20821421600
20,821,421,600 is an even composite number composed of six prime numbers multiplied together.
20821421600 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 20821421600:
25 × 52 × 7 × 23 × 139 × 1163
(2 × 2 × 2 × 2 × 2 × 5 × 5 × 7 × 23 × 139 × 1163)See below for interesting mathematical facts about the number 20821421600 from the Numbermatics database.
Names of 20821421600
- Cardinal: 20821421600 can be written as Twenty billion, eight hundred twenty-one million, four hundred twenty-one thousand, six hundred.
Scientific notation
- Scientific notation: 2.08214216 × 1010
Factors of 20821421600
Divisors of 20821421600
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 23 25 28 32 35 40 46 50 56 70 80 92 100 112 115 139 140 160 161 175 184 200 224 230 278 280 322 350 368 400 460 556 560 575 644 695 700 736 800 805 920 973 1112 1120 1150 1163 1288 1390 1400 1610 1840 1946 2224 2300 2326 2576 2780 2800 3197 3220 3475 3680 3892 4025 4448 4600 4652 4865 5152 5560 5600 5815 6394 6440 6950 7784 8050 8141 9200 9304 9730 11120 11630 12788 12880 13900 15568 15985 16100 16282 18400 18608 19460 22240 22379 23260 24325 25576 25760 26749 27800 29075 31136 31970 32200 32564 37216 38920 40705 44758 46520 48650 51152 53498 55600 58150 63940 64400 65128 77840 79925 81410 89516 93040 97300 102304 106996 111200 111895 116300 127880 128800 130256 133745 155680 159850 161657 162820 179032 186080 187243 194600 203525 213992 223790 232600 255760 260512 267490 319700 323314 325640 358064 374486 389200 407050 427984 447580 465200 511520 534980 559475 639400 646628 651280 668725 716128 748972 778400 808285 814100 855968 895160 930400 936215 1069960 1118950 1131599 1278800 1293256 1302560 1337450 1497944 1616570 1628200 1790320 1872430 2139920 2237900 2263198 2557600 2586512 2674900 2995888 3233140 3256400 3580640 3718111 3744860 4041425 4279840 4475800 4526396 4681075 5173024 5349800 5657995 5991776 6466280 6512800 7436222 7489720 8082850 8951600 9052792 9362150 10699600 11315990 12932560 14872444 14979440 16165700 17903200 18105584 18590555 18724300 21399200 22631980 25865120 26026777 28289975 29744888 29958880 32331400 36211168 37181110 37448600 45263960 52053554 56579950 59489776 64662800 74362220 74897200 90527920 92952775 104107108 113159900 118979552 129325600 130133885 148724440 149794400 181055840 185905550 208214216 226319800 260267770 297448880 371811100 416428432 452639600 520535540 594897760 650669425 743622200 832856864 905279200 1041071080 1301338850 1487244400 2082142160 2602677700 2974488800 4164284320 5205355400 10410710800 20821421600
- Sum of all divisors σ(n): 61106088960
- Sum of proper divisors (its aliquot sum) s(n): 40284667360
- 20821421600 is an abundant number, because the sum of its proper divisors (40284667360) is greater than itself. Its abundance is 19463245760
Bases of 20821421600
- Binary: 100110110010000110110101110001000002
- Hexadecimal: 0x4D90DAE20
- Base-36: 9KCJBQ8
Squares and roots of 20821421600
- 20821421600 squared (208214216002) is 433531597444946560000
- 20821421600 cubed (208214216003) is 9026744167322715115229696000000
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The
square root of 20821421600 is 144296.2979428091 -
The
cube root of 20821421600 is 2751.0815184069
Scales and comparisons
How big is 20821421600?- 20,821,421,600 seconds is equal to 662 years, 2 weeks, 6 days, 16 hours, 13 minutes, 20 seconds.
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To count from 1 to 20,821,421,600 would take you about one thousand, three hundred twenty-four 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 20821421600 cubic inches would be around 229.3 feet tall.
Recreational maths with 20821421600
- 20821421600 backwards is 00612412802
- The number of decimal digits it has is: 11
- The sum of 20821421600's digits is 26
- More coming soon!
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