421457905664

Names of 421457905664

• Cardinal: 421457905664 can be written as Four hundred twenty-one billion, four hundred fifty-seven million, nine hundred five thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 4.21457905664 × 10¹¹

Factors of 421457905664

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 98

Divisors of 421457905664

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 16 23 32 46 64 73 92 128 146 184 256 292 368 512 529 584 736 1024 1058 1168 1472 1679 2048 2116 2336 2944 3358 4232 4672 5329 5888 6716 8464 9344 10658 11776 13432 16928 18688 21316 23552 26864 33856 37376 38617 42632 47104 53728 67712 74752 77234 85264 107456 122567 135424 149504 154468 170528 214912 245134 270848 308936 341056 389017 429824 490268 541696 617872 682112 778034 859648 980536 1083392 1235744 1364224 1556068 1719296 1961072 2471488 2728448 2819041 3112136 3438592 3922144 4942976 5456896 5638082 6224272 7844288 8947391 9885952 10913792 11276164 12448544 15688576 17894782 19771904 22552328 24897088 31377152 35789564 39543808 45104656 49794176 62754304 71579128 79087616 90209312 99588352 125508608 143158256 180418624 199176704 205789993 251017216 286316512 360837248 398353408 411579986 572633024 721674496 796706816 823159972 1145266048 1443348992 1646319944 2290532096 2886697984 3292639888 4581064192 5773395968 6585279776 9162128384 13170559552 18324256768 26341119104 52682238208 105364476416 210728952832 421457905664
• Sum of all divisors σ(n): 893177894700
• Sum of proper divisors (its aliquot sum) s(n): 471719989036
• 421457905664 is an abundant number, because the sum of its proper divisors (471719989036) is greater than itself. Its abundance is 50262083372

Bases of 421457905664

• Binary: 110001000100000110110010100100000000000₂
• Hexadecimal: 0x6220D94800
• Base-36: 5DM55LA8

Squares and roots of 421457905664

• 421457905664 squared (421457905664²) is 177626766246685123280896
• 421457905664 cubed (421457905664³) is 74862204892196798040432076541394944
• The square root of 421457905664 is 649197.8940692891
• The cube root of 421457905664 is 7497.5275148593

Scales and comparisons

• 421,457,905,664 seconds is equal to 13,401 years, 3 weeks, 27 minutes, 44 seconds.
• To count from 1 to 421,457,905,664 would take you about twenty-six thousand, eight hundred two 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 421457905664 cubic inches would be around 624.8 feet tall.

Recreational maths with 421457905664

• 421457905664 backwards is 466509754124
• The number of decimal digits it has is: 12
• The sum of 421457905664's digits is 53
• More coming soon!