21990329400
21,990,329,400 is an even composite number composed of seven prime numbers multiplied together.
21990329400 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21990329400:
23 × 3 × 52 × 13 × 79 × 127 × 281
(2 × 2 × 2 × 3 × 5 × 5 × 13 × 79 × 127 × 281)See below for interesting mathematical facts about the number 21990329400 from the Numbermatics database.
Names of 21990329400
- Cardinal: 21990329400 can be written as Twenty-one billion, nine hundred ninety million, three hundred twenty-nine thousand, four hundred.
Scientific notation
- Scientific notation: 2.19903294 × 1010
Factors of 21990329400
Divisors of 21990329400
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 20 24 25 26 30 39 40 50 52 60 65 75 78 79 100 104 120 127 130 150 156 158 195 200 237 254 260 281 300 312 316 325 381 390 395 474 508 520 562 600 632 635 650 762 780 790 843 948 975 1016 1027 1124 1185 1270 1300 1405 1524 1560 1580 1651 1686 1896 1905 1950 1975 2054 2248 2370 2540 2600 2810 3048 3081 3160 3175 3302 3372 3653 3810 3900 3950 4108 4215 4740 4953 5080 5135 5620 5925 6162 6350 6604 6744 7025 7306 7620 7800 7900 8216 8255 8430 9480 9525 9906 10033 10270 10959 11240 11850 12324 12700 13208 14050 14612 15240 15405 15800 16510 16860 18265 19050 19812 20066 20540 21075 21918 22199 23700 24648 24765 25400 25675 28100 29224 30099 30810 33020 33720 35687 36530 38100 39624 40132 41080 41275 42150 43836 44398 47400 49530 50165 51350 54795 56200 60198 61620 66040 66597 71374 73060 76200 77025 80264 82550 84300 87672 88796 91325 99060 100330 102700 107061 109590 110995 120396 123240 123825 130429 133194 142748 146120 150495 154050 165100 168600 177592 178435 182650 198120 200660 205400 214122 219180 221990 240792 247650 250825 260858 266388 273975 285496 288587 300990 308100 330200 332985 356870 365300 391287 401320 428244 438360 443980 463931 495300 501650 521716 532776 535305 547950 554975 577174 601980 616200 652145 665970 713740 730600 752475 782574 856488 865761 887960 892175 927862 990600 1003300 1043432 1070610 1095900 1109950 1154348 1203960 1304290 1331940 1391793 1427480 1442935 1504950 1565148 1664925 1731522 1784350 1855724 1956435 2006600 2141220 2191800 2219900 2308696 2319655 2608580 2663880 2676525 2783586 2819273 2885870 3009900 3130296 3260725 3329850 3463044 3568700 3711448 3912870 4282440 4328805 4439800 4639310 5217160 5353050 5567172 5638546 5771740 6019800 6521450 6659700 6926088 6958965 7137400 7214675 7825740 8457819 8657610 9278620 9782175 10706100 11134344 11277092 11543480 11598275 13042900 13319400 13917930 14096365 14429350 15651480 16915638 17315220 18557240 19564350 21412200 21644025 22554184 23196550 26085800 27835860 28192730 28858700 33831276 34630440 34794825 36650549 39128700 42289095 43288050 46393100 55671720 56385460 57717400 67662552 69589650 70481825 73301098 78257400 84578190 86576100 92786200 109951647 112770920 139179300 140963650 146602196 169156380 173152200 183252745 211445475 219903294 278358600 281927300 293204392 338312760 366505490 422890950 439806588 549758235 563854600 733010980 845781900 879613176 916263725 1099516470 1466021960 1691563800 1832527450 2199032940 2748791175 3665054900 4398065880 5497582350 7330109800 10995164700 21990329400
- Sum of all divisors σ(n): 75195187200
- Sum of proper divisors (its aliquot sum) s(n): 53204857800
- 21990329400 is an abundant number, because the sum of its proper divisors (53204857800) is greater than itself. Its abundance is 31214528400
Bases of 21990329400
- Binary: 101000111101011100111001100001110002
- Hexadecimal: 0x51EB9CC38
- Base-36: A3OH2RC
Squares and roots of 21990329400
- 21990329400 squared (219903294002) is 483574587120504360000
- 21990329400 cubed (219903294003) is 10633964460248888370536184000000
-
The
square root of 21990329400 is 148291.3665727039 -
The
cube root of 21990329400 is 2801.6287037925
Scales and comparisons
How big is 21990329400?- 21,990,329,400 seconds is equal to 699 years, 11 weeks, 4 days, 16 hours, 50 minutes.
-
To count from 1 to 21,990,329,400 would take you about one thousand, three hundred ninety-eight 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 21990329400 cubic inches would be around 233.5 feet tall.
Recreational maths with 21990329400
- 21990329400 backwards is 00492309912
- 21990329400 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21990329400's digits is 39
- More coming soon!
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The information we have on file for 21990329400 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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