121899492
121,899,492 is an even composite number composed of five prime numbers multiplied together.
121899492 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 121899492:
22 × 35 × 11 × 13 × 877
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 11 × 13 × 877)See below for interesting mathematical facts about the number 121899492 from the Numbermatics database.
Names of 121899492
- Cardinal: 121899492 can be written as One hundred twenty-one million, eight hundred ninety-nine thousand, four hundred ninety-two.
Scientific notation
- Scientific notation: 1.21899492 × 108
Factors of 121899492
Divisors of 121899492
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 9 11 12 13 18 22 26 27 33 36 39 44 52 54 66 78 81 99 108 117 132 143 156 162 198 234 243 286 297 324 351 396 429 468 486 572 594 702 858 877 891 972 1053 1188 1287 1404 1716 1754 1782 2106 2574 2631 2673 3159 3508 3564 3861 4212 5148 5262 5346 6318 7722 7893 9647 10524 10692 11401 11583 12636 15444 15786 19294 22802 23166 23679 28941 31572 34203 34749 38588 45604 46332 47358 57882 68406 69498 71037 86823 94716 102609 115764 125411 136812 138996 142074 173646 205218 213111 250822 260469 284148 307827 347292 376233 410436 426222 501644 520938 615654 752466 781407 852444 923481 1041876 1128699 1231308 1504932 1562814 1846962 2257398 2344221 2770443 3125628 3386097 3693924 4514796 4688442 5540886 6772194 9376884 10158291 11081772 13544388 20316582 30474873 40633164 60949746 121899492
- Sum of all divisors σ(n): 375840192
- Sum of proper divisors (its aliquot sum) s(n): 253940700
- 121899492 is an abundant number, because the sum of its proper divisors (253940700) is greater than itself. Its abundance is 132041208
Bases of 121899492
- Binary: 1110100010000001001111001002
- Hexadecimal: 0x74409E4
- Base-36: 20KQ90
Squares and roots of 121899492
- 121899492 squared (1218994922) is 14859486149858064
- 121899492 cubed (1218994923) is 1811363813048733873703488
-
The
square root of 121899492 is 11040.8102963505 -
The
cube root of 121899492 is 495.8313303093
Scales and comparisons
How big is 121899492?- 121,899,492 seconds is equal to 3 years, 45 weeks, 3 days, 20 hours, 58 minutes, 12 seconds.
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To count from 1 to 121,899,492 would take you about five 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 121899492 cubic inches would be around 41.3 feet tall.
Recreational maths with 121899492
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