,856,992 seconds is equal to 13 years, 19 weeks, 6 days, 43 minutes, 12 seconds.
• To count from 1 to 420,856,992 would take you about twenty 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 420856992 cubic inches would be around 62.4 feet tall.

Recreational maths with 420856992

• 420856992 backwards is 299658024
• The number of decimal digits it has is: 9
• The sum of 420856992's digits is 45
• More coming soon!