145449492720
145,449,492,720 is an even composite number composed of six prime numbers multiplied together.
145449492720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 145449492720:
24 × 3 × 5 × 7 × 31 × 2792809
(2 × 2 × 2 × 2 × 3 × 5 × 7 × 31 × 2792809)See below for interesting mathematical facts about the number 145449492720 from the Numbermatics database.
Names of 145449492720
- Cardinal: 145449492720 can be written as One hundred forty-five billion, four hundred forty-nine million, four hundred ninety-two thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.4544949272 × 1011
Factors of 145449492720
Divisors of 145449492720
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 31 35 40 42 48 56 60 62 70 80 84 93 105 112 120 124 140 155 168 186 210 217 240 248 280 310 336 372 420 434 465 496 560 620 651 744 840 868 930 1085 1240 1302 1488 1680 1736 1860 2170 2480 2604 3255 3472 3720 4340 5208 6510 7440 8680 10416 13020 17360 26040 52080 2792809 5585618 8378427 11171236 13964045 16756854 19549663 22342472 27928090 33513708 39099326 41892135 44684944 55856180 58648989 67027416 78198652 83784270 86577079 97748315 111712360 117297978 134054832 156397304 167568540 173154158 195496630 223424720 234595956 259731237 293244945 312794608 335137080 346308316 390993260 432885395 469191912 519462474 586489890 606039553 670274160 692616632 781986520 865770790 938383824 1038924948 1172979780 1212079106 1298656185 1385233264 1563973040 1731541580 1818118659 2077849896 2345959560 2424158212 2597312370 3030197765 3463083160 3636237318 4155699792 4691919120 4848316424 5194624740 6060395530 6926166320 7272474636 9090593295 9696632848 10389249480 12120791060 14544949272 18181186590 20778498960 24241582120 29089898544 36362373180 48483164240 72724746360 145449492720
- Sum of all divisors σ(n): 531929763840
- Sum of proper divisors (its aliquot sum) s(n): 386480271120
- 145449492720 is an abundant number, because the sum of its proper divisors (386480271120) is greater than itself. Its abundance is 241030778400
Bases of 145449492720
- Binary: 100001110111010111011100100000111100002
- Hexadecimal: 0x21DD7720F0
- Base-36: 1UTGVEUO
Squares and roots of 145449492720
- 145449492720 squared (1454494927202) is 21155554932505332998400
- 145449492720 cubed (1454494927203) is 3077064733142994523311956571648000
-
The
square root of 145449492720 is 381378.4114498355 -
The
cube root of 145449492720 is 5259.0108921971
Scales and comparisons
How big is 145449492720?- 145,449,492,720 seconds is equal to 4,624 years, 43 weeks, 6 days, 4 hours, 52 minutes.
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To count from 1 to 145,449,492,720 would take you about nine thousand, two hundred forty-nine 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 145449492720 cubic inches would be around 438.3 feet tall.
Recreational maths with 145449492720
- 145449492720 backwards is 027294944541
- The number of decimal digits it has is: 12
- The sum of 145449492720's digits is 51
- More coming soon!
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