21362553840
21,362,553,840 is an even composite number composed of seven prime numbers multiplied together.
21362553840 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 21362553840:
24 × 3 × 5 × 31 × 37 × 71 × 1093
(2 × 2 × 2 × 2 × 3 × 5 × 31 × 37 × 71 × 1093)See below for interesting mathematical facts about the number 21362553840 from the Numbermatics database.
Names of 21362553840
- Cardinal: 21362553840 can be written as Twenty-one billion, three hundred sixty-two million, five hundred fifty-three thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.136255384 × 1010
Factors of 21362553840
Divisors of 21362553840
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 37 40 48 60 62 71 74 80 93 111 120 124 142 148 155 185 186 213 222 240 248 284 296 310 355 370 372 426 444 465 496 555 568 592 620 710 740 744 852 888 930 1065 1093 1110 1136 1147 1240 1420 1480 1488 1704 1776 1860 2130 2186 2201 2220 2294 2480 2627 2840 2960 3279 3408 3441 3720 4260 4372 4402 4440 4588 5254 5465 5680 5735 6558 6603 6882 7440 7881 8520 8744 8804 8880 9176 10508 10930 11005 11470 13116 13135 13206 13764 15762 16395 17040 17205 17488 17608 18352 21016 21860 22010 22940 26232 26270 26412 27528 31524 32790 33015 33883 34410 35216 39405 40441 42032 43720 44020 45880 52464 52540 52824 55056 63048 65580 66030 67766 68820 77603 78810 80882 81437 87440 88040 91760 101649 105080 105648 121323 126096 131160 132060 135532 137640 155206 157620 161764 162874 169415 176080 202205 203298 210160 232809 242646 244311 262320 264120 271064 275280 310412 315240 323528 325748 338830 388015 404410 406596 407185 465618 485292 488622 508245 528240 542128 606615 620824 630480 647056 651496 677660 776030 808820 813192 814370 931236 970584 977244 1016490 1164045 1213230 1221555 1241648 1253671 1302992 1355320 1552060 1617640 1626384 1628740 1862472 1941168 1954488 2032980 2328090 2405693 2426460 2443110 2507342 2710640 2871311 3104120 3235280 3257480 3724944 3761013 3908976 4065960 4656180 4811386 4852920 4886220 5014684 5742622 6208240 6268355 6514960 7217079 7522026 8131920 8613933 9312360 9622772 9705840 9772440 10029368 11485244 12028465 12536710 14356555 14434158 15044052 17227866 18624720 18805065 19245544 19544880 20058736 22970488 24056930 25073420 28713110 28868316 30088104 34455732 36085395 37610130 38491088 43069665 45940976 48113860 50146840 57426220 57736632 60176208 68911464 72170790 75220260 86139330 89010641 96227720 100293680 114852440 115473264 137822928 144341580 150440520 172278660 178021282 192455440 229704880 267031923 288683160 300881040 344557320 356042564 445053205 534063846 577366320 689114640 712085128 890106410 1068127692 1335159615 1424170256 1780212820 2136255384 2670319230 3560425640 4272510768 5340638460 7120851280 10681276920 21362553840
- Sum of all divisors σ(n): 71261724672
- Sum of proper divisors (its aliquot sum) s(n): 49899170832
- 21362553840 is an abundant number, because the sum of its proper divisors (49899170832) is greater than itself. Its abundance is 28536616992
Bases of 21362553840
- Binary: 100111110010100111010110011111100002
- Hexadecimal: 0x4F94EB3F0
- Base-36: 9TAPO1C
Squares and roots of 21362553840
- 21362553840 squared (213625538402) is 456358706566898745600
- 21362553840 cubed (213625538403) is 9748987439388136014708463104000
-
The
square root of 21362553840 is 146159.3440050961 -
The
cube root of 21362553840 is 2774.7107926833
Scales and comparisons
How big is 21362553840?- 21,362,553,840 seconds is equal to 679 years, 13 weeks, 4 days, 18 hours, 44 minutes.
-
To count from 1 to 21,362,553,840 would take you about one thousand, three hundred fifty-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 21362553840 cubic inches would be around 231.2 feet tall.
Recreational maths with 21362553840
- 21362553840 backwards is 04835526312
- The number of decimal digits it has is: 11
- The sum of 21362553840's digits is 39
- More coming soon!
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