18989318400
18,989,318,400 is an even composite number composed of five prime numbers multiplied together.
18989318400 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 18989318400:
28 × 3 × 52 × 13 × 76079
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 13 × 76079)See below for interesting mathematical facts about the number 18989318400 from the Numbermatics database.
Names of 18989318400
- Cardinal: 18989318400 can be written as Eighteen billion, nine hundred eighty-nine million, three hundred eighteen thousand, four hundred.
Scientific notation
- Scientific notation: 1.89893184 × 1010
Factors of 18989318400
Divisors of 18989318400
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 16 20 24 25 26 30 32 39 40 48 50 52 60 64 65 75 78 80 96 100 104 120 128 130 150 156 160 192 195 200 208 240 256 260 300 312 320 325 384 390 400 416 480 520 600 624 640 650 768 780 800 832 960 975 1040 1200 1248 1280 1300 1560 1600 1664 1920 1950 2080 2400 2496 2600 3120 3200 3328 3840 3900 4160 4800 4992 5200 6240 6400 7800 8320 9600 9984 10400 12480 15600 16640 19200 20800 24960 31200 41600 49920 62400 76079 83200 124800 152158 228237 249600 304316 380395 456474 608632 760790 912948 989027 1141185 1217264 1521580 1825896 1901975 1978054 2282370 2434528 2967081 3043160 3651792 3803950 3956108 4564740 4869056 4945135 5705925 5934162 6086320 7303584 7607900 7912216 9129480 9738112 9890270 11411850 11868324 12172640 14607168 14835405 15215800 15824432 18258960 19476224 19780540 22823700 23736648 24345280 24725675 29214336 29670810 30431600 31648864 36517920 39561080 45647400 47473296 48690560 49451350 58428672 59341620 60863200 63297728 73035840 74177025 79122160 91294800 94946592 97381120 98902700 118683240 121726400 126595456 146071680 148354050 158244320 182589600 189893184 197805400 237366480 243452800 253190912 292143360 296708100 316488640 365179200 379786368 395610800 474732960 486905600 593416200 632977280 730358400 759572736 791221600 949465920 1186832400 1265954560 1460716800 1582443200 1898931840 2373664800 3164886400 3797863680 4747329600 6329772800 9494659200 18989318400
- Sum of all divisors σ(n): 67490263680
- Sum of proper divisors (its aliquot sum) s(n): 48500945280
- 18989318400 is an abundant number, because the sum of its proper divisors (48500945280) is greater than itself. Its abundance is 29511626880
Bases of 18989318400
- Binary: 100011010111101101000000001000000002
- Hexadecimal: 0x46BDA0100
- Base-36: 8Q1QZUO
Squares and roots of 18989318400
- 18989318400 squared (189893184002) is 360594213296578560000
- 18989318400 cubed (189893184003) is 6847438329486243906453504000000
-
The
square root of 18989318400 is 137801.7358381237 -
The
cube root of 18989318400 is 2667.9015058791
Scales and comparisons
How big is 18989318400?- 18,989,318,400 seconds is equal to 603 years, 41 weeks, 4 days, 18 hours, 40 minutes.
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To count from 1 to 18,989,318,400 would take you about one thousand, two hundred seven 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 18989318400 cubic inches would be around 222.3 feet tall.
Recreational maths with 18989318400
- 18989318400 backwards is 00481398981
- The number of decimal digits it has is: 11
- The sum of 18989318400's digits is 51
- More coming soon!
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