21184529940
21,184,529,940 is an even composite number composed of seven prime numbers multiplied together.
21184529940 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 21184529940:
22 × 33 × 5 × 7 × 17 × 19 × 17351
(2 × 2 × 3 × 3 × 3 × 5 × 7 × 17 × 19 × 17351)See below for interesting mathematical facts about the number 21184529940 from the Numbermatics database.
Names of 21184529940
- Cardinal: 21184529940 can be written as Twenty-one billion, one hundred eighty-four million, five hundred twenty-nine thousand, nine hundred forty.
Scientific notation
- Scientific notation: 2.118452994 × 1010
Factors of 21184529940
Divisors of 21184529940
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 14 15 17 18 19 20 21 27 28 30 34 35 36 38 42 45 51 54 57 60 63 68 70 76 84 85 90 95 102 105 108 114 119 126 133 135 140 153 170 171 180 189 190 204 210 228 238 252 255 266 270 285 306 315 323 340 342 357 378 380 399 420 459 476 510 513 532 540 570 595 612 630 646 665 684 714 756 765 798 855 918 945 969 1020 1026 1071 1140 1190 1197 1260 1292 1330 1428 1530 1596 1615 1710 1785 1836 1890 1938 1995 2052 2142 2261 2295 2380 2394 2565 2660 2907 3060 3213 3230 3420 3570 3591 3780 3876 3990 4284 4522 4590 4788 4845 5130 5355 5814 5985 6426 6460 6783 7140 7182 7980 8721 9044 9180 9690 10260 10710 11305 11628 11970 12852 13566 14364 14535 16065 17351 17442 17955 19380 20349 21420 22610 23940 27132 29070 32130 33915 34702 34884 35910 40698 43605 45220 52053 58140 61047 64260 67830 69404 71820 81396 86755 87210 101745 104106 121457 122094 135660 156159 173510 174420 203490 208212 242914 244188 260265 294967 305235 312318 329669 347020 364371 406980 468477 485828 520530 589934 607285 610470 624636 659338 728742 780795 884901 936954 989007 1041060 1093113 1179868 1214570 1220940 1318676 1457484 1474835 1561590 1648345 1769802 1821855 1873908 1978014 2064769 2186226 2307683 2342385 2429140 2654703 2949670 2967021 3123180 3279339 3296690 3539604 3643710 3956028 4129538 4372452 4424505 4615366 4684770 4945035 5309406 5465565 5604373 5899340 5934042 6194307 6558678 6593380 6923049 7287420 7964109 8259076 8849010 8901063 9230732 9369540 9890070 10323845 10618812 10931130 11208746 11538415 11868084 12388614 13117356 13273515 13846098 14835105 15928218 16396695 16813119 17698020 17802126 18582921 19780140 20647690 20769147 21862260 22417492 23076830 24777228 26547030 27692196 28021865 29670210 30971535 31856436 32793390 33626238 34615245 35604252 37165842 39230611 39820545 41295380 41538294 44505315 46153660 50439357 53094060 55748763 56043730 59340420 61943070 62307441 65586780 67252476 69230490 74331684 78461222 79641090 83076588 84065595 89010630 92914605 100878714 103845735 111497526 112087460 117691833 123886140 124614882 138460980 151318071 156922444 159282180 168131190 178021260 185829210 196153055 201757428 207691470 222995052 235383666 249229764 252196785 278743815 302636142 311537205 336262380 353075499 371658420 392306110 415382940 470767332 504393570 557487630 588459165 605272284 623074410 706150998 756590355 784612220 1008787140 1059226497 1114975260 1176918330 1246148820 1412301996 1513180710 1765377495 2118452994 2353836660 3026361420 3530754990 4236905988 5296132485 7061509980 10592264970 21184529940
- Sum of all divisors σ(n): 83955916800
- Sum of proper divisors (its aliquot sum) s(n): 62771386860
- 21184529940 is an abundant number, because the sum of its proper divisors (62771386860) is greater than itself. Its abundance is 41586856920
Bases of 21184529940
- Binary: 100111011101011001001000110000101002
- Hexadecimal: 0x4EEB24614
- Base-36: 9QCPZX0
Squares and roots of 21184529940
- 21184529940 squared (211845299402) is 448784308778756403600
- 21184529940 cubed (211845299403) is 9507284625925769868030923784000
-
The
square root of 21184529940 is 145549.0636864421 -
The
cube root of 21184529940 is 2766.9816392425
Scales and comparisons
How big is 21184529940?- 21,184,529,940 seconds is equal to 673 years, 31 weeks, 2 days, 7 hours, 39 minutes.
-
To count from 1 to 21,184,529,940 would take you about one thousand, three hundred forty-seven 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 21184529940 cubic inches would be around 230.6 feet tall.
Recreational maths with 21184529940
- 21184529940 backwards is 04992548112
- 21184529940 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21184529940's digits is 45
- More coming soon!
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