21421649340
21,421,649,340 is an even composite number composed of seven prime numbers multiplied together.
21421649340 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 21421649340:
22 × 33 × 5 × 7 × 13 × 17 × 25643
(2 × 2 × 3 × 3 × 3 × 5 × 7 × 13 × 17 × 25643)See below for interesting mathematical facts about the number 21421649340 from the Numbermatics database.
Names of 21421649340
- Cardinal: 21421649340 can be written as Twenty-one billion, four hundred twenty-one million, six hundred forty-nine thousand, three hundred forty.
Scientific notation
- Scientific notation: 2.142164934 × 1010
Factors of 21421649340
Divisors of 21421649340
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 13 14 15 17 18 20 21 26 27 28 30 34 35 36 39 42 45 51 52 54 60 63 65 68 70 78 84 85 90 91 102 105 108 117 119 126 130 135 140 153 156 170 180 182 189 195 204 210 221 234 238 252 255 260 270 273 306 315 340 351 357 364 378 390 420 442 455 459 468 476 510 540 546 585 595 612 630 663 702 714 756 765 780 819 884 910 918 945 1020 1071 1092 1105 1170 1190 1260 1326 1365 1404 1428 1530 1547 1638 1755 1785 1820 1836 1890 1989 2142 2210 2295 2340 2380 2457 2652 2730 3060 3094 3213 3276 3315 3510 3570 3780 3978 4095 4284 4420 4590 4641 4914 5355 5460 5967 6188 6426 6630 7020 7140 7735 7956 8190 9180 9282 9828 9945 10710 11934 12285 12852 13260 13923 15470 16065 16380 18564 19890 21420 23205 23868 24570 25643 27846 29835 30940 32130 39780 41769 46410 49140 51286 55692 59670 64260 69615 76929 83538 92820 102572 119340 128215 139230 153858 167076 179501 208845 230787 256430 278460 307716 333359 359002 384645 417690 435931 461574 512860 538503 666718 692361 718004 769290 835380 871862 897505 923148 1000077 1077006 1153935 1307793 1333436 1384722 1538580 1615509 1666795 1743724 1795010 2000154 2154012 2179655 2307870 2333513 2615586 2692515 2769444 3000231 3051517 3231018 3333590 3461805 3590020 3923379 4000308 4359310 4615740 4667026 4846527 5000385 5231172 5385030 5667103 6000462 6103034 6462036 6538965 6667180 6923610 7000539 7846758 8077545 8718620 9000693 9154551 9334052 9693054 10000770 10770060 11334206 11667565 11770137 12000924 12206068 13077930 13847220 14001078 15001155 15257585 15693516 16155090 17001309 18001386 18309102 19386108 19616895 20001540 21001617 22668412 23335130 23540274 24232635 26155860 27463653 28002156 28335515 30002310 30515170 32310180 34002618 35002695 36002772 36618204 39233790 39669721 42003234 45003465 45772755 46670260 47080548 48465270 51003927 54927306 56671030 58850685 60004620 61030340 63004851 68005236 70005390 78467580 79339442 82390959 84006468 85006545 90006930 91545510 96930540 102007854 105008085 109854612 113342060 117701370 119009163 126009702 137318265 140010780 153011781 158678884 164781918 170013090 180013860 183091020 198348605 204015708 210016170 235402740 238018326 252019404 255019635 274636530 306023562 315024255 329563836 340026180 357027489 396697210 411954795 420032340 476036652 510039270 549273060 595045815 612047124 630048510 714054978 765058905 793394420 823909590 1020078540 1071082467 1190091630 1260097020 1428109956 1530117810 1647819180 1785137445 2142164934 2380183260 3060235620 3570274890 4284329868 5355412335 7140549780 10710824670 21421649340
- Sum of all divisors σ(n): 86853150720
- Sum of proper divisors (its aliquot sum) s(n): 65431501380
- 21421649340 is an abundant number, because the sum of its proper divisors (65431501380) is greater than itself. Its abundance is 44009852040
Bases of 21421649340
- Binary: 100111111001101010001101101101111002
- Hexadecimal: 0x4FCD46DBC
- Base-36: 9U9WAF0
Squares and roots of 21421649340
- 21421649340 squared (214216493402) is 458887060445922435600
- 21421649340 cubed (214216493403) is 9830117695535934448261932504000
-
The
square root of 21421649340 is 146361.3655989859 -
The
cube root of 21421649340 is 2777.2670094273
Scales and comparisons
How big is 21421649340?- 21,421,649,340 seconds is equal to 681 years, 7 weeks, 2 days, 18 hours, 9 minutes.
-
To count from 1 to 21,421,649,340 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 21421649340 cubic inches would be around 231.4 feet tall.
Recreational maths with 21421649340
- 21421649340 backwards is 04394612412
- 21421649340 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21421649340's digits is 36
- More coming soon!
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The information we have on file for 21421649340 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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