21498381828
21,498,381,828 is an even composite number composed of seven prime numbers multiplied together.
What does the number 21498381828 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 384 divisors.
21498381828 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 21498381828:
22 × 33 × 7 × 11 × 31 × 89 × 937
(2 × 2 × 3 × 3 × 3 × 7 × 11 × 31 × 89 × 937)See below for interesting mathematical facts about the number 21498381828 from the Numbermatics database.
Names of 21498381828
- Cardinal: 21498381828 can be written as Twenty-one billion, four hundred ninety-eight million, three hundred eighty-one thousand, eight hundred twenty-eight.
Scientific notation
- Scientific notation: 2.1498381828 × 1010
Factors of 21498381828
Divisors of 21498381828
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 6 7 9 11 12 14 18 21 22 27 28 31 33 36 42 44 54 62 63 66 77 84 89 93 99 108 124 126 132 154 178 186 189 198 217 231 252 267 279 297 308 341 356 372 378 396 434 462 534 558 594 623 651 682 693 756 801 837 868 924 937 979 1023 1068 1116 1188 1246 1302 1364 1386 1602 1674 1869 1874 1953 1958 2046 2079 2387 2403 2492 2604 2759 2772 2811 2937 3069 3204 3348 3738 3748 3906 3916 4092 4158 4774 4806 5518 5607 5622 5859 5874 6138 6559 6853 7161 7476 7812 8277 8316 8433 8811 9207 9548 9612 10307 11036 11214 11244 11718 11748 12276 13118 13706 14322 16554 16821 16866 17622 18414 19313 19677 20559 20614 21483 22428 23436 24831 25299 26236 26433 27412 28644 29047 30349 30921 33108 33642 33732 35244 36828 38626 39354 41118 41228 42966 49662 50598 52866 57939 58094 59031 60698 61677 61842 64449 67284 72149 74493 77252 78708 82236 83393 85932 87141 91047 92763 99324 101196 105732 115878 116188 118062 121396 123354 123684 128898 144298 148986 166786 173817 174282 177093 182094 185031 185526 203329 212443 216447 231756 236124 246708 250179 257796 261423 273141 278289 288596 297972 319517 333572 347634 348564 354186 364188 370062 371052 406658 424886 432894 500358 521451 522846 546282 556578 583751 609987 637329 639034 649341 695268 708372 740124 750537 784269 813316 819423 849772 865788 917323 958551 1000716 1042902 1045692 1092564 1113156 1167502 1219974 1274658 1278068 1298682 1501074 1568538 1638846 1751253 1829961 1834646 1911987 1917102 1948023 2085804 2236619 2251611 2335004 2439948 2549316 2585183 2597364 2751969 2875653 3002148 3137076 3277692 3502506 3659922 3669292 3823974 3834204 3896046 4473238 4503222 5170366 5253759 5489883 5503938 5735961 5751306 6421261 6709857 7005012 7319844 7647948 7755549 7792092 8255907 8626959 8946476 9006444 10340732 10507518 10979766 11007876 11471922 11502612 12842522 13419714 15511098 15761277 16511814 17253918 18096281 19263783 20129571 21015036 21959532 22943844 23266647 24767721 25685044 26839428 28437013 31022196 31522554 33023628 34507836 36192562 38527566 40259142 46533294 49535442 54288843 56874026 57791349 60388713 63045108 69799941 72385124 77055132 80518284 85311039 93066588 99070884 108577686 113748052 115582698 120777426 139599882 162866529 170622078 173374047 199059091 217155372 231165396 241554852 255933117 279199764 325733058 341244156 346748094 398118182 488599587 511866234 597177273 651466116 693496188 767799351 796236364 977199174 1023732468 1194354546 1535598702 1791531819 1954398348 2388709092 3071197404 3583063638 5374595457 7166127276 10749190914 21498381828
- Sum of all divisors σ(n): 72614707200
- Sum of proper divisors (its aliquot sum) s(n): 51116325372
- 21498381828 is an abundant number, because the sum of its proper divisors (51116325372) is greater than itself. Its abundance is 29617943544
Bases of 21498381828
- Binary: 101000000010110011101000110000001002
- Hexadecimal: 0x501674604
- Base-36: 9VJKXL0
Squares and roots of 21498381828
- 21498381828 squared (214983818282) is 462180421222480621584
- 21498381828 cubed (214983818283) is 9936131168866762940143610175552
-
The
square root of 21498381828 is 146623.2649616015 -
The
cube root of 21498381828 is 2780.5791207637
Scales and comparisons
How big is 21498381828?- 21,498,381,828 seconds is equal to 683 years, 30 weeks, 1 day, 20 hours, 43 minutes, 48 seconds.
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To count from 1 to 21,498,381,828 would take you about one thousand, three hundred sixty-seven 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 21498381828 cubic inches would be around 231.7 feet tall.
Recreational maths with 21498381828
- 21498381828 backwards is 82818389412
- 21498381828 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21498381828's digits is 54
- More coming soon!
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The information we have on file for 21498381828 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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