31128538 (number)

31128538 is an even 8-digits composite number following 31128537 and preceding 31128539. In scientific notation, it is written as 3.1128538 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 13340796 positive integers (up to 31128538) that are relatively prime to 31128538.

Interesting facts

Basic properties

Name

Name thirty-one million one hundred twenty-eight thousand five hundred thirty-eight

Notation

Scientific notation 3.1128538 × 10^7
Engineering notation 3.1128538 × 10^6

Prime Factorization of 31128538

Prime Factorization 2 × 7 × 2223467

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31128538
Product of the distinct prime numbers

The prime factorization of 31128538 is 2 × 7 × 2223467. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31128538)

Multiplication

n×y
n×2 62257076
n×3 93385614
n×4 124514152
n×5 155642690

Division

n÷y
n÷2 15564269
n÷3 10376179.333333
n÷3 7782134.5
n÷5 6225707.6

Exponentiation

ny
n2 968985878017444
n3 3.0163113725329E+22
n4 9.3893363179724E+29
n5 2.9227631236878E+37

Nth Root

y√n
2√n 5579.295475237
3√n 314.5716458659
4√n 74.694681706511
5√n 31.523305058021

Divisors of 31128538

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31128537
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31128538 can be divided by 8 positive divisors. The sum of these divisors (counting 31128538) is 1, the average is 0.125.

Base conversion 31128538

Base System Value
2 Binary 1110110101111101111011010
3 Ternary 2011120111022211
4 Quaternary 1312233233122
5 Quinary 30432103123
6 Senary 3031105334
8 Octal 166575732
10 Decimal 31128538
12 Duodecimal a51224a
16 Hexadecimal 1dafbda
20 Vigesimal 9eb16i
36 Base36 ij6xm

Cryptographic Hash Functions

md5 ec6c7681e253f62d0864ccfee558618c
sha1 2bf643d74220fc72d8c371e103cdfbbba7a65151
sha256 d74bec12abcb59ffa9a0cfa04b0da546c531025811d6fb382f80c6a057c2f0f9
sha512 ca7b135394b2c74bf6191a2bb48e72d217302f4f4544ec162641f80f193209414878ae4d69dbe3155bcbba8b07ab78c8968c9e527eb442683165967fd0609f8e
ripemd-160 fd91dbefb39de6494bdbff7f491ed9737c6563c1

31128538 as geometric shapes

Circle

Radius = n
Diameter 62257076
Circumference 195586372.59558
Area 3.0441589158119E+15

Sphere

Radius = n
Volume 1.2634695531852E+23
Surface area 1.2176635663247E+16
Circumference 195586372.59558

Square

Length = n
Perimeter 124514152
Area 968985878017444
Diagonal 44022400.616446

Cube

Length = n
Surface area 5813915268104664
Volume 3.0163113725329E+22
Space diagonal 53916209.381338

Equilateral Triangle

Length = n
Perimeter 93385614
Area 4.1958319313574E+14
Altitude 26958104.690669

Triangular Pyramid

Length = n
Surface area 4.1958319313574E+14
Volume 3.5547570428136E+21
Height 14674133.538815