21424938840
21,424,938,840 is an even composite number composed of seven prime numbers multiplied together.
21424938840 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 21424938840:
23 × 32 × 5 × 17 × 19 × 23 × 8011
(2 × 2 × 2 × 3 × 3 × 5 × 17 × 19 × 23 × 8011)See below for interesting mathematical facts about the number 21424938840 from the Numbermatics database.
Names of 21424938840
- Cardinal: 21424938840 can be written as Twenty-one billion, four hundred twenty-four million, nine hundred thirty-eight thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.142493884 × 1010
Factors of 21424938840
Divisors of 21424938840
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 17 18 19 20 23 24 30 34 36 38 40 45 46 51 57 60 68 69 72 76 85 90 92 95 102 114 115 120 136 138 152 153 170 171 180 184 190 204 207 228 230 255 276 285 306 323 340 342 345 360 380 391 408 414 437 456 460 510 552 570 612 646 680 684 690 760 765 782 828 855 874 920 969 1020 1035 1140 1173 1224 1292 1311 1368 1380 1530 1564 1615 1656 1710 1748 1938 1955 2040 2070 2185 2280 2346 2584 2622 2760 2907 3060 3128 3230 3420 3496 3519 3876 3910 3933 4140 4370 4692 4845 5244 5814 5865 6120 6460 6555 6840 7038 7429 7752 7820 7866 8011 8280 8740 9384 9690 10488 11628 11730 12920 13110 14076 14535 14858 15640 15732 16022 17480 17595 19380 19665 22287 23256 23460 24033 26220 28152 29070 29716 31464 32044 35190 37145 38760 39330 40055 44574 46920 48066 52440 58140 59432 64088 66861 70380 72099 74290 78660 80110 89148 96132 111435 116280 120165 133722 136187 140760 144198 148580 152209 157320 160220 178296 184253 192264 222870 240330 267444 272374 288396 297160 304418 320440 334305 360495 368506 408561 445740 456627 480660 534888 544748 552759 576792 608836 668610 680935 720990 737012 761045 817122 891480 913254 921265 961320 1089496 1105518 1217672 1225683 1337220 1361870 1369881 1441980 1474024 1522090 1634244 1658277 1826508 1842530 2042805 2211036 2283135 2451366 2587553 2674440 2723740 2739762 2763795 2883960 3044180 3132301 3268488 3316554 3500807 3653016 3685060 4085610 4422072 4566270 4902732 5175106 5447480 5479524 5527590 6088360 6128415 6264602 6633108 6849405 7001614 7370120 7762659 8171220 8291385 9132540 9396903 9805464 10350212 10502421 10959048 11055180 12256830 12529204 12937765 13266216 13698810 14003228 15525318 15661505 16342440 16582770 17504035 18265080 18793806 20700424 21004842 22110360 23287977 24513660 25058408 25875530 27397620 28006456 28190709 31050636 31323010 31507263 33165540 35008070 37587612 38813295 42009684 46575954 46984515 49027320 51751060 52512105 54795240 56381418 59513719 62101272 62646020 63014526 66331080 70016140 75175224 77626590 84019368 93151908 93969030 103502120 105024210 112762836 116439885 119027438 125292040 126029052 140032280 140953545 155253180 157536315 178541157 186303816 187938060 210048420 225525672 232879770 238054876 252058104 281907090 297568595 310506360 315072630 357082314 375876120 420096840 465759540 476109752 535623471 563814180 595137190 630145260 714164628 892705785 931519080 1071246942 1127628360 1190274380 1260290520 1428329256 1785411570 2142493884 2380548760 2678117355 3570823140 4284987768 5356234710 7141646280 10712469420 21424938840
- Sum of all divisors σ(n): 80991705600
- Sum of proper divisors (its aliquot sum) s(n): 59566766760
- 21424938840 is an abundant number, because the sum of its proper divisors (59566766760) is greater than itself. Its abundance is 38141827920
Bases of 21424938840
- Binary: 100111111010000011010011111010110002
- Hexadecimal: 0x4FD069F58
- Base-36: 9UBUSM0
Squares and roots of 21424938840
- 21424938840 squared (214249388402) is 459028004297740545600
- 21424938840 cubed (214249388403) is 9834646917926348339668231104000
-
The
square root of 21424938840 is 146372.6027643151 -
The
cube root of 21424938840 is 2777.4091608257
Scales and comparisons
How big is 21424938840?- 21,424,938,840 seconds is equal to 681 years, 12 weeks, 5 days, 19 hours, 54 minutes.
-
To count from 1 to 21,424,938,840 would take you about one thousand, three hundred sixty-two 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 21424938840 cubic inches would be around 231.5 feet tall.
Recreational maths with 21424938840
- 21424938840 backwards is 04883942412
- 21424938840 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21424938840's digits is 45
- More coming soon!
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The information we have on file for 21424938840 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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