18438745050
18,438,745,050 is an even composite number composed of seven prime numbers multiplied together.
18438745050 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 18438745050:
2 × 32 × 52 × 11 × 53 × 67 × 1049
(2 × 3 × 3 × 5 × 5 × 11 × 53 × 67 × 1049)See below for interesting mathematical facts about the number 18438745050 from the Numbermatics database.
Names of 18438745050
- Cardinal: 18438745050 can be written as Eighteen billion, four hundred thirty-eight million, seven hundred forty-five thousand and fifty.
Scientific notation
- Scientific notation: 1.843874505 × 1010
Factors of 18438745050
Divisors of 18438745050
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 5 6 9 10 11 15 18 22 25 30 33 45 50 53 55 66 67 75 90 99 106 110 134 150 159 165 198 201 225 265 275 318 330 335 402 450 477 495 530 550 583 603 670 737 795 825 954 990 1005 1049 1166 1206 1325 1474 1590 1650 1675 1749 2010 2098 2211 2385 2475 2650 2915 3015 3147 3350 3498 3551 3685 3975 4422 4770 4950 5025 5245 5247 5830 6030 6294 6633 7102 7370 7950 8745 9441 10050 10490 10494 10653 11055 11539 11925 13266 14575 15075 15735 17490 17755 18425 18882 21306 22110 23078 23850 26225 26235 29150 30150 31470 31959 33165 34617 35510 36850 39061 43725 47205 52450 52470 53265 55275 55597 57695 63918 66330 69234 70283 78122 78675 87450 88775 94410 103851 106530 110550 111194 115390 117183 131175 140566 157350 159795 165825 166791 173085 177550 195305 207702 210849 234366 236025 262350 266325 277985 288475 319590 331650 333582 346170 351415 351549 390610 421698 472050 500373 519255 532650 555970 576950 585915 611567 632547 702830 703098 773113 798975 833955 865425 976525 1000746 1038510 1054245 1171830 1223134 1265094 1389925 1546226 1597950 1667910 1730850 1757075 1757745 1834701 1953050 2108490 2319339 2501865 2596275 2779850 2929575 3057835 3162735 3514150 3515490 3669402 3724999 3865565 4169775 4638678 5003730 5192550 5271225 5504103 5859150 6115670 6325470 6958017 7449998 7731130 8339550 8788725 9173505 10542450 11008206 11174997 11596695 12509325 13916034 15289175 15813675 17577450 18347010 18624995 19327825 22349994 23193390 25018650 27520515 30578350 31627350 33524991 34790085 37249990 38655650 40974989 45867525 55041030 55874985 57983475 67049982 69580170 81949978 91735050 93124975 111749970 115966950 122924967 137602575 167624955 173950425 186249950 204874945 245849934 275205150 279374925 335249910 347900850 368774901 409749890 558749850 614624835 737549802 838124775 1024374725 1229249670 1676249550 1843874505 2048749450 3073124175 3687749010 6146248350 9219372525 18438745050
- Sum of all divisors σ(n): 55937044800
- Sum of proper divisors (its aliquot sum) s(n): 37498299750
- 18438745050 is an abundant number, because the sum of its proper divisors (37498299750) is greater than itself. Its abundance is 19059554700
Bases of 18438745050
- Binary: 100010010110000100011101011110110102
- Hexadecimal: 0x44B08EBDA
- Base-36: 8GXYAQI
Squares and roots of 18438745050
- 18438745050 squared (184387450502) is 339987319018899502500
- 18438745050 cubed (184387450503) is 6268939495622504058169337625000
-
The
square root of 18438745050 is 135789.3407083191 -
The
cube root of 18438745050 is 2641.8639771859
Scales and comparisons
How big is 18438745050?- 18,438,745,050 seconds is equal to 586 years, 15 weeks, 2 days, 9 hours, 37 minutes, 30 seconds.
-
To count from 1 to 18,438,745,050 would take you about one thousand, one hundred seventy-two 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 18438745050 cubic inches would be around 220.2 feet tall.
Recreational maths with 18438745050
- 18438745050 backwards is 05054783481
- 18438745050 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 18438745050's digits is 45
- More coming soon!
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