21840985920
21,840,985,920 is an even composite number composed of six prime numbers multiplied together.
21840985920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 21840985920:
26 × 3 × 5 × 13 × 71 × 1572
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 13 × 71 × 157 × 157)See below for interesting mathematical facts about the number 21840985920 from the Numbermatics database.
Names of 21840985920
- Cardinal: 21840985920 can be written as Twenty-one billion, eight hundred forty million, nine hundred eighty-five thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.184098592 × 1010
Factors of 21840985920
Divisors of 21840985920
- Number of divisors d(n): 336
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 64 65 71 78 80 96 104 120 130 142 156 157 160 192 195 208 213 240 260 284 312 314 320 355 390 416 426 471 480 520 568 624 628 710 780 785 832 852 923 942 960 1040 1065 1136 1248 1256 1420 1560 1570 1704 1846 1884 2041 2080 2130 2272 2355 2496 2512 2769 2840 3120 3140 3408 3692 3768 4082 4160 4260 4544 4615 4710 5024 5538 5680 6123 6240 6280 6816 7384 7536 8164 8520 9230 9420 10048 10205 11076 11147 11360 12246 12480 12560 13632 13845 14768 15072 16328 17040 18460 18840 20410 22152 22294 22720 24492 24649 25120 27690 29536 30144 30615 32656 33441 34080 36920 37680 40820 44304 44588 48984 49298 50240 55380 55735 59072 61230 65312 66882 68160 73840 73947 75360 81640 88608 89176 97968 98596 110760 111470 122460 123245 130624 133764 144911 147680 147894 150720 163280 167205 177216 178352 195936 197192 221520 222940 244920 246490 267528 289822 295360 295788 320437 326560 334410 356704 369735 391872 394384 434733 443040 445880 489840 492980 535056 579644 591576 640874 653120 668820 713408 724555 739470 788768 869466 886080 891760 961311 979680 985960 1070112 1159288 1183152 1281748 1337640 1449110 1478940 1577536 1602185 1738932 1750079 1783520 1922622 1959360 1971920 2140224 2173665 2318576 2366304 2563496 2675280 2898220 2957880 3204370 3477864 3500158 3567040 3845244 3943840 4347330 4637152 4732608 4806555 5126992 5250237 5350560 5796440 5915760 6408740 6955728 7000316 7690488 7887680 8694660 8750395 9274304 9613110 10253984 10500474 10701120 11592880 11831520 12817480 13911456 14000632 15380976 17389320 17500790 19226220 20507968 21000948 22751027 23185760 23663040 25634960 26251185 27822912 28001264 30761952 34778640 35001580 38452440 42001896 45502054 46371520 51269920 52502370 56002528 61523904 68253081 69557280 70003160 76904880 84003792 91004108 102539840 105004740 112005056 113755135 136506162 139114560 140006320 153809760 168007584 182008216 210009480 227510270 273012324 280012640 307619520 336015168 341265405 364016432 420018960 455020540 546024648 560025280 682530810 728032864 840037920 910041080 1092049296 1365061620 1456065728 1680075840 1820082160 2184098592 2730123240 3640164320 4368197184 5460246480 7280328640 10920492960 21840985920
- Sum of all divisors σ(n): 76216629888
- Sum of proper divisors (its aliquot sum) s(n): 54375643968
- 21840985920 is an abundant number, because the sum of its proper divisors (54375643968) is greater than itself. Its abundance is 32534658048
Bases of 21840985920
- Binary: 101000101011101001011111111010000002
- Hexadecimal: 0x515D2FF40
- Base-36: A17K4LC
Squares and roots of 21840985920
- 21840985920 squared (218409859202) is 477028665957638246400
- 21840985920 cubed (218409859203) is 10418776376617160256075890688000
-
The
square root of 21840985920 is 147786.9612651941 -
The
cube root of 21840985920 is 2795.2720346503
Scales and comparisons
How big is 21840985920?- 21,840,985,920 seconds is equal to 694 years, 24 weeks, 5 days, 4 hours, 32 minutes.
-
To count from 1 to 21,840,985,920 would take you about one thousand, three hundred eighty-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 21840985920 cubic inches would be around 232.9 feet tall.
Recreational maths with 21840985920
- 21840985920 backwards is 02958904812
- 21840985920 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21840985920's digits is 48
- More coming soon!
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