21442429440
21,442,429,440 is an even composite number composed of five prime numbers multiplied together.
21442429440 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 21442429440:
29 × 32 × 5 × 37 × 25153
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 37 × 25153)See below for interesting mathematical facts about the number 21442429440 from the Numbermatics database.
Names of 21442429440
- Cardinal: 21442429440 can be written as Twenty-one billion, four hundred forty-two million, four hundred twenty-nine thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.144242944 × 1010
Factors of 21442429440
Divisors of 21442429440
- Number of divisors d(n): 240
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 37 40 45 48 60 64 72 74 80 90 96 111 120 128 144 148 160 180 185 192 222 240 256 288 296 320 333 360 370 384 444 480 512 555 576 592 640 666 720 740 768 888 960 1110 1152 1184 1280 1332 1440 1480 1536 1665 1776 1920 2220 2304 2368 2560 2664 2880 2960 3330 3552 3840 4440 4608 4736 5328 5760 5920 6660 7104 7680 8880 9472 10656 11520 11840 13320 14208 17760 18944 21312 23040 23680 25153 26640 28416 35520 42624 47360 50306 53280 56832 71040 75459 85248 94720 100612 106560 125765 142080 150918 170496 201224 213120 226377 251530 284160 301836 377295 402448 426240 452754 503060 603672 754590 804896 852480 905508 930661 1006120 1131885 1207344 1509180 1609792 1811016 1861322 2012240 2263770 2414688 2791983 3018360 3219584 3622032 3722644 4024480 4527540 4653305 4829376 5583966 6036720 6439168 7244064 7445288 8048960 8375949 9055080 9306610 9658752 11167932 12073440 12878336 13959915 14488128 14890576 16097920 16751898 18110160 18613220 19317504 22335864 24146880 27919830 28976256 29781152 32195840 33503796 36220320 37226440 38635008 41879745 44671728 48293760 55839660 57952512 59562304 64391680 67007592 72440640 74452880 83759490 89343456 96587520 111679320 115905024 119124608 134015184 144881280 148905760 167518980 178686912 193175040 223358640 238249216 268030368 289762560 297811520 335037960 357373824 446717280 476498432 536060736 579525120 595623040 670075920 714747648 893434560 1072121472 1191246080 1340151840 1429495296 1786869120 2144242944 2382492160 2680303680 3573738240 4288485888 5360607360 7147476480 10721214720 21442429440
- Sum of all divisors σ(n): 76271254488
- Sum of proper divisors (its aliquot sum) s(n): 54828825048
- 21442429440 is an abundant number, because the sum of its proper divisors (54828825048) is greater than itself. Its abundance is 33386395608
Bases of 21442429440
- Binary: 100111111100001000110000010000000002
- Hexadecimal: 0x4FE118200
- Base-36: 9UM9OG0
Squares and roots of 21442429440
- 21442429440 squared (214424294402) is 459777780289378713600
- 21442429440 cubed (214424294403) is 9858752611934825847805968384000
-
The
square root of 21442429440 is 146432.3374121987 -
The
cube root of 21442429440 is 2778.1647497483
Scales and comparisons
How big is 21442429440?- 21,442,429,440 seconds is equal to 681 years, 41 weeks, 5 days, 6 hours, 24 minutes.
-
To count from 1 to 21,442,429,440 would take you about one thousand, three hundred sixty-three 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 21442429440 cubic inches would be around 231.5 feet tall.
Recreational maths with 21442429440
- 21442429440 backwards is 04492424412
- 21442429440 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21442429440's digits is 36
- More coming soon!
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