221409090
221,409,090 is an even composite number composed of seven prime numbers multiplied together.
221409090 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 221409090:
2 × 32 × 5 × 7 × 19 × 53 × 349
(2 × 3 × 3 × 5 × 7 × 19 × 53 × 349)See below for interesting mathematical facts about the number 221409090 from the Numbermatics database.
Names of 221409090
- Cardinal: 221409090 can be written as Two hundred twenty-one million, four hundred nine thousand and ninety.
Scientific notation
- Scientific notation: 2.2140909 × 108
Factors of 221409090
Divisors of 221409090
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 18 19 21 30 35 38 42 45 53 57 63 70 90 95 105 106 114 126 133 159 171 190 210 265 266 285 315 318 342 349 371 399 477 530 570 630 665 698 742 795 798 855 954 1007 1047 1113 1197 1330 1590 1710 1745 1855 1995 2014 2094 2226 2385 2394 2443 3021 3141 3339 3490 3710 3990 4770 4886 5035 5235 5565 5985 6042 6282 6631 6678 7049 7329 9063 10070 10470 11130 11970 12215 13262 14098 14658 15105 15705 16695 18126 18497 19893 21147 21987 24430 30210 31410 33155 33390 35245 36645 36994 39786 42294 43974 45315 46417 55491 59679 63441 66310 70490 73290 90630 92485 92834 99465 105735 109935 110982 119358 126882 129479 139251 166473 184970 198930 211470 219870 232085 258958 277455 278502 298395 317205 332946 351443 388437 417753 464170 554910 596790 634410 647395 696255 702886 776874 832365 835506 1054329 1165311 1294790 1392510 1664730 1757215 1942185 2088765 2108658 2330622 2460101 3162987 3514430 3884370 4177530 4920202 5271645 5826555 6325974 7380303 10543290 11653110 12300505 14760606 15814935 22140909 24601010 31629870 36901515 44281818 73803030 110704545 221409090
- Sum of all divisors σ(n): 707616000
- Sum of proper divisors (its aliquot sum) s(n): 486206910
- 221409090 is an abundant number, because the sum of its proper divisors (486206910) is greater than itself. Its abundance is 264797820
Bases of 221409090
- Binary: 11010011001001101111010000102
- Hexadecimal: 0xD326F42
- Base-36: 3NTKCI
Squares and roots of 221409090
- 221409090 squared (2214090902) is 49021985134628100
- 221409090 cubed (2214090903) is 10853913118651535109429000
-
The
square root of 221409090 is 14879.8215715109 -
The
cube root of 221409090 is 604.9671816999
Scales and comparisons
How big is 221409090?- 221,409,090 seconds is equal to 7 years, 2 weeks, 14 hours, 31 minutes, 30 seconds.
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To count from 1 to 221,409,090 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 221409090 cubic inches would be around 50.4 feet tall.
Recreational maths with 221409090
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