18032221440
18,032,221,440 is an even composite number composed of five prime numbers multiplied together.
18032221440 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 18032221440:
28 × 32 × 5 × 83 × 18859
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 83 × 18859)See below for interesting mathematical facts about the number 18032221440 from the Numbermatics database.
Names of 18032221440
- Cardinal: 18032221440 can be written as Eighteen billion, thirty-two million, two hundred twenty-one thousand, four hundred forty.
Scientific notation
- Scientific notation: 1.803222144 × 1010
Factors of 18032221440
Divisors of 18032221440
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 83 90 96 120 128 144 160 166 180 192 240 249 256 288 320 332 360 384 415 480 498 576 640 664 720 747 768 830 960 996 1152 1245 1280 1328 1440 1494 1660 1920 1992 2304 2490 2656 2880 2988 3320 3735 3840 3984 4980 5312 5760 5976 6640 7470 7968 9960 10624 11520 11952 13280 14940 15936 18859 19920 21248 23904 26560 29880 31872 37718 39840 47808 53120 56577 59760 63744 75436 79680 94295 95616 106240 113154 119520 150872 159360 169731 188590 191232 226308 239040 282885 301744 318720 339462 377180 452616 478080 565770 603488 678924 754360 848655 905232 956160 1131540 1206976 1357848 1508720 1565297 1697310 1810464 2263080 2413952 2715696 3017440 3130594 3394620 3620928 4526160 4695891 4827904 5431392 6034880 6261188 6789240 7241856 7826485 9052320 9391782 10862784 12069760 12522376 13578480 14087673 14483712 15652970 18104640 18783564 21725568 23479455 24139520 25044752 27156960 28175346 31305940 36209280 37567128 43451136 46958910 50089504 54313920 56350692 62611880 70438365 72418560 75134256 93917820 100179008 108627840 112701384 125223760 140876730 150268512 187835640 200358016 217255680 225402768 250447520 281753460 300537024 375671280 400716032 450805536 500895040 563506920 601074048 751342560 901611072 1001790080 1127013840 1202148096 1502685120 1803222144 2003580160 2254027680 3005370240 3606444288 4508055360 6010740480 9016110720 18032221440
- Sum of all divisors σ(n): 63144637920
- Sum of proper divisors (its aliquot sum) s(n): 45112416480
- 18032221440 is an abundant number, because the sum of its proper divisors (45112416480) is greater than itself. Its abundance is 27080195040
Bases of 18032221440
- Binary: 100001100101100110111011101000000002
- Hexadecimal: 0x432CDDD00
- Base-36: 8A7X340
Squares and roots of 18032221440
- 18032221440 squared (180322214402) is 325161010061195673600
- 18032221440 cubed (180322214403) is 5863375337077548337525161984000
-
The
square root of 18032221440 is 134284.1071757935 -
The
cube root of 18032221440 is 2622.3042409577
Scales and comparisons
How big is 18032221440?- 18,032,221,440 seconds is equal to 573 years, 19 weeks, 1 day, 6 hours, 24 minutes.
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To count from 1 to 18,032,221,440 would take you about one thousand, one hundred forty-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 18032221440 cubic inches would be around 218.5 feet tall.
Recreational maths with 18032221440
- 18032221440 backwards is 04412223081
- The number of decimal digits it has is: 11
- The sum of 18032221440's digits is 27
- More coming soon!
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