21379730736
21,379,730,736 is an even composite number composed of seven prime numbers multiplied together.
21379730736 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21379730736:
24 × 3 × 7 × 13 × 47 × 223 × 467
(2 × 2 × 2 × 2 × 3 × 7 × 13 × 47 × 223 × 467)See below for interesting mathematical facts about the number 21379730736 from the Numbermatics database.
Names of 21379730736
- Cardinal: 21379730736 can be written as Twenty-one billion, three hundred seventy-nine million, seven hundred thirty thousand, seven hundred thirty-six.
Scientific notation
- Scientific notation: 2.1379730736 × 1010
Factors of 21379730736
Divisors of 21379730736
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 47 48 52 56 78 84 91 94 104 112 141 156 168 182 188 208 223 273 282 312 329 336 364 376 446 467 546 564 611 624 658 669 728 752 892 934 987 1092 1128 1222 1316 1338 1401 1456 1561 1784 1833 1868 1974 2184 2256 2444 2632 2676 2802 2899 3122 3269 3568 3666 3736 3948 4277 4368 4683 4888 5264 5352 5604 5798 6071 6244 6538 7332 7472 7896 8554 8697 9366 9776 9807 10481 10704 11208 11596 12142 12488 12831 13076 14664 15792 17108 17394 18213 18732 19614 20293 20962 21949 22416 23192 24284 24976 25662 26152 29328 31443 34216 34788 36426 37464 39228 40586 41924 42497 43898 46384 48568 51324 52304 60879 62886 65847 68432 69576 72852 73367 74928 78456 81172 83848 84994 87796 97136 102648 104141 121758 125772 127491 131694 136253 139152 145704 146734 153643 156912 162344 167696 169988 175592 205296 208282 220101 243516 251544 254982 263388 272506 285337 291408 293468 307286 312423 324688 339976 351184 408759 416564 440202 460929 487032 503088 509964 526776 545012 570674 586936 614572 624846 679952 728987 817518 833128 856011 880404 921858 953771 974064 1019928 1053552 1090024 1141348 1173872 1229144 1249692 1353833 1457974 1635036 1666256 1712022 1760808 1843716 1907542 1997359 2039856 2180048 2186961 2282696 2458288 2499384 2707666 2861313 2915948 3270072 3424044 3521616 3687432 3815084 3994718 4061499 4373922 4565392 4894627 4998768 5415332 5722626 5831896 5992077 6540144 6848088 7374864 7630168 7989436 8122998 8747844 9476831 9789254 10830664 11445252 11663792 11984154 13696176 14683881 15260336 15978872 16245996 17495688 18953662 19578508 21661328 22890504 23968308 28430493 29367762 31957744 32491992 34262389 34991376 37907324 39157016 45781008 47936616 56860986 58735524 63630151 64983984 68524778 75814648 78314032 95873232 102787167 113721972 117471048 127260302 137049556 151629296 190890453 205574334 227443944 234942096 254520604 274099112 381780906 411148668 445411057 454887888 509041208 548198224 763561812 822297336 890822114 1018082416 1336233171 1527123624 1644594672 1781644228 2672466342 3054247248 3563288456 5344932684 7126576912 10689865368 21379730736
- Sum of all divisors σ(n): 69883527168
- Sum of proper divisors (its aliquot sum) s(n): 48503796432
- 21379730736 is an abundant number, because the sum of its proper divisors (48503796432) is greater than itself. Its abundance is 27124065696
Bases of 21379730736
- Binary: 100111110100101010011001101001100002
- Hexadecimal: 0x4FA54CD30
- Base-36: 9TKXTTC
Squares and roots of 21379730736
- 21379730736 squared (213797307362) is 457092886343863101696
- 21379730736 cubed (213797307363) is 9772522831372844620306264928256
-
The
square root of 21379730736 is 146218.0930528093 -
The
cube root of 21379730736 is 2775.4542766723
Scales and comparisons
How big is 21379730736?- 21,379,730,736 seconds is equal to 679 years, 42 weeks, 14 hours, 5 minutes, 36 seconds.
-
To count from 1 to 21,379,730,736 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 21379730736 cubic inches would be around 231.3 feet tall.
Recreational maths with 21379730736
- 21379730736 backwards is 63703797312
- 21379730736 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21379730736's digits is 48
- More coming soon!
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