21005749200
21,005,749,200 is an even composite number composed of six prime numbers multiplied together.
21005749200 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 21005749200:
24 × 3 × 52 × 127 × 337 × 409
(2 × 2 × 2 × 2 × 3 × 5 × 5 × 127 × 337 × 409)See below for interesting mathematical facts about the number 21005749200 from the Numbermatics database.
Names of 21005749200
- Cardinal: 21005749200 can be written as Twenty-one billion, five million, seven hundred forty-nine thousand, two hundred.
Scientific notation
- Scientific notation: 2.10057492 × 1010
Factors of 21005749200
Divisors of 21005749200
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 127 150 200 240 254 300 337 381 400 409 508 600 635 674 762 818 1011 1016 1200 1227 1270 1348 1524 1636 1685 1905 2022 2032 2045 2454 2540 2696 3048 3175 3272 3370 3810 4044 4090 4908 5055 5080 5392 6096 6135 6350 6544 6740 7620 8088 8180 8425 9525 9816 10110 10160 10225 12270 12700 13480 15240 16176 16360 16850 19050 19632 20220 20450 24540 25275 25400 26960 30480 30675 32720 33700 38100 40440 40900 42799 49080 50550 50800 51943 61350 67400 76200 80880 81800 85598 98160 101100 103886 122700 128397 134800 137833 152400 155829 163600 171196 202200 207772 213995 245400 256794 259715 275666 311658 342392 404400 413499 415544 427990 490800 513588 519430 551332 623316 641985 684784 689165 779145 826998 831088 855980 1027176 1038860 1069975 1102664 1246632 1283970 1298575 1378330 1558290 1653996 1711960 2054352 2067495 2077720 2139950 2205328 2493264 2567940 2597150 2756660 3116580 3209925 3307992 3423920 3445825 3895725 4134990 4155440 4279900 5135880 5194300 5513320 6233160 6419850 6615984 6891650 7791450 8269980 8559800 10271760 10337475 10388600 11026640 12466320 12839700 13783300 15582900 16539960 17119600 17504791 20674950 20777200 25679400 27566600 31165800 33079920 35009582 41349900 51358800 52514373 55133200 62331600 70019164 82699800 87523955 105028746 140038328 165399600 175047910 210057492 262571865 280076656 350095820 420114984 437619775 525143730 700191640 840229968 875239550 1050287460 1312859325 1400383280 1750479100 2100574920 2625718650 3500958200 4201149840 5251437300 7001916400 10502874600 21005749200
- Sum of all divisors σ(n): 68185794560
- Sum of proper divisors (its aliquot sum) s(n): 47180045360
- 21005749200 is an abundant number, because the sum of its proper divisors (47180045360) is greater than itself. Its abundance is 26174296160
Bases of 21005749200
- Binary: 100111001000000101001001011110100002
- Hexadecimal: 0x4E40A4BD0
- Base-36: 9NEA3TC
Squares and roots of 21005749200
- 21005749200 squared (210057492002) is 441241499453300640000
- 21005749200 cubed (210057492003) is 9268608274147970356039488000000
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The
square root of 21005749200 is 144933.6027289737 -
The
cube root of 21005749200 is 2759.1759249463
Scales and comparisons
How big is 21005749200?- 21,005,749,200 seconds is equal to 667 years, 47 weeks, 5 days, 2 hours, 20 minutes.
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To count from 1 to 21,005,749,200 would take you about one thousand, three hundred thirty-five 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 21005749200 cubic inches would be around 229.9 feet tall.
Recreational maths with 21005749200
- 21005749200 backwards is 00294750012
- 21005749200 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21005749200's digits is 30
- More coming soon!
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The information we have on file for 21005749200 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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