21990709440
21,990,709,440 is an even composite number composed of six prime numbers multiplied together.
What does the number 21990709440 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 560 divisors.
21990709440 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of five hundred sixty divisors.
Prime factorization of 21990709440:
26 × 34 × 5 × 7 × 19 × 6379
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 7 × 19 × 6379)See below for interesting mathematical facts about the number 21990709440 from the Numbermatics database.
Names of 21990709440
- Cardinal: 21990709440 can be written as Twenty-one billion, nine hundred ninety million, seven hundred nine thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.199070944 × 1010
Factors of 21990709440
Divisors of 21990709440
- Number of divisors d(n): 560
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 19 20 21 24 27 28 30 32 35 36 38 40 42 45 48 54 56 57 60 63 64 70 72 76 80 81 84 90 95 96 105 108 112 114 120 126 133 135 140 144 152 160 162 168 171 180 189 190 192 210 216 224 228 240 252 266 270 280 285 288 304 315 320 324 336 342 360 378 380 399 405 420 432 448 456 480 504 513 532 540 560 567 570 576 608 630 648 665 672 684 720 756 760 798 810 840 855 864 912 945 960 1008 1026 1064 1080 1120 1134 1140 1197 1216 1260 1296 1330 1344 1368 1440 1512 1520 1539 1596 1620 1680 1710 1728 1824 1890 1995 2016 2052 2128 2160 2240 2268 2280 2394 2520 2565 2592 2660 2736 2835 2880 3024 3040 3078 3192 3240 3360 3420 3591 3648 3780 3990 4032 4104 4256 4320 4536 4560 4788 5040 5130 5184 5320 5472 5670 5985 6048 6080 6156 6379 6384 6480 6720 6840 7182 7560 7695 7980 8208 8512 8640 9072 9120 9576 10080 10260 10640 10773 10944 11340 11970 12096 12312 12758 12768 12960 13680 14364 15120 15390 15960 16416 17955 18144 18240 19137 19152 20160 20520 21280 21546 22680 23940 24624 25516 25536 25920 27360 28728 30240 30780 31895 31920 32832 35910 36288 38274 38304 41040 42560 43092 44653 45360 47880 49248 51032 53865 54720 57411 57456 60480 61560 63790 63840 71820 76548 76608 82080 86184 89306 90720 95685 95760 98496 102064 107730 114822 114912 121201 123120 127580 127680 133959 143640 153096 164160 172233 172368 178612 181440 191370 191520 204128 215460 223265 229644 229824 242402 246240 255160 267918 287055 287280 306192 344466 344736 357224 363603 382740 383040 401877 408256 430920 446530 459288 484804 492480 510320 516699 535836 574110 574560 606005 612384 669795 688932 689472 714448 727206 765480 803754 848407 861165 861840 893060 918576 969608 1020640 1033398 1071672 1090809 1148220 1149120 1205631 1212010 1224768 1339590 1377864 1428896 1454412 1530960 1607508 1696814 1722330 1723680 1786120 1818015 1837152 1939216 2009385 2041280 2066796 2143344 2181618 2296440 2411262 2424020 2545221 2583495 2679180 2755728 2857792 2908824 3061920 3215016 3272427 3393628 3444660 3447360 3572240 3616893 3636030 3674304 3878432 4018770 4133592 4242035 4286688 4363236 4592880 4822524 4848040 5090442 5166990 5358360 5454045 5511456 5817648 6028155 6123840 6430032 6544854 6787256 6889320 7144480 7233786 7272060 7635663 7756864 8037540 8267184 8484070 8573376 8726472 9185760 9645048 9696080 9817281 10180884 10333980 10716720 10908090 11022912 11635296 12056310 12726105 12860064 13089708 13574512 13778640 14288960 14467572 14544120 15271326 16075080 16362135 16534368 16968140 17452944 18084465 18371520 19290096 19392160 19634562 20361768 20667960 21433440 21816180 22906989 23270592 24112620 25452210 25720128 26179416 27149024 27557280 28935144 29088240 30542652 32150160 32724270 33068736 33936280 34905888 36168930 38178315 38580192 38784320 39269124 40723536 41335920 42866880 43632360 45813978 48225240 49086405 50904420 52358832 54298048 55114560 57870288 58176480 61085304 64300320 65448540 67872560 68720967 69811776 72337860 76356630 77160384 78538248 81447072 82671840 87264720 91627956 96450480 98172810 101808840 104717664 114534945 115740576 116352960 122170608 128600640 130897080 135745120 137441934 144675720 152713260 157076496 162894144 165343680 174529440 183255912 192900960 196345620 203617680 209435328 229069890 231481152 244341216 261794160 271490240 274883868 289351440 305426520 314152992 343604835 349058880 366511824 385801920 392691240 407235360 458139780 488682432 523588320 549767736 578702880 610853040 628305984 687209670 733023648 785382480 814470720 916279560 1047176640 1099535472 1157405760 1221706080 1374419340 1466047296 1570764960 1832559120 2199070944 2443412160 2748838680 3141529920 3665118240 4398141888 5497677360 7330236480 10995354720 21990709440
- Sum of all divisors σ(n): 94119801600
- Sum of proper divisors (its aliquot sum) s(n): 72129092160
- 21990709440 is an abundant number, because the sum of its proper divisors (72129092160) is greater than itself. Its abundance is 50138382720
Bases of 21990709440
- Binary: 101000111101011111110011000110000002
- Hexadecimal: 0x51EBF98C0
- Base-36: A3OP800
Squares and roots of 21990709440
- 21990709440 squared (219907094402) is 483591301674505113600
- 21990709440 cubed (219907094403) is 10634515802835427408971792384000
-
The
square root of 21990709440 is 148292.6479634105 -
The
cube root of 21990709440 is 2801.6448430815
Scales and comparisons
How big is 21990709440?- 21,990,709,440 seconds is equal to 699 years, 12 weeks, 2 days, 2 hours, 24 minutes.
-
To count from 1 to 21,990,709,440 would take you about one thousand, three hundred ninety-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 21990709440 cubic inches would be around 233.5 feet tall.
Recreational maths with 21990709440
- 21990709440 backwards is 04490709912
- 21990709440 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21990709440's digits is 45
- More coming soon!
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