21084911100
21,084,911,100 is an even composite number composed of six prime numbers multiplied together.
21084911100 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty-four divisors.
Prime factorization of 21084911100:
22 × 32 × 52 × 11 × 29 × 2712
(2 × 2 × 3 × 3 × 5 × 5 × 11 × 29 × 271 × 271)See below for interesting mathematical facts about the number 21084911100 from the Numbermatics database.
Names of 21084911100
- Cardinal: 21084911100 can be written as Twenty-one billion, eighty-four million, nine hundred eleven thousand, one hundred.
Scientific notation
- Scientific notation: 2.10849111 × 1010
Factors of 21084911100
Divisors of 21084911100
- Number of divisors d(n): 324
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Complete list of divisors:
1 2 3 4 5 6 9 10 11 12 15 18 20 22 25 29 30 33 36 44 45 50 55 58 60 66 75 87 90 99 100 110 116 132 145 150 165 174 180 198 220 225 261 271 275 290 300 319 330 348 396 435 450 495 522 542 550 580 638 660 725 813 825 870 900 957 990 1044 1084 1100 1276 1305 1355 1450 1595 1626 1650 1740 1914 1980 2175 2439 2475 2610 2710 2871 2900 2981 3190 3252 3300 3828 4065 4350 4785 4878 4950 5220 5420 5742 5962 6380 6525 6775 7859 7975 8130 8700 8943 9570 9756 9900 11484 11924 12195 13050 13550 14355 14905 15718 15950 16260 17886 19140 20325 23577 23925 24390 26100 26829 27100 28710 29810 31436 31900 35772 39295 40650 44715 47154 47850 48780 53658 57420 59620 60975 70731 71775 73441 74525 78590 81300 86449 89430 94308 95700 107316 117885 121950 134145 141462 143550 146882 149050 157180 172898 178860 196475 220323 223575 235770 243900 259347 268290 282924 287100 293764 298100 345796 353655 367205 392950 432245 440646 447150 471540 518694 536580 589425 660969 670725 707310 734410 778041 785900 807851 864490 881292 894300 1037388 1101615 1178850 1296735 1321938 1341450 1414620 1468820 1556082 1615702 1728980 1768275 1836025 2129789 2161225 2203230 2357700 2423553 2593470 2643876 2682900 3112164 3231404 3304845 3536550 3672050 3890205 4039255 4259578 4322450 4406460 4847106 5186940 5508075 6389367 6483675 6609690 7073100 7270659 7344100 7780410 8078510 8519156 8644900 9694212 10648945 11016150 12117765 12778734 12967350 13219380 14541318 15560820 16157020 16524225 19168101 19451025 20196275 21297890 22032300 23427679 24235530 25557468 25934700 29082636 31946835 33048450 36353295 38336202 38902050 40392550 42595780 46855358 48471060 53244725 60588825 63893670 66096900 70283037 72706590 76672404 77804100 80785100 93710716 95840505 106489450 117138395 121177650 127787340 140566074 145413180 159734175 181766475 191681010 210849111 212978900 234276790 242355300 281132148 319468350 351415185 363532950 383362020 421698222 468553580 479202525 585691975 638936700 702830370 727065900 843396444 958405050 1054245555 1171383950 1405660740 1757075925 1916810100 2108491110 2342767900 3514151850 4216982220 5271227775 7028303700 10542455550 21084911100
- Sum of all divisors σ(n): 74859974280
- Sum of proper divisors (its aliquot sum) s(n): 53775063180
- 21084911100 is an abundant number, because the sum of its proper divisors (53775063180) is greater than itself. Its abundance is 32690152080
Bases of 21084911100
- Binary: 100111010001100001000110101111111002
- Hexadecimal: 0x4E8C235FC
- Base-36: 9OPETJ0
Squares and roots of 21084911100
- 21084911100 squared (210849111002) is 444573476094903210000
- 21084911100 cubed (210849111003) is 9373792220879009345954631000000
-
The
square root of 21084911100 is 145206.4430388679 -
The
cube root of 21084911100 is 2762.6376407467
Scales and comparisons
How big is 21084911100?- 21,084,911,100 seconds is equal to 670 years, 22 weeks, 4 days, 7 hours, 45 minutes.
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To count from 1 to 21,084,911,100 would take you about one thousand, three hundred forty 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 21084911100 cubic inches would be around 230.2 feet tall.
Recreational maths with 21084911100
- 21084911100 backwards is 00111948012
- The number of decimal digits it has is: 11
- The sum of 21084911100's digits is 27
- More coming soon!
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