31139940 (number)

31139940 is an even 8-digits composite number following 31139939 and preceding 31139941. In scientific notation, it is written as 3.1139940 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors. There are 7368192 positive integers (up to 31139940) that are relatively prime to 31139940.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1139940 × 10^7
Engineering notation 3.1139940 × 10^6

Prime Factorization of 31139940

Prime Factorization 2 × 2 × 15 × 6253 × 83

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 15569970
Product of the distinct prime numbers

The prime factorization of 31139940 is 2 × 2 × 15 × 6253 × 83. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31139940)

Multiplication

n×y
n×2 62279880
n×3 93419820
n×4 124559760
n×5 155699700

Division

n÷y
n÷2 15569970
n÷3 10379980
n÷3 7784985
n÷5 6227988

Exponentiation

ny
n2 969695863203600
n3 3.0196270998408E+22
n4 9.4031006711417E+29
n5 2.9281199071331E+37

Nth Root

y√n
2√n 5580.3171952856
3√n 314.61004908364
4√n 74.701520702631
5√n 31.525614039407

Divisors of 31139940

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31139939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31139940 can be divided by 24 positive divisors. The sum of these divisors (counting 31139940) is 1, the average is 0.041666666666667.

Base conversion 31139940

Base System Value
2 Binary 1110110110010100001100100
3 Ternary 2011121001222010
4 Quaternary 1312302201210
5 Quinary 30432434230
6 Senary 3031234220
8 Octal 166624144
10 Decimal 31139940
12 Duodecimal a518970
16 Hexadecimal 1db2864
20 Vigesimal 9ec9h0
36 Base36 ijfqc

Cryptographic Hash Functions

md5 abcd73c276e7dc212837280efb13b05d
sha1 6e3e11f780d53c549a02cf570ec98f13fbd162a4
sha256 d385611e1357a220be1d7926d327082f588efca6b42dfee8c283b08b3ca7a23e
sha512 b2b235282879e8196c1c7dde494216e7b3919952c4eb0920a14f57c317c70218cc467cf914f2b7958fd50da520cfccee9a98279dd89f1be58028ded580920147
ripemd-160 3e7bbb536d60022e63b4ed8e8544a1b18f22a6d8

31139940 as geometric shapes

Circle

Radius = n
Diameter 62279880
Circumference 195658013.47445
Area 3.0463894000568E+15

Sphere

Radius = n
Volume 1.2648584417921E+23
Surface area 1.2185557600227E+16
Circumference 195658013.47445

Square

Length = n
Perimeter 124559760
Area 969695863203600
Diagonal 44038525.479484

Cube

Length = n
Surface area 5818175179221600
Volume 3.0196270998408E+22
Space diagonal 53935958.224646

Equilateral Triangle

Length = n
Perimeter 93419820
Area 4.198906257395E+14
Altitude 26967979.112323

Triangular Pyramid

Length = n
Surface area 4.198906257395E+14
Volume 3.5586646649202E+21
Height 14679508.493161