420661368
420,661,368 is an even composite number composed of five prime numbers multiplied together.
420661368 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 420661368:
23 × 32 × 19 × 61 × 712
(2 × 2 × 2 × 3 × 3 × 19 × 61 × 71 × 71)See below for interesting mathematical facts about the number 420661368 from the Numbermatics database.
Names of 420661368
- Cardinal: 420661368 can be written as Four hundred twenty million, six hundred sixty-one thousand, three hundred sixty-eight.
Scientific notation
- Scientific notation: 4.20661368 × 108
Factors of 420661368
Divisors of 420661368
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 8 9 12 18 19 24 36 38 57 61 71 72 76 114 122 142 152 171 183 213 228 244 284 342 366 426 456 488 549 568 639 684 732 852 1098 1159 1278 1349 1368 1464 1704 2196 2318 2556 2698 3477 4047 4331 4392 4636 5041 5112 5396 6954 8094 8662 9272 10082 10431 10792 12141 12993 13908 15123 16188 17324 20164 20862 24282 25986 27816 30246 32376 34648 38979 40328 41724 45369 48564 51972 60492 77958 82289 83448 90738 95779 97128 103944 120984 155916 164578 181476 191558 246867 287337 307501 311832 329156 362952 383116 493734 574674 615002 658312 740601 766232 862011 922503 987468 1149348 1230004 1481202 1724022 1845006 1974936 2298696 2460008 2767509 2962404 3448044 3690012 5535018 5842519 5924808 6896088 7380024 11070036 11685038 17527557 22140072 23370076 35055114 46740152 52582671 70110228 105165342 140220456 210330684 420661368
- Sum of all divisors σ(n): 1236323400
- Sum of proper divisors (its aliquot sum) s(n): 815662032
- 420661368 is an abundant number, because the sum of its proper divisors (815662032) is greater than itself. Its abundance is 395000664
Bases of 420661368
- Binary: 110010001001011001000011110002
- Hexadecimal: 0x1912C878
- Base-36: 6YG8E0
Squares and roots of 420661368
- 420661368 squared (4206613682) is 176955986527631424
- 420661368 cubed (4206613683) is 74438547368503004619628032
-
The
square root of 420661368 is 20510.0309117271 -
The
cube root of 420661368 is 749.2801199177
Scales and comparisons
How big is 420661368?- 420,661,368 seconds is equal to 13 years, 19 weeks, 3 days, 18 hours, 22 minutes, 48 seconds.
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To count from 1 to 420,661,368 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 420661368 cubic inches would be around 62.4 feet tall.
Recreational maths with 420661368
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