2981489920
2,981,489,920 is an even composite number composed of five prime numbers multiplied together.
2981489920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 2981489920:
28 × 5 × 17 × 181 × 757
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 17 × 181 × 757)See below for interesting mathematical facts about the number 2981489920 from the Numbermatics database.
Names of 2981489920
- Cardinal: 2981489920 can be written as Two billion, nine hundred eighty-one million, four hundred eighty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.98148992 × 109
Factors of 2981489920
Divisors of 2981489920
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 8 10 16 17 20 32 34 40 64 68 80 85 128 136 160 170 181 256 272 320 340 362 544 640 680 724 757 905 1088 1280 1360 1448 1514 1810 2176 2720 2896 3028 3077 3620 3785 4352 5440 5792 6056 6154 7240 7570 10880 11584 12112 12308 12869 14480 15140 15385 21760 23168 24224 24616 25738 28960 30280 30770 46336 48448 49232 51476 57920 60560 61540 64345 96896 98464 102952 115840 121120 123080 128690 137017 193792 196928 205904 231680 242240 246160 257380 274034 393856 411808 484480 492320 514760 548068 685085 787712 823616 968960 984640 1029520 1096136 1370170 1647232 1969280 2059040 2192272 2329289 2740340 3294464 3938560 4118080 4384544 4658578 5480680 8236160 8769088 9317156 10961360 11646445 16472320 17538176 18634312 21922720 23292890 35076352 37268624 43845440 46585780 74537248 87690880 93171560 149074496 175381760 186343120 298148992 372686240 596297984 745372480 1490744960 2981489920
- Sum of all divisors σ(n): 7613515728
- Sum of proper divisors (its aliquot sum) s(n): 4632025808
- 2981489920 is an abundant number, because the sum of its proper divisors (4632025808) is greater than itself. Its abundance is 1650535888
Bases of 2981489920
- Binary: 101100011011010111101101000000002
- Hexadecimal: 0xB1B5ED00
- Base-36: 1DB3OCG
Squares and roots of 2981489920
- 2981489920 squared (29814899202) is 8889282143061606400
- 2981489920 cubed (29814899203) is 26503305105574177420607488000
-
The
square root of 2981489920 is 54603.0211618369 -
The
cube root of 2981489920 is 1439.2772092811
Scales and comparisons
How big is 2981489920?- 2,981,489,920 seconds is equal to 94 years, 41 weeks, 4 days, 23 hours, 38 minutes, 40 seconds.
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To count from 1 to 2,981,489,920 would take you about one hundred eighty-nine 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 2981489920 cubic inches would be around 119.9 feet tall.
Recreational maths with 2981489920
- 2981489920 backwards is 0299841892
- The number of decimal digits it has is: 10
- The sum of 2981489920's digits is 52
- More coming soon!
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