72130320
72,130,320 is an even composite number composed of six prime numbers multiplied together.
72130320 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 72130320:
24 × 32 × 5 × 17 × 71 × 83
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 17 × 71 × 83)See below for interesting mathematical facts about the number 72130320 from the Numbermatics database.
Names of 72130320
- Cardinal: 72130320 can be written as Seventy-two million, one hundred thirty thousand, three hundred twenty.
Scientific notation
- Scientific notation: 7.213032 × 107
Factors of 72130320
Divisors of 72130320
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 30 34 36 40 45 48 51 60 68 71 72 80 83 85 90 102 120 136 142 144 153 166 170 180 204 213 240 249 255 272 284 306 332 340 355 360 408 415 426 498 510 568 612 639 664 680 710 720 747 765 816 830 852 996 1020 1065 1136 1207 1224 1245 1278 1328 1360 1411 1420 1494 1530 1660 1704 1992 2040 2130 2414 2448 2490 2556 2822 2840 2988 3060 3195 3320 3408 3621 3735 3984 4080 4233 4260 4828 4980 5112 5644 5680 5893 5976 6035 6120 6390 6640 7055 7242 7470 8466 8520 9656 9960 10224 10863 11288 11786 11952 12070 12240 12699 12780 14110 14484 14940 16932 17040 17679 18105 19312 19920 21165 21726 22576 23572 24140 25398 25560 28220 28968 29465 29880 33864 35358 36210 42330 43452 47144 48280 50796 51120 53037 54315 56440 57936 58930 59760 63495 67728 70716 72420 84660 86904 88395 94288 96560 100181 101592 106074 108630 112880 117860 126990 141432 144840 169320 173808 176790 200362 203184 212148 217260 235720 253980 265185 282864 289680 300543 338640 353580 400724 424296 434520 471440 500905 507960 530370 601086 707160 801448 848592 869040 901629 1001810 1015920 1060740 1202172 1414320 1502715 1602896 1803258 2003620 2121480 2404344 3005430 3606516 4007240 4242960 4508145 4808688 6010860 7213032 8014480 9016290 12021720 14426064 18032580 24043440 36065160 72130320
- Sum of all divisors σ(n): 263233152
- Sum of proper divisors (its aliquot sum) s(n): 191102832
- 72130320 is an abundant number, because the sum of its proper divisors (191102832) is greater than itself. Its abundance is 118972512
Bases of 72130320
- Binary: 1000100110010011111000100002
- Hexadecimal: 0x44C9F10
- Base-36: 16Y040
Squares and roots of 72130320
- 72130320 squared (721303202) is 5202783063302400
- 72130320 cubed (721303203) is 375278407246582368768000
-
The
square root of 72130320 is 8492.9570821947 -
The
cube root of 72130320 is 416.2676101091
Scales and comparisons
How big is 72130320?- 72,130,320 seconds is equal to 2 years, 15 weeks, 1 day, 20 hours, 12 minutes.
-
To count from 1 to 72,130,320 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 72130320 cubic inches would be around 34.7 feet tall.
Recreational maths with 72130320
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