1138405840
1,138,405,840 is an even composite number composed of six prime numbers multiplied together.
What does the number 1138405840 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 160 divisors.
1138405840 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 1138405840:
24 × 5 × 11 × 13 × 191 × 521
(2 × 2 × 2 × 2 × 5 × 11 × 13 × 191 × 521)See below for interesting mathematical facts about the number 1138405840 from the Numbermatics database.
Names of 1138405840
- Cardinal: 1138405840 can be written as One billion, one hundred thirty-eight million, four hundred five thousand, eight hundred forty.
Scientific notation
- Scientific notation: 1.13840584 × 109
Factors of 1138405840
Divisors of 1138405840
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 4 5 8 10 11 13 16 20 22 26 40 44 52 55 65 80 88 104 110 130 143 176 191 208 220 260 286 382 440 520 521 572 715 764 880 955 1040 1042 1144 1430 1528 1910 2084 2101 2288 2483 2605 2860 3056 3820 4168 4202 4966 5210 5720 5731 6773 7640 8336 8404 9932 10420 10505 11440 11462 12415 13546 15280 16808 19864 20840 21010 22924 24830 27092 27313 28655 33616 33865 39728 41680 42020 45848 49660 54184 54626 57310 67730 74503 84040 91696 99320 99511 108368 109252 114620 135460 136565 149006 168080 198640 199022 218504 229240 270920 273130 298012 372515 398044 437008 458480 497555 541840 546260 596024 745030 796088 995110 1092520 1094621 1192048 1293643 1490060 1592176 1990220 2185040 2189242 2587286 2980120 3980440 4378484 5174572 5473105 5960240 6468215 7960880 8756968 10349144 10946210 12936430 14230073 17513936 20698288 21892420 25872860 28460146 43784840 51745720 56920292 71150365 87569680 103491440 113840584 142300730 227681168 284601460 569202920 1138405840
- Sum of all divisors σ(n): 3131799552
- Sum of proper divisors (its aliquot sum) s(n): 1993393712
- 1138405840 is an abundant number, because the sum of its proper divisors (1993393712) is greater than itself. Its abundance is 854987872
Bases of 1138405840
- Binary: 10000111101101010110001110100002
- Hexadecimal: 0x43DAB1D0
- Base-36: ITRZKG
Squares and roots of 1138405840
- 1138405840 squared (11384058402) is 1295967856546105600
- 1138405840 cubed (11384058403) is 1475337376344368844296704000
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The
square root of 1138405840 is 33740.2703012291 -
The
cube root of 1138405840 is 1044.1567612013
Scales and comparisons
How big is 1138405840?- 1,138,405,840 seconds is equal to 36 years, 10 weeks, 1 day, 23 hours, 50 minutes, 40 seconds.
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To count from 1 to 1,138,405,840 would take you about 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 1138405840 cubic inches would be around 87 feet tall.
Recreational maths with 1138405840
- 1138405840 backwards is 0485048311
- The number of decimal digits it has is: 10
- The sum of 1138405840's digits is 34
- More coming soon!
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