21085220730720
21,085,220,730,720 is an even composite number composed of seven prime numbers multiplied together.
21085220730720 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 21085220730720:
25 × 3 × 5 × 37 × 89 × 683 × 19531
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 37 × 89 × 683 × 19531)See below for interesting mathematical facts about the number 21085220730720 from the Numbermatics database.
Names of 21085220730720
- Cardinal: 21085220730720 can be written as Twenty-one trillion, eighty-five billion, two hundred twenty million, seven hundred thirty thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.108522073072 × 1013
Factors of 21085220730720
Divisors of 21085220730720
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 37 40 48 60 74 80 89 96 111 120 148 160 178 185 222 240 267 296 356 370 444 445 480 534 555 592 683 712 740 888 890 1068 1110 1184 1335 1366 1424 1480 1776 1780 2049 2136 2220 2670 2732 2848 2960 3293 3415 3552 3560 4098 4272 4440 5340 5464 5920 6586 6830 7120 8196 8544 8880 9879 10245 10680 10928 13172 13660 14240 16392 16465 17760 19531 19758 20490 21360 21856 25271 26344 27320 32784 32930 39062 39516 40980 42720 49395 50542 52688 54640 58593 60787 65568 65860 75813 78124 79032 81960 97655 98790 101084 105376 109280 117186 121574 126355 131720 151626 156248 158064 163920 182361 195310 197580 202168 234372 243148 252710 263440 292965 303252 303935 312496 316128 327840 364722 379065 390620 395160 404336 468744 486296 505420 526880 585930 606504 607870 624992 722647 729444 758130 781240 790320 808672 911805 937488 972592 1010840 1171860 1213008 1215740 1445294 1458888 1516260 1562480 1580640 1738259 1823610 1874976 1945184 2021680 2167941 2249119 2343720 2426016 2431480 2890588 2917776 3032520 3124960 3476518 3613235 3647220 4043360 4335882 4498238 4687440 4862960 5214777 5781176 5835552 6065040 6747357 6953036 7226470 7294440 8671764 8691295 8996476 9374880 9725920 10429554 10839705 11245595 11562352 12130080 13339673 13494714 13906072 14452940 14588880 17343528 17382590 17992952 20859108 21679410 22491190 23124704 26073885 26679346 26989428 27812144 28905880 29177760 33736785 34687056 34765180 35985904 40019019 41718216 43358820 44982380 52147770 53358692 53978856 55624288 57811760 64315583 66698365 67473570 69374112 69530360 71971808 80038038 83436432 86717640 89964760 104295540 106717384 107957712 115623520 128631166 133396730 134947140 139060720 160076076 166872864 173435280 179929520 192946749 200095095 208591080 213434768 215915424 257262332 266793460 269894280 278121440 320152152 321577915 346870560 359859040 385893498 400190190 417182160 426869536 493567901 514524664 533586920 539788560 640304304 643155830 771786996 800380380 834364320 964733745 987135802 1029049328 1067173840 1079577120 1187230897 1280608608 1286311660 1480703703 1543573992 1600760760 1929467490 1974271604 2058098656 2134347680 2374461794 2467839505 2572623320 2961407406 3087147984 3201521520 3561692691 3858934980 3948543208 4748923588 4935679010 5145246640 5922814812 5936154485 6174295968 6403043040 7123385382 7403518515 7717869960 7897086416 9497847176 9871358020 10290493280 11845629624 11872308970 14246770764 14807037030 15435739920 15794172832 17808463455 18995694352 19742716040 23691259248 23744617940 28493541528 29614074060 30871479840 35616926910 37991388704 39485432080 43927543189 47382518496 47489235880 56987083056 59228148120 71233853820 78970864160 87855086378 94978471760 113974166112 118456296240 131782629567 142467707640 175710172756 189956943520 219637715945 236912592480 263565259134 284935415280 351420345512 439275431890 527130518268 569870830560 658913147835 702840691024 878550863780 1054261036536 1317826295670 1405681382048 1757101727560 2108522073072 2635652591340 3514203455120 4217044146144 5271305182680 7028406910240 10542610365360 21085220730720
- Sum of all divisors σ(n): 69084515243520
- Sum of proper divisors (its aliquot sum) s(n): 47999294512800
- 21085220730720 is an abundant number, because the sum of its proper divisors (47999294512800) is greater than itself. Its abundance is 26914073782080
Bases of 21085220730720
- Binary: 1001100101101010010010001011101110111011000002
- Hexadecimal: 0x132D49177760
- Base-36: 7H2F00ODC
Squares and roots of 21085220730720
- 21085220730720 squared (210852207307202) is 444586533263184450751718400
- 21085220730720 cubed (210852207307203) is 9374205187759833630753289695343669248000
-
The
square root of 21085220730720 is 4591864.6246073065 -
The
cube root of 21085220730720 is 27626.5116373945
Scales and comparisons
How big is 21085220730720?- 21,085,220,730,720 seconds is equal to 670,444 years, 41 weeks, 3 days, 14 hours, 32 minutes.
-
To count from 1 to 21,085,220,730,720 would take you about one million, six hundred seventy-six thousand, one hundred eleven 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 21085220730720 cubic inches would be around 2302.2 feet tall.
Recreational maths with 21085220730720
- 21085220730720 backwards is 02703702258012
- The number of decimal digits it has is: 14
- The sum of 21085220730720's digits is 39
- More coming soon!
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