21521683040
21,521,683,040 is an even composite number composed of seven prime numbers multiplied together.
21521683040 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 21521683040:
25 × 5 × 11 × 13 × 19 × 31 × 1597
(2 × 2 × 2 × 2 × 2 × 5 × 11 × 13 × 19 × 31 × 1597)See below for interesting mathematical facts about the number 21521683040 from the Numbermatics database.
Names of 21521683040
- Cardinal: 21521683040 can be written as Twenty-one billion, five hundred twenty-one million, six hundred eighty-three thousand and forty.
Scientific notation
- Scientific notation: 2.152168304 × 1010
Factors of 21521683040
Divisors of 21521683040
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 4 5 8 10 11 13 16 19 20 22 26 31 32 38 40 44 52 55 62 65 76 80 88 95 104 110 124 130 143 152 155 160 176 190 208 209 220 247 248 260 286 304 310 341 352 380 403 416 418 440 494 496 520 572 589 608 620 682 715 760 806 836 880 988 992 1040 1045 1144 1178 1235 1240 1364 1430 1520 1597 1612 1672 1705 1760 1976 2015 2080 2090 2288 2356 2470 2480 2717 2728 2860 2945 3040 3194 3224 3344 3410 3952 4030 4180 4433 4576 4712 4940 4960 5434 5456 5720 5890 6388 6448 6479 6688 6820 7657 7904 7985 8060 8360 8866 9424 9880 10868 10912 11440 11780 12776 12896 12958 13585 13640 15314 15970 16120 16720 17567 17732 18848 19760 20761 21736 22165 22880 23560 25552 25916 27170 27280 30343 30628 31940 32240 32395 33440 35134 35464 38285 39520 41522 43472 44330 47120 49507 51104 51832 54340 54560 60686 61256 63880 64480 64790 70268 70928 76570 83044 84227 86944 87835 88660 94240 99014 103664 103805 108680 121372 122512 127760 129580 140536 141856 151715 153140 166088 168454 175670 177320 198028 207328 207610 217360 228371 242744 245024 247535 255520 259160 281072 303430 306280 332176 333773 336908 351340 354640 394459 396056 415220 421135 434720 456742 485488 495070 518320 544577 562144 606860 612560 643591 664352 667546 673816 702680 709280 788918 792112 830440 842270 913484 940633 970976 990140 1036640 1089154 1141855 1213720 1225120 1287182 1335092 1347632 1405360 1577836 1584224 1660880 1668865 1684540 1826968 1881266 1972295 1980280 2178308 2283710 2427440 2574364 2670184 2695264 2722885 2810720 3155672 3217955 3321760 3337730 3369080 3653936 3762532 3944590 3960560 4339049 4356616 4567420 4703165 4854880 5148728 5340368 5445770 6311344 6435910 6675460 6738160 7079501 7307872 7525064 7889180 7921120 8678098 8713232 9134840 9406330 10297456 10346963 10680736 10891540 12228229 12622688 12871820 13350920 13476320 14159002 15050128 15778360 17356196 17426464 18269680 18812660 20594912 20693926 21695245 21783080 24456458 25743640 26701840 28318004 30100256 31556720 34712392 35397505 36539360 37625320 41387852 43390490 43566160 48912916 51487280 51734815 53403680 56636008 61141145 63113440 69424784 70795010 75250640 82775704 86780980 87132320 97825832 102974560 103469630 113272016 122282290 134510519 138849568 141590020 150501280 165551408 173561960 195651664 206939260 226544032 244564580 269021038 283180040 331102816 347123920 391303328 413878520 489129160 538042076 566360080 672552595 694247840 827757040 978258320 1076084152 1132720160 1345105190 1655514080 1956516640 2152168304 2690210380 4304336608 5380420760 10760841520 21521683040
- Sum of all divisors σ(n): 64946810880
- Sum of proper divisors (its aliquot sum) s(n): 43425127840
- 21521683040 is an abundant number, because the sum of its proper divisors (43425127840) is greater than itself. Its abundance is 21903444800
Bases of 21521683040
- Binary: 101000000101100101011010010011000002
- Hexadecimal: 0x502CAD260
- Base-36: 9VXGCWW
Squares and roots of 21521683040
- 21521683040 squared (215216830402) is 463182840874223641600
- 21521683040 cubed (215216830403) is 9968474290861797720589758464000
-
The
square root of 21521683040 is 146702.7029062519 -
The
cube root of 21521683040 is 2781.5833431611
Scales and comparisons
How big is 21521683040?- 21,521,683,040 seconds is equal to 684 years, 16 weeks, 5 days, 13 hours, 17 minutes, 20 seconds.
-
To count from 1 to 21,521,683,040 would take you about one thousand, three hundred sixty-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 21521683040 cubic inches would be around 231.8 feet tall.
Recreational maths with 21521683040
- 21521683040 backwards is 04038612512
- 21521683040 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21521683040's digits is 32
- More coming soon!
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