21037357440
21,037,357,440 is an even composite number composed of six prime numbers multiplied together.
21037357440 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21037357440:
27 × 32 × 5 × 11 × 547 × 607
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 11 × 547 × 607)See below for interesting mathematical facts about the number 21037357440 from the Numbermatics database.
Names of 21037357440
- Cardinal: 21037357440 can be written as Twenty-one billion, thirty-seven million, three hundred fifty-seven thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.103735744 × 1010
Factors of 21037357440
Divisors of 21037357440
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 32 33 36 40 44 45 48 55 60 64 66 72 80 88 90 96 99 110 120 128 132 144 160 165 176 180 192 198 220 240 264 288 320 330 352 360 384 396 440 480 495 528 547 576 607 640 660 704 720 792 880 960 990 1056 1094 1152 1214 1320 1408 1440 1584 1641 1760 1821 1920 1980 2112 2188 2428 2640 2735 2880 3035 3168 3282 3520 3642 3960 4224 4376 4856 4923 5280 5463 5470 5760 6017 6070 6336 6564 6677 7040 7284 7920 8205 8752 9105 9712 9846 10560 10926 10940 12034 12140 12672 13128 13354 14568 15840 16410 17504 18051 18210 19424 19692 20031 21120 21852 21880 24068 24280 24615 26256 26708 27315 29136 30085 31680 32820 33385 35008 36102 36420 38848 39384 40062 43704 43760 48136 48560 49230 52512 53416 54153 54630 58272 60093 60170 63360 65640 66770 70016 72204 72840 77696 78768 80124 87408 87520 90255 96272 97120 98460 100155 105024 106832 108306 109260 116544 120186 120340 131280 133540 144408 145680 157536 160248 174816 175040 180510 192544 194240 196920 200310 210048 213664 216612 218520 233088 240372 240680 262560 267080 270765 288816 291360 300465 315072 320496 332029 349632 350080 361020 385088 388480 393840 400620 427328 433224 437040 480744 481360 525120 534160 541530 577632 582720 600930 630144 640992 664058 699264 722040 770176 787680 801240 854656 866448 874080 961488 962720 996087 1050240 1068320 1083060 1155264 1165440 1201860 1281984 1328116 1444080 1575360 1602480 1660145 1732896 1748160 1922976 1925440 1992174 2136640 2166120 2310528 2403720 2563968 2656232 2888160 2988261 3150720 3204960 3320290 3465792 3496320 3652319 3845952 3850880 3984348 4273280 4332240 4807440 4980435 5312464 5776320 5976522 6409920 6640580 6931584 7304638 7691904 7968696 8664480 9614880 9960870 10624928 10956957 11552640 11953044 12819840 13281160 14609276 14941305 15937392 17328960 18261595 19229760 19921740 21249856 21913914 23906088 26562320 29218552 29882610 31874784 32870871 34657920 36523190 38459520 39843480 42499712 43827828 47812176 53124640 54784785 58437104 59765220 63749568 65741742 73046380 79686960 87655656 95624352 106249280 109569570 116874208 119530440 127499136 131483484 146092760 159373920 164354355 175311312 191248704 212498560 219139140 233748416 239060880 262966968 292185520 318747840 328708710 350622624 382497408 438278280 467496832 478121760 525933936 584371040 637495680 657417420 701245248 876556560 956243520 1051867872 1168742080 1314834840 1402490496 1753113120 1912487040 2103735744 2337484160 2629669680 3506226240 4207471488 5259339360 7012452480 10518678720 21037357440
- Sum of all divisors σ(n): 79524357120
- Sum of proper divisors (its aliquot sum) s(n): 58486999680
- 21037357440 is an abundant number, because the sum of its proper divisors (58486999680) is greater than itself. Its abundance is 37449642240
Bases of 21037357440
- Binary: 100111001011110110010011001100000002
- Hexadecimal: 0x4E5EC9980
- Base-36: 9NX3KW0
Squares and roots of 21037357440
- 21037357440 squared (210373574402) is 442570408058323353600
- 21037357440 cubed (210373574403) is 9310511866689604756782710784000
-
The
square root of 21037357440 is 145042.6056026295 -
The
cube root of 21037357440 is 2760.5591809671
Scales and comparisons
How big is 21037357440?- 21,037,357,440 seconds is equal to 668 years, 47 weeks, 6 days, 22 hours, 24 minutes.
-
To count from 1 to 21,037,357,440 would take you about one thousand, three hundred thirty-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 21037357440 cubic inches would be around 230 feet tall.
Recreational maths with 21037357440
- 21037357440 backwards is 04475373012
- 21037357440 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21037357440's digits is 36
- More coming soon!
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