21388775040
21,388,775,040 is an even composite number composed of five prime numbers multiplied together.
21388775040 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred thirty-two divisors.
Prime factorization of 21388775040:
27 × 32 × 5 × 412 × 472
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 41 × 41 × 47 × 47)See below for interesting mathematical facts about the number 21388775040 from the Numbermatics database.
Names of 21388775040
- Cardinal: 21388775040 can be written as Twenty-one billion, three hundred eighty-eight million, seven hundred seventy-five thousand and forty.
Scientific notation
- Scientific notation: 2.138877504 × 1010
Factors of 21388775040
Divisors of 21388775040
- Number of divisors d(n): 432
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 41 45 47 48 60 64 72 80 82 90 94 96 120 123 128 141 144 160 164 180 188 192 205 235 240 246 282 288 320 328 360 369 376 384 410 423 470 480 492 564 576 615 640 656 705 720 738 752 820 846 940 960 984 1128 1152 1230 1312 1410 1440 1476 1504 1640 1681 1692 1845 1880 1920 1927 1968 2115 2209 2256 2460 2624 2820 2880 2952 3008 3280 3362 3384 3690 3760 3854 3936 4230 4418 4512 4920 5043 5248 5640 5760 5781 5904 6016 6560 6627 6724 6768 7380 7520 7708 7872 8405 8460 8836 9024 9635 9840 10086 11045 11280 11562 11808 13120 13254 13448 13536 14760 15040 15129 15416 15744 16810 16920 17343 17672 18048 19270 19680 19881 20172 22090 22560 23124 23616 25215 26240 26508 26896 27072 28905 29520 30080 30258 30832 33135 33620 33840 34686 35344 38540 39360 39762 40344 44180 45120 46248 47232 50430 53016 53792 54144 57810 59040 60516 61664 66270 67240 67680 69372 70688 75645 77080 78720 79007 79524 80688 86715 88360 90240 90569 92496 99405 100860 106032 107584 115620 118080 121032 123328 132540 134480 135360 138744 141376 151290 154160 158014 159048 161376 173430 176720 181138 184992 198810 201720 212064 215168 231240 236160 237021 242064 246656 265080 268960 270720 271707 277488 282752 302580 308320 316028 318096 322752 346860 353440 362276 369984 395035 397620 403440 424128 452845 462480 474042 484128 530160 537920 543414 554976 605160 616640 632056 636192 645504 693720 706880 711063 724552 739968 790070 795240 806880 815121 848256 905690 924960 948084 968256 1060320 1075840 1086828 1109952 1185105 1210320 1233280 1264112 1272384 1358535 1387440 1413760 1422126 1449104 1580140 1590480 1613760 1630242 1811380 1849920 1896168 1936512 2120640 2173656 2219904 2370210 2420640 2528224 2544768 2717070 2774880 2844252 2898208 3160280 3180960 3227520 3260484 3555315 3622760 3699840 3713329 3792336 4075605 4241280 4347312 4740420 4841280 5056448 5434140 5549760 5688504 5796416 6320560 6361920 6520968 7110630 7245520 7426658 7584672 8151210 8694624 9480840 9682560 10112896 10868280 11099520 11139987 11377008 11592832 12641120 12723840 13041936 14221260 14491040 14853316 15169344 16302420 17389248 18566645 18961680 21736560 22279974 22754016 25282240 26083872 28442520 28982080 29706632 30338688 32604840 33419961 34778496 37133290 37923360 43473120 44559948 45508032 50564480 52167744 55699935 56885040 57964160 59413264 65209680 66839922 74266580 75846720 86946240 89119896 91016064 104335488 111399870 113770080 118826528 130419360 133679844 148533160 151693440 167099805 173892480 178239792 222799740 227540160 237653056 260838720 267359688 297066320 334199610 356479584 445599480 455080320 475306112 521677440 534719376 594132640 668399220 712959168 891198960 1069438752 1188265280 1336798440 1425918336 1782397920 2138877504 2376530560 2673596880 3564795840 4277755008 5347193760 7129591680 10694387520 21388775040
- Sum of all divisors σ(n): 77348450790
- Sum of proper divisors (its aliquot sum) s(n): 55959675750
- 21388775040 is an abundant number, because the sum of its proper divisors (55959675750) is greater than itself. Its abundance is 34570900710
Bases of 21388775040
- Binary: 100111110101101111011001110100000002
- Hexadecimal: 0x4FADECE80
- Base-36: 9TQBOG0
Squares and roots of 21388775040
- 21388775040 squared (213887750402) is 457479697711727001600
- 21388775040 cubed (213887750403) is 9784930339723331607116120064000
-
The
square root of 21388775040 is 146249.0172274671 -
The
cube root of 21388775040 is 2775.8455898855
Scales and comparisons
How big is 21388775040?- 21,388,775,040 seconds is equal to 680 years, 5 weeks, 6 hours, 24 minutes.
-
To count from 1 to 21,388,775,040 would take you about one thousand, three hundred sixty 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 21388775040 cubic inches would be around 231.3 feet tall.
Recreational maths with 21388775040
- 21388775040 backwards is 04057788312
- 21388775040 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21388775040's digits is 45
- More coming soon!
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The information we have on file for 21388775040 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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