31139905 (number)

31139905 is an odd 8-digits composite number following 31139904 and preceding 31139906. In scientific notation, it is written as 3.1139905 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 24337728 positive integers (up to 31139905) that are relatively prime to 31139905.

Interesting facts

Basic properties

Name

Name thirty-one million one hundred thirty-nine thousand nine hundred five

Notation

Scientific notation 3.1139905 × 10^7
Engineering notation 3.1139905 × 10^6

Prime Factorization of 31139905

Prime Factorization 5 × 59 × 373 × 283

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 31139905
Product of the distinct prime numbers

The prime factorization of 31139905 is 5 × 59 × 373 × 283. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31139905)

Multiplication

n×y
n×2 62279810
n×3 93419715
n×4 124559620
n×5 155699525

Division

n÷y
n÷2 15569952.5
n÷3 10379968.333333
n÷3 7784976.25
n÷5 6227981

Exponentiation

ny
n2 969693683409025
n3 3.0196169180457E+22
n4 9.4030583964336E+29
n5 2.928103451744E+37

Nth Root

y√n
2√n 5580.3140592623
3√n 314.60993121405
4√n 74.70149971227
5√n 31.525606952708

Divisors of 31139905

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31139904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31139905 can be divided by 16 positive divisors. The sum of these divisors (counting 31139905) is 1, the average is 0.0625.

Base conversion 31139905

Base System Value
2 Binary 1110110110010100001000001
3 Ternary 2011121001220211
4 Quaternary 1312302201001
5 Quinary 30432434110
6 Senary 3031234121
8 Octal 166624101
10 Decimal 31139905
12 Duodecimal a518941
16 Hexadecimal 1db2841
20 Vigesimal 9ec9f5
36 Base36 ijfpd

Cryptographic Hash Functions

md5 21907dd40189d64b188055d889afeda5
sha1 229508b4f2c2e083e5e097ddb8009a3e93757cf2
sha256 ab43bf6c7000be34852e8e2ad30dc6afc5091b49bd5c9db2ae42879146f6f452
sha512 2985a15ce16d981054d71d034ea7cd18bef1c34e7e6d16520f2db7c61ecac7e2b78a375d32bbf421a11deb2757390d20f03b3f615d4001a904e9df48a1fac4f1
ripemd-160 e49a7c5e6ef2d25ed9ea04fdc1acbfebff62aeab

31139905 as geometric shapes

Circle

Radius = n
Diameter 62279810
Circumference 195657793.56297
Area 3.0463825520302E+15

Sphere

Radius = n
Volume 1.2648541768517E+23
Surface area 1.2185530208121E+16
Circumference 195657793.56297

Square

Length = n
Perimeter 124559620
Area 969693683409025
Diagonal 44038475.98201

Cube

Length = n
Surface area 5818162100454150
Volume 3.0196169180457E+22
Space diagonal 53935897.602868

Equilateral Triangle

Length = n
Perimeter 93419715
Area 4.1988968186076E+14
Altitude 26967948.801434

Triangular Pyramid

Length = n
Surface area 4.1988968186076E+14
Volume 3.5586526655596E+21
Height 14679491.994003