21406040960
21,406,040,960 is an even composite number composed of six prime numbers multiplied together.
21406040960 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 21406040960:
27 × 5 × 17 × 41 × 47 × 1021
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 17 × 41 × 47 × 1021)See below for interesting mathematical facts about the number 21406040960 from the Numbermatics database.
Names of 21406040960
- Cardinal: 21406040960 can be written as Twenty-one billion, four hundred six million, forty thousand, nine hundred sixty.
Scientific notation
- Scientific notation: 2.140604096 × 1010
Factors of 21406040960
Divisors of 21406040960
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 4 5 8 10 16 17 20 32 34 40 41 47 64 68 80 82 85 94 128 136 160 164 170 188 205 235 272 320 328 340 376 410 470 544 640 656 680 697 752 799 820 940 1021 1088 1312 1360 1394 1504 1598 1640 1880 1927 2042 2176 2624 2720 2788 3008 3196 3280 3485 3760 3854 3995 4084 5105 5248 5440 5576 6016 6392 6560 6970 7520 7708 7990 8168 9635 10210 10880 11152 12784 13120 13940 15040 15416 15980 16336 17357 19270 20420 22304 25568 26240 27880 30080 30832 31960 32672 32759 34714 38540 40840 41861 44608 47987 51136 55760 61664 63920 65344 65518 69428 77080 81680 83722 86785 89216 95974 102272 111520 123328 127840 130688 131036 138856 154160 163360 163795 167444 173570 191948 209305 223040 239935 246656 255680 262072 277712 308320 326720 327590 334888 347140 383896 418610 446080 479870 511360 524144 555424 616640 653440 655180 669776 694280 711637 767792 815779 837220 959740 1048288 1110848 1233280 1310360 1339552 1388560 1423274 1535584 1631558 1674440 1919480 1967467 2096576 2221696 2620720 2679104 2777120 2846548 3071168 3263116 3348880 3558185 3838960 3934934 4078895 4193152 5241440 5358208 5554240 5693096 6142336 6526232 6697760 7116370 7677920 7869868 8157790 9837335 10482880 11108480 11386192 13052464 13395520 14232740 15355840 15739736 16315580 19674670 20965760 22772384 26104928 26791040 28465480 30711680 31479472 32631160 33446939 39349340 45544768 52209856 56930960 62958944 65262320 66893878 78698680 91089536 104419712 113861920 125917888 130524640 133787756 157397360 167234695 227723840 251835776 261049280 267575512 314794720 334469390 455447680 522098560 535151024 629589440 668938780 1070302048 1259178880 1337877560 2140604096 2675755120 4281208192 5351510240 10703020480 21406040960
- Sum of all divisors σ(n): 56742094080
- Sum of proper divisors (its aliquot sum) s(n): 35336053120
- 21406040960 is an abundant number, because the sum of its proper divisors (35336053120) is greater than itself. Its abundance is 13930012160
Bases of 21406040960
- Binary: 100111110111110011001000011100000002
- Hexadecimal: 0x4FBE64380
- Base-36: 9U0LQWW
Squares and roots of 21406040960
- 21406040960 squared (214060409602) is 458218589581197721600
- 21406040960 cubed (214060409603) is 9808645897208547674428276736000
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The
square root of 21406040960 is 146308.0345025521 -
The
cube root of 21406040960 is 2776.5923154803
Scales and comparisons
How big is 21406040960?- 21,406,040,960 seconds is equal to 680 years, 33 weeks, 4 days, 2 hours, 29 minutes, 20 seconds.
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To count from 1 to 21,406,040,960 would take you about one thousand, three hundred sixty-one 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 21406040960 cubic inches would be around 231.4 feet tall.
Recreational maths with 21406040960
- 21406040960 backwards is 06904060412
- 21406040960 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21406040960's digits is 32
- More coming soon!
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