1388019420
1,388,019,420 is an even composite number composed of five prime numbers multiplied together.
What does the number 1388019420 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 72 divisors.
1388019420 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 1388019420:
22 × 32 × 5 × 31 × 248749
(2 × 2 × 3 × 3 × 5 × 31 × 248749)See below for interesting mathematical facts about the number 1388019420 from the Numbermatics database.
Names of 1388019420
- Cardinal: 1388019420 can be written as One billion, three hundred eighty-eight million, nineteen thousand, four hundred twenty.
Scientific notation
- Scientific notation: 1.38801942 × 109
Factors of 1388019420
Divisors of 1388019420
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 30 31 36 45 60 62 90 93 124 155 180 186 279 310 372 465 558 620 930 1116 1395 1860 2790 5580 248749 497498 746247 994996 1243745 1492494 2238741 2487490 2984988 3731235 4477482 4974980 7462470 7711219 8954964 11193705 14924940 15422438 22387410 23133657 30844876 38556095 44774820 46267314 69400971 77112190 92534628 115668285 138801942 154224380 231336570 277603884 347004855 462673140 694009710 1388019420
- Sum of all divisors σ(n): 4346160000
- Sum of proper divisors (its aliquot sum) s(n): 2958140580
- 1388019420 is an abundant number, because the sum of its proper divisors (2958140580) is greater than itself. Its abundance is 1570121160
Bases of 1388019420
- Binary: 10100101011101101111110110111002
- Hexadecimal: 0x52BB7EDC
- Base-36: MYE2N0
Squares and roots of 1388019420
- 1388019420 squared (13880194202) is 1926597910297136400
- 1388019420 cubed (13880194203) is 2674155314023843293588888000
-
The
square root of 1388019420 is 37256.1326495383 -
The
cube root of 1388019420 is 1115.4887144209
Scales and comparisons
How big is 1388019420?- 1,388,019,420 seconds is equal to 44 years, 7 weeks, 57 minutes.
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To count from 1 to 1,388,019,420 would take you about eighty-eight 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 1388019420 cubic inches would be around 93 feet tall.
Recreational maths with 1388019420
- 1388019420 backwards is 0249108831
- 1388019420 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1388019420's digits is 36
- More coming soon!
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"Number 1388019420 - Facts about the integer". Numbermatics.com. 2024. Web. 12 May 2024.
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Numbermatics. (2024). Number 1388019420 - Facts about the integer. Retrieved 12 May 2024, from https://numbermatics.com/n/1388019420/
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The information we have on file for 1388019420 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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