72168030
72,168,030 is an even composite number composed of five prime numbers multiplied together.
72168030 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 72168030:
2 × 33 × 5 × 112 × 472
(2 × 3 × 3 × 3 × 5 × 11 × 11 × 47 × 47)See below for interesting mathematical facts about the number 72168030 from the Numbermatics database.
Names of 72168030
- Cardinal: 72168030 can be written as Seventy-two million, one hundred sixty-eight thousand and thirty.
Scientific notation
- Scientific notation: 7.216803 × 107
Factors of 72168030
Divisors of 72168030
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 47 54 55 66 90 94 99 110 121 135 141 165 198 235 242 270 282 297 330 363 423 470 495 517 594 605 705 726 846 990 1034 1089 1210 1269 1410 1485 1551 1815 2115 2178 2209 2538 2585 2970 3102 3267 3630 4230 4418 4653 5170 5445 5687 6345 6534 6627 7755 9306 10890 11045 11374 12690 13254 13959 15510 16335 17061 19881 22090 23265 24299 27918 28435 32670 33135 34122 39762 46530 48598 51183 56870 59643 66270 69795 72897 85305 99405 102366 119286 121495 139590 145794 153549 170610 198810 218691 242990 255915 267289 298215 307098 364485 437382 511830 534578 596430 656073 728970 767745 801867 1093455 1312146 1336445 1535490 1603734 2186910 2405601 2672890 3280365 4009335 4811202 6560730 7216803 8018670 12028005 14433606 24056010 36084015 72168030
- Sum of all divisors σ(n): 216130320
- Sum of proper divisors (its aliquot sum) s(n): 143962290
- 72168030 is an abundant number, because the sum of its proper divisors (143962290) is greater than itself. Its abundance is 71794260
Bases of 72168030
- Binary: 1000100110100110010010111102
- Hexadecimal: 0x44D325E
- Base-36: 16YT7I
Squares and roots of 72168030
- 72168030 squared (721680302) is 5208224554080900
- 72168030 cubed (721680303) is 375867305865647013627000
-
The
square root of 72168030 is 8495.1768669051 -
The
cube root of 72168030 is 416.3401395569
Scales and comparisons
How big is 72168030?- 72,168,030 seconds is equal to 2 years, 15 weeks, 2 days, 6 hours, 40 minutes, 30 seconds.
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To count from 1 to 72,168,030 would take you about three 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 72168030 cubic inches would be around 34.7 feet tall.
Recreational maths with 72168030
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