21328298640
21,328,298,640 is an even composite number composed of seven prime numbers multiplied together.
21328298640 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 21328298640:
24 × 32 × 5 × 11 × 61 × 131 × 337
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 11 × 61 × 131 × 337)See below for interesting mathematical facts about the number 21328298640 from the Numbermatics database.
Names of 21328298640
- Cardinal: 21328298640 can be written as Twenty-one billion, three hundred twenty-eight million, two hundred ninety-eight thousand, six hundred forty.
Scientific notation
- Scientific notation: 2.132829864 × 1010
Factors of 21328298640
Divisors of 21328298640
- Number of divisors d(n): 480
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 33 36 40 44 45 48 55 60 61 66 72 80 88 90 99 110 120 122 131 132 144 165 176 180 183 198 220 240 244 262 264 305 330 337 360 366 393 396 440 488 495 524 528 549 610 655 660 671 674 720 732 786 792 880 915 976 990 1011 1048 1098 1179 1220 1310 1320 1342 1348 1441 1464 1572 1584 1685 1830 1965 1980 2013 2022 2096 2196 2358 2440 2620 2640 2684 2696 2745 2882 2928 3033 3144 3355 3370 3660 3707 3930 3960 4026 4044 4323 4392 4716 4880 5055 5240 5368 5392 5490 5764 5895 6039 6066 6288 6710 6740 7205 7320 7414 7860 7920 7991 8052 8088 8646 8784 9432 10065 10110 10480 10736 10980 11121 11528 11790 12078 12132 12969 13420 13480 14410 14640 14828 15165 15720 15982 16104 16176 17292 18535 18864 20130 20220 20557 21615 21960 22242 23056 23580 23973 24156 24264 25938 26840 26960 28820 29656 30195 30330 31440 31964 32208 33363 34584 37070 39955 40260 40440 41114 43230 43920 44147 44484 47160 47946 48312 48528 51876 53680 55605 57640 59312 60390 60660 61671 63928 64845 66726 69168 71919 74140 79910 80520 80880 82228 86460 87901 88294 88968 94320 95892 96624 102785 103752 111210 115280 119865 120780 121320 123342 127856 129690 132441 133452 143838 148280 159820 161040 164456 166815 172920 175802 176588 177936 185013 191784 205570 207504 220735 222420 226127 239730 241560 242640 246684 259380 263703 264882 266904 287676 296560 308355 319640 328912 333630 345840 351604 353176 359595 370026 383568 397323 411140 439505 441470 444840 452254 479460 483120 485617 493368 518760 527406 529764 533808 575352 616710 639280 662205 667260 678381 703208 706352 719190 740052 791109 794646 822280 879010 882940 889680 904508 925065 958920 971234 986736 1037520 1054812 1059528 1130635 1150704 1233420 1318515 1324410 1334520 1356762 1406416 1438380 1456851 1480104 1582218 1589292 1644560 1758020 1765880 1809016 1850130 1917840 1942468 1986615 2035143 2109624 2119056 2261270 2428085 2466840 2637030 2648820 2669040 2692967 2713524 2876760 2913702 2960208 3164436 3178584 3391905 3516040 3531760 3618032 3700260 3884936 3955545 3973230 4070286 4219248 4370553 4522540 4856170 4933680 5274060 5297640 5385934 5427048 5753520 5827404 6328872 6357168 6783810 7032080 7284255 7400520 7769872 7911090 7946460 8078901 8140572 8741106 9045080 9712340 10175715 10548120 10595280 10771868 10854096 11654808 12657744 13464835 13567620 14568510 14801040 15822180 15892920 16157802 16281144 17482212 18090160 19424680 20351430 21096240 21543736 21852765 23309616 24236703 26929670 27135240 29137020 29622637 31644360 31785840 32315604 32562288 34964424 38849360 40394505 40702860 43087472 43705530 48473406 53859340 54270480 58274040 59245274 63288720 64631208 69928848 80789010 81405720 87411060 88867911 96946812 107718680 116548080 118490548 121183515 129262416 148113185 161578020 162811440 174822120 177735822 193893624 215437360 236981096 242367030 266603733 296226370 323156040 349644240 355471644 387787248 444339555 473962192 484734060 533207466 592452740 646312080 710943288 888679110 969468120 1066414932 1184905480 1333018665 1421886576 1777358220 1938936240 2132829864 2369810960 2666037330 3554716440 4265659728 5332074660 7109432880 10664149320 21328298640
- Sum of all divisors σ(n): 80263827072
- Sum of proper divisors (its aliquot sum) s(n): 58935528432
- 21328298640 is an abundant number, because the sum of its proper divisors (58935528432) is greater than itself. Its abundance is 37607229792
Bases of 21328298640
- Binary: 100111101110100010000000010100100002
- Hexadecimal: 0x4F7440290
- Base-36: 9SQBGK0
Squares and roots of 21328298640
- 21328298640 squared (213282986402) is 454896322877025849600
- 21328298640 cubed (213282986403) is 9702164624559071315268524544000
-
The
square root of 21328298640 is 146042.1125566185 -
The
cube root of 21328298640 is 2773.2269014001
Scales and comparisons
How big is 21328298640?- 21,328,298,640 seconds is equal to 678 years, 9 weeks, 7 hours, 24 minutes.
-
To count from 1 to 21,328,298,640 would take you about one thousand, three hundred fifty-six 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 21328298640 cubic inches would be around 231.1 feet tall.
Recreational maths with 21328298640
- 21328298640 backwards is 04689282312
- 21328298640 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21328298640's digits is 45
- More coming soon!
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