138891405250
138,891,405,250 is an even composite number composed of six prime numbers multiplied together.
138891405250 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 138891405250:
2 × 53 × 13 × 23 × 41 × 45319
(2 × 5 × 5 × 5 × 13 × 23 × 41 × 45319)See below for interesting mathematical facts about the number 138891405250 from the Numbermatics database.
Names of 138891405250
- Cardinal: 138891405250 can be written as One hundred thirty-eight billion, eight hundred ninety-one million, four hundred five thousand, two hundred fifty.
Scientific notation
- Scientific notation: 1.3889140525 × 1011
Factors of 138891405250
Divisors of 138891405250
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 5 10 13 23 25 26 41 46 50 65 82 115 125 130 205 230 250 299 325 410 533 575 598 650 943 1025 1066 1150 1495 1625 1886 2050 2665 2875 2990 3250 4715 5125 5330 5750 7475 9430 10250 12259 13325 14950 23575 24518 26650 37375 45319 47150 61295 66625 74750 90638 117875 122590 133250 226595 235750 306475 453190 589147 612950 1042337 1132975 1178294 1532375 1858079 2084674 2265950 2945735 3064750 3716158 5211685 5664875 5891470 9290395 10423370 11329750 13550381 14728675 18580790 24155027 26058425 27100762 29457350 42735817 46451975 48310054 52116850 67751905 73643375 85471634 92903950 120775135 130292125 135503810 147286750 213679085 232259875 241550270 260584250 338759525 427358170 464519750 555565621 603875675 677519050 1068395425 1111131242 1207751350 1693797625 2136790850 2777828105 3019378375 3387595250 5341977125 5555656210 6038756750 10683954250 13889140525 27778281050 69445702625 138891405250
- Sum of all divisors σ(n): 299312133120
- Sum of proper divisors (its aliquot sum) s(n): 160420727870
- 138891405250 is an abundant number, because the sum of its proper divisors (160420727870) is greater than itself. Its abundance is 21529322620
Bases of 138891405250
- Binary: 100000010101101001001010100111110000102
- Hexadecimal: 0x205692A7C2
- Base-36: 1RT0CU6A
Squares and roots of 138891405250
- 138891405250 squared (1388914052502) is 19290822452319727562500
- 138891405250 cubed (1388914052503) is 2679329438830938083452782203125000
-
The
square root of 138891405250 is 372681.3722873737 -
The
cube root of 138891405250 is 5178.7521187437
Scales and comparisons
How big is 138891405250?- 138,891,405,250 seconds is equal to 4,416 years, 16 weeks, 3 days, 9 hours, 54 minutes, 10 seconds.
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To count from 1 to 138,891,405,250 would take you about eight thousand, eight hundred thirty-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 138891405250 cubic inches would be around 431.6 feet tall.
Recreational maths with 138891405250
- 138891405250 backwards is 052504198831
- 138891405250 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 138891405250's digits is 46
- More coming soon!
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