21379146880
21,379,146,880 is an even composite number composed of five prime numbers multiplied together.
21379146880 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21379146880:
27 × 5 × 72 × 13 × 2292
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 13 × 229 × 229)See below for interesting mathematical facts about the number 21379146880 from the Numbermatics database.
Names of 21379146880
- Cardinal: 21379146880 can be written as Twenty-one billion, three hundred seventy-nine million, one hundred forty-six thousand, eight hundred eighty.
Scientific notation
- Scientific notation: 2.137914688 × 1010
Factors of 21379146880
Divisors of 21379146880
- Number of divisors d(n): 288
-
Complete list of divisors:
1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 49 52 56 64 65 70 80 91 98 104 112 128 130 140 160 182 196 208 224 229 245 260 280 320 364 392 416 448 455 458 490 520 560 637 640 728 784 832 896 910 916 980 1040 1120 1145 1274 1456 1568 1603 1664 1820 1832 1960 2080 2240 2290 2548 2912 2977 3136 3185 3206 3640 3664 3920 4160 4480 4580 5096 5824 5954 6272 6370 6412 7280 7328 7840 8015 8320 9160 10192 11221 11648 11908 12740 12824 14560 14656 14885 15680 16030 18320 20384 20839 22442 23816 25480 25648 29120 29312 29770 31360 32060 36640 40768 41678 44884 47632 50960 51296 52441 56105 58240 59540 64120 73280 81536 83356 89768 95264 101920 102592 104195 104882 112210 119080 128240 145873 146560 166712 179536 190528 203840 205184 208390 209764 224420 238160 256480 262205 291746 333424 359072 367087 381056 407680 416780 419528 448840 476320 512960 524410 583492 666848 681733 718144 729365 734174 833560 839056 897680 952640 1025920 1048820 1166984 1333696 1363466 1436288 1458730 1468348 1667120 1678112 1795360 1835435 1905280 2097640 2333968 2569609 2667392 2726932 2917460 2936696 3334240 3356224 3408665 3590720 3670870 4195280 4667936 4772131 5139218 5453864 5834920 5873392 6668480 6712448 6817330 7181440 7341740 8390560 9335872 9544262 10278436 10907728 11669840 11746784 12848045 13336960 13634660 14683480 16781120 18671744 19088524 20556872 21815456 23339680 23493568 23860655 25696090 27269320 29366960 33404917 33562240 38177048 41113744 43630912 46679360 46987136 47721310 51392180 54538640 58733920 66809834 76354096 82227488 87261824 93358720 95442620 102784360 109077280 117467840 133619668 152708192 164454976 167024585 190885240 205568720 218154560 234935680 267239336 305416384 328909952 334049170 381770480 411137440 436309120 534478672 610832768 668098340 763540960 822274880 1068957344 1336196680 1527081920 1644549760 2137914688 2672393360 3054163840 4275829376 5344786720 10689573440 21379146880
- Sum of all divisors σ(n): 64308130740
- Sum of proper divisors (its aliquot sum) s(n): 42928983860
- 21379146880 is an abundant number, because the sum of its proper divisors (42928983860) is greater than itself. Its abundance is 21549836980
Bases of 21379146880
- Binary: 100111110100100101111100100100000002
- Hexadecimal: 0x4FA4BE480
- Base-36: 9TKLBB4
Squares and roots of 21379146880
- 21379146880 squared (213791468802) is 457067921316613734400
- 21379146880 cubed (213791468803) is 9771722223964168011962908672000
-
The
square root of 21379146880 is 146216.0965147135 -
The
cube root of 21379146880 is 2775.4290116147
Scales and comparisons
How big is 21379146880?- 21,379,146,880 seconds is equal to 679 years, 41 weeks, 19 hours, 54 minutes, 40 seconds.
-
To count from 1 to 21,379,146,880 would take you about one thousand, three hundred fifty-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 21379146880 cubic inches would be around 231.3 feet tall.
Recreational maths with 21379146880
- 21379146880 backwards is 08864197312
- 21379146880 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21379146880's digits is 49
- More coming soon!
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