31909428 (number)

31909428 is an even 8-digits composite number following 31909427 and preceding 31909429. In scientific notation, it is written as 3.1909428 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 10409616 positive integers (up to 31909428) that are relatively prime to 31909428.

Interesting facts

Basic properties

Name

Name thirty-one million nine hundred nine thousand four hundred twenty-eight

Notation

Scientific notation 3.1909428 × 10^7
Engineering notation 3.1909428 × 10^6

Prime Factorization of 31909428

Prime Factorization 2 × 2 × 9 × 47 × 18859

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 15954714
Product of the distinct prime numbers

The prime factorization of 31909428 is 2 × 2 × 9 × 47 × 18859. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 3, 74, 74, 707, 464, 4156, 4961, 76620, 54057, 145565, 239189, 5027906, 6569964, 35833778, 20073527, 43627866, 923140220, 9946902917, 2481196708

Basic calculations (n = 31909428)

Multiplication

n×y
n×2 63818856
n×3 95728284
n×4 127637712
n×5 159547140

Division

n÷y
n÷2 15954714
n÷3 10636476
n÷3 7977357
n÷5 6381885.6

Exponentiation

ny
n2 1018211595287184
n3 3.2490549588582E+22
n4 1.0367548527773E+30
n5 3.3082254328347E+37

Nth Root

y√n
2√n 5648.84306739
3√n 317.18039800482
4√n 75.158785696617
5√n 31.679900131792

Divisors of 31909428

1, 2, 4, 9, 18, 36, 47, 94, 188, 423, 846, 1692, 18859, 37718, 75436, 169731, 339462, 678924, 886373, 1772746, 3545492, 7977357, 15954714, 31909428

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 -31909427
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 31909428 can be divided by 24 positive divisors. The sum of these divisors (counting 31909428) is 1, the average is 0.041666666666667.

Base conversion 31909428

Base System Value
2 Binary 1111001101110011000110100
3 Ternary 2020001011111200
4 Quaternary 1321232120310
5 Quinary 31132100203
6 Senary 3055532500
8 Octal 171563064
10 Decimal 31909428
12 Duodecimal a82a130
16 Hexadecimal 1e6e634
20 Vigesimal 9j8db8
36 Base36 izxh0

Cryptographic Hash Functions

md5 2dfe6b8d5fde64e7d5d5f733b415adb8
sha1 51b7aeed33d88726b1d3a537c0b636520abe0a72
sha256 8630d083ca02605ad04042b51d8c2df3c335cf3c6cf7521648557ac0ba76bf96
sha512 3be81636423ee8008b952b791bb01eafa78f31df03ab6e5e9acb9783a70a975c27cd24b6c50e89c0ce39cd05176fae5df67bc5998e2f1121171f128cd9469bb3
ripemd-160 408cd090869f2d8e1b04c79fb5b8a929f42a1ac3

31909428 as geometric shapes

Circle

Radius = n
Diameter 63818856
Circumference 200492849.1701
Area 3.1988060675542E+15

Sphere

Radius = n
Volume 1.3609609586478E+23
Surface area 1.2795224270217E+16
Circumference 200492849.1701

Square

Length = n
Perimeter 127637712
Area 1018211595287184
Diagonal 45126745.845168

Cube

Length = n
Surface area 6109269571723104
Volume 3.2490549588582E+22
Space diagonal 55268750.536461

Equilateral Triangle

Length = n
Perimeter 95728284
Area 4.4089855397329E+14
Altitude 27634375.26823

Triangular Pyramid

Length = n
Surface area 4.4089855397329E+14
Volume 3.8290479897606E+21
Height 15042248.615056