216820890
216,820,890 is an even composite number composed of seven prime numbers multiplied together.
216820890 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 216820890:
2 × 32 × 5 × 11 × 13 × 17 × 991
(2 × 3 × 3 × 5 × 11 × 13 × 17 × 991)See below for interesting mathematical facts about the number 216820890 from the Numbermatics database.
Names of 216820890
- Cardinal: 216820890 can be written as Two hundred sixteen million, eight hundred twenty thousand, eight hundred ninety.
Scientific notation
- Scientific notation: 2.1682089 × 108
Factors of 216820890
Divisors of 216820890
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 5 6 9 10 11 13 15 17 18 22 26 30 33 34 39 45 51 55 65 66 78 85 90 99 102 110 117 130 143 153 165 170 187 195 198 221 234 255 286 306 330 374 390 429 442 495 510 561 585 663 715 765 858 935 990 991 1105 1122 1170 1287 1326 1430 1530 1683 1870 1982 1989 2145 2210 2431 2574 2805 2973 3315 3366 3978 4290 4862 4955 5610 5946 6435 6630 7293 8415 8919 9910 9945 10901 12155 12870 12883 14586 14865 16830 16847 17838 19890 21802 21879 24310 25766 29730 32703 33694 36465 38649 43758 44595 50541 54505 64415 65406 72930 77298 84235 89190 98109 101082 109010 109395 115947 128830 141713 151623 163515 168470 185317 193245 196218 218790 219011 231894 252705 283426 303246 327030 370634 386490 425139 438022 490545 505410 555951 579735 657033 708565 758115 850278 926585 981090 1095055 1111902 1159470 1275417 1314066 1417130 1516230 1667853 1853170 1971099 2125695 2190110 2409121 2550834 2779755 3285165 3335706 3942198 4251390 4818242 5559510 6377085 6570330 7227363 8339265 9855495 12045605 12754170 14454726 16678530 19710990 21682089 24091210 36136815 43364178 72273630 108410445 216820890
- Sum of all divisors σ(n): 701955072
- Sum of proper divisors (its aliquot sum) s(n): 485134182
- 216820890 is an abundant number, because the sum of its proper divisors (485134182) is greater than itself. Its abundance is 268313292
Bases of 216820890
- Binary: 11001110110001101100100110102
- Hexadecimal: 0xCEC6C9A
- Base-36: 3L382I
Squares and roots of 216820890
- 216820890 squared (2168208902) is 47011298340392100
- 216820890 cubed (2168208903) is 10193031546219338070969000
-
The
square root of 216820890 is 14724.8392181375 -
The
cube root of 216820890 is 600.7591224835
Scales and comparisons
How big is 216820890?- 216,820,890 seconds is equal to 6 years, 46 weeks, 3 days, 12 hours, 1 minute, 30 seconds.
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To count from 1 to 216,820,890 would take you about ten 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 216820890 cubic inches would be around 50.1 feet tall.
Recreational maths with 216820890
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