221208120
221,208,120 is an even composite number composed of six prime numbers multiplied together.
221208120 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 221208120:
23 × 32 × 5 × 7 × 41 × 2141
(2 × 2 × 2 × 3 × 3 × 5 × 7 × 41 × 2141)See below for interesting mathematical facts about the number 221208120 from the Numbermatics database.
Names of 221208120
- Cardinal: 221208120 can be written as Two hundred twenty-one million, two hundred eight thousand, one hundred twenty.
Scientific notation
- Scientific notation: 2.2120812 × 108
Factors of 221208120
Divisors of 221208120
- Number of divisors d(n): 192
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 41 42 45 56 60 63 70 72 82 84 90 105 120 123 126 140 164 168 180 205 210 246 252 280 287 315 328 360 369 410 420 492 504 574 615 630 738 820 840 861 984 1148 1230 1260 1435 1476 1640 1722 1845 2141 2296 2460 2520 2583 2870 2952 3444 3690 4282 4305 4920 5166 5740 6423 6888 7380 8564 8610 10332 10705 11480 12846 12915 14760 14987 17128 17220 19269 20664 21410 25692 25830 29974 32115 34440 38538 42820 44961 51384 51660 59948 64230 74935 77076 85640 87781 89922 96345 103320 119896 128460 134883 149870 154152 175562 179844 192690 224805 256920 263343 269766 299740 351124 359688 385380 438905 449610 526686 539532 599480 614467 674415 702248 770760 790029 877810 899220 1053372 1079064 1228934 1316715 1348830 1580058 1755620 1798440 1843401 2106744 2457868 2633430 2697660 3072335 3160116 3511240 3686802 3950145 4915736 5266860 5395320 5530203 6144670 6320232 7373604 7900290 9217005 10533720 11060406 12289340 14747208 15800580 18434010 22120812 24578680 27651015 31601160 36868020 44241624 55302030 73736040 110604060 221208120
- Sum of all divisors σ(n): 842063040
- Sum of proper divisors (its aliquot sum) s(n): 620854920
- 221208120 is an abundant number, because the sum of its proper divisors (620854920) is greater than itself. Its abundance is 399646800
Bases of 221208120
- Binary: 11010010111101011110001110002
- Hexadecimal: 0xD2F5E38
- Base-36: 3NP9A0
Squares and roots of 221208120
- 221208120 squared (2212081202) is 48933032353934400
- 221208120 cubed (2212081203) is 10824384092913003227328000
-
The
square root of 221208120 is 14873.0669332185 -
The
cube root of 221208120 is 604.7840861479
Scales and comparisons
How big is 221208120?- 221,208,120 seconds is equal to 7 years, 1 week, 5 days, 6 hours, 42 minutes.
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To count from 1 to 221,208,120 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 221208120 cubic inches would be around 50.4 feet tall.
Recreational maths with 221208120
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