381861216
381,861,216 is an even composite number composed of five prime numbers multiplied together.
381861216 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 381861216:
25 × 34 × 11 × 59 × 227
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 11 × 59 × 227)See below for interesting mathematical facts about the number 381861216 from the Numbermatics database.
Names of 381861216
- Cardinal: 381861216 can be written as Three hundred eighty-one million, eight hundred sixty-one thousand, two hundred sixteen.
Scientific notation
- Scientific notation: 3.81861216 × 108
Factors of 381861216
Divisors of 381861216
- Number of divisors d(n): 240
-
Complete list of divisors:
1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 59 66 72 81 88 96 99 108 118 132 144 162 176 177 198 216 227 236 264 288 297 324 352 354 396 432 454 472 528 531 594 648 649 681 708 792 864 891 908 944 1056 1062 1188 1296 1298 1362 1416 1584 1593 1782 1816 1888 1947 2043 2124 2376 2497 2592 2596 2724 2832 3168 3186 3564 3632 3894 4086 4248 4752 4779 4994 5192 5448 5664 5841 6129 6372 7128 7264 7491 7788 8172 8496 9504 9558 9988 10384 10896 11682 12258 12744 13393 14256 14982 15576 16344 16992 17523 18387 19116 19976 20768 21792 22473 23364 24516 25488 26786 28512 29964 31152 32688 35046 36774 38232 39952 40179 44946 46728 49032 50976 52569 53572 59928 62304 65376 67419 70092 73548 76464 79904 80358 89892 93456 98064 105138 107144 119856 120537 134838 140184 147096 147323 152928 160716 179784 186912 196128 202257 210276 214288 239712 241074 269676 280368 294192 294646 321432 359568 361611 404514 420552 428576 441969 482148 539352 560736 588384 589292 642864 719136 723222 809028 841104 883938 964296 1078704 1084833 1178584 1285728 1325907 1446444 1618056 1682208 1767876 1928592 2157408 2169666 2357168 2651814 2892888 3236112 3535752 3857184 3977721 4339332 4714336 5303628 5785776 6472224 7071504 7955442 8678664 10607256 11571552 11933163 14143008 15910884 17357328 21214512 23866326 31821768 34714656 42429024 47732652 63643536 95465304 127287072 190930608 381861216
- Sum of all divisors σ(n): 1251391680
- Sum of proper divisors (its aliquot sum) s(n): 869530464
- 381861216 is an abundant number, because the sum of its proper divisors (869530464) is greater than itself. Its abundance is 487669248
Bases of 381861216
- Binary: 101101100001010111101011000002
- Hexadecimal: 0x16C2BD60
- Base-36: 6BCM00
Squares and roots of 381861216
- 381861216 squared (3818612162) is 145817988284998656
- 381861216 cubed (3818612163) is 55682234321183341338525696
-
The
square root of 381861216 is 19541.2695595757 -
The
cube root of 381861216 is 725.4962696543
Scales and comparisons
How big is 381861216?- 381,861,216 seconds is equal to 12 years, 7 weeks, 2 days, 16 hours, 33 minutes, 36 seconds.
-
To count from 1 to 381,861,216 would take you about eighteen 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 381861216 cubic inches would be around 60.5 feet tall.
Recreational maths with 381861216
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