21804321000
21,804,321,000 is an even composite number composed of six prime numbers multiplied together.
21804321000 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21804321000:
23 × 3 × 53 × 7 × 112 × 8581
(2 × 2 × 2 × 3 × 5 × 5 × 5 × 7 × 11 × 11 × 8581)See below for interesting mathematical facts about the number 21804321000 from the Numbermatics database.
Names of 21804321000
- Cardinal: 21804321000 can be written as Twenty-one billion, eight hundred four million, three hundred twenty-one thousand.
Scientific notation
- Scientific notation: 2.1804321 × 1010
Factors of 21804321000
Divisors of 21804321000
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 11 12 14 15 20 21 22 24 25 28 30 33 35 40 42 44 50 55 56 60 66 70 75 77 84 88 100 105 110 120 121 125 132 140 150 154 165 168 175 200 210 220 231 242 250 264 275 280 300 308 330 350 363 375 385 420 440 462 484 500 525 550 600 605 616 660 700 726 750 770 825 840 847 875 924 968 1000 1050 1100 1155 1210 1320 1375 1400 1452 1500 1540 1650 1694 1750 1815 1848 1925 2100 2200 2310 2420 2541 2625 2750 2904 3000 3025 3080 3300 3388 3500 3630 3850 4125 4200 4235 4620 4840 5082 5250 5500 5775 6050 6600 6776 7000 7260 7700 8250 8470 8581 9075 9240 9625 10164 10500 11000 11550 12100 12705 14520 15125 15400 16500 16940 17162 18150 19250 20328 21000 21175 23100 24200 25410 25743 28875 30250 33000 33880 34324 36300 38500 42350 42905 45375 46200 50820 51486 57750 60067 60500 63525 68648 72600 77000 84700 85810 90750 94391 101640 102972 105875 115500 120134 121000 127050 128715 169400 171620 180201 181500 188782 205944 211750 214525 231000 240268 254100 257430 283173 300335 317625 343240 360402 363000 377564 423500 429050 471955 480536 508200 514860 566346 600670 635250 643575 660737 720804 755128 847000 858100 901005 943910 1029720 1038301 1072625 1132692 1201340 1270500 1287150 1321474 1415865 1441608 1501675 1716200 1802010 1887820 1982211 2076602 2145250 2265384 2359775 2402680 2541000 2574300 2642948 2831730 3003350 3114903 3217875 3303685 3604020 3775640 3964422 4153204 4290500 4505025 4719550 5148600 5191505 5285896 5663460 6006700 6229806 6435750 6607370 7079325 7208040 7268107 7508375 7928844 8306408 8581000 9010050 9439100 9911055 10383010 11326920 11798875 12013400 12459612 12871500 13214740 14158650 14536214 15016750 15574515 15857688 16518425 18020100 18878200 19822110 20766020 21804321 22525125 23597750 24919224 25743000 25957525 26429480 28317300 29072428 30033500 31149030 33036850 35396625 36040200 36340535 39644220 41532040 43608642 45050250 47195500 49555275 51915050 56634600 58144856 60067000 62298060 66073700 70793250 72681070 77872575 79288440 82592125 87217284 90100500 94391000 99110550 103830100 109021605 124596120 129787625 132147400 141586500 145362140 155745150 165184250 174434568 180201000 181702675 198221100 207660200 218043210 247776375 259575250 283173000 290724280 311490300 330368500 363405350 389362875 396442200 436086420 495552750 519150500 545108025 622980600 660737000 726810700 778725750 872172840 908513375 991105500 1038301000 1090216050 1453621400 1557451500 1817026750 1982211000 2180432100 2725540125 3114903000 3634053500 4360864200 5451080250 7268107000 10902160500 21804321000
- Sum of all divisors σ(n): 85468481280
- Sum of proper divisors (its aliquot sum) s(n): 63664160280
- 21804321000 is an abundant number, because the sum of its proper divisors (63664160280) is greater than itself. Its abundance is 41859839280
Bases of 21804321000
- Binary: 101000100111010001110001000111010002
- Hexadecimal: 0x513A388E8
- Base-36: A0LQ9RC
Squares and roots of 21804321000
- 21804321000 squared (218043210002) is 475428414271041000000
- 21804321000 cubed (218043210003) is 10366393757286758968161000000000
-
The
square root of 21804321000 is 147662.8626297081 -
The
cube root of 21804321000 is 2793.7069980219
Scales and comparisons
How big is 21804321000?- 21,804,321,000 seconds is equal to 693 years, 16 weeks, 19 hours, 50 minutes.
-
To count from 1 to 21,804,321,000 would take you about one thousand, three hundred eighty-six 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 21804321000 cubic inches would be around 232.8 feet tall.
Recreational maths with 21804321000
- 21804321000 backwards is 00012340812
- 21804321000 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21804321000's digits is 21
- More coming soon!
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