21031031 (number)

21031031 is an odd 8-digits composite number following 21031030 and preceding 21031032. In scientific notation, it is written as 2.1031031 × 10^7. The sum of its digits is 11. It has a total of 3 prime factors and 8 positive divisors. There are 17730720 positive integers (up to 21031031) that are relatively prime to 21031031.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand thirty-one

Notation

Scientific notation 2.1031031 × 10^7
Engineering notation 2.1031031 × 10^6

Prime Factorization of 21031031

Prime Factorization 7 × 61 × 49253

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031031
Product of the distinct prime numbers

The prime factorization of 21031031 is 7 × 61 × 49253. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 2, 73, 90, 642, 912, 3027, 7614, 31055, 42716, 389656, 975978, 9364017, 2049683, 1590973, 73666409, 902778469, 29908556, 8554678355, 8303686942

Basic calculations (n = 21031031)

Multiplication

n×y
n×2 42062062
n×3 63093093
n×4 84124124
n×5 105155155

Division

n÷y
n÷2 10515515.5
n÷3 7010343.6666667
n÷3 5257757.75
n÷5 4206206.2

Exponentiation

ny
n2 442304264922961
n3 9.302114707027E+21
n4 1.9563306276904E+29
n5 4.1143650077206E+36

Nth Root

y√n
2√n 4585.960204799
3√n 276.02824310152
4√n 67.719717991136
5√n 29.145540436034

Divisors of 21031031

1, 7, 61, 427, 49253, 344771, 3004433, 21031031

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 -21031030
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 21031031 can be divided by 8 positive divisors. The sum of these divisors (counting 21031031) is 1, the average is 0.125.

Base conversion 21031031

Base System Value
2 Binary 1010000001110100001110111
3 Ternary 1110120111011002
4 Quaternary 1100032201313
5 Quinary 20340443111
6 Senary 2030433515
8 Octal 120164167
10 Decimal 21031031
12 Duodecimal 706289b
16 Hexadecimal 140e877
20 Vigesimal 6b8hbb
36 Base36 cirnb

Cryptographic Hash Functions

md5 e5e8fe6e777951f405839c71e7f3a357
sha1 239573f261ac627660149eaeaa036373872abfd2
sha256 bd998f150e13e48e9972ce16b3767f3189ce0175862a5207d60d780115654ee8
sha512 f090d1d6dcab97bf731ae31c5f5db0206144a21d18db1f02944531179e11ba662225b649413d1cda2a1cd04f2b464ed0f1237fafda347510a34682c1d002978c
ripemd-160 779f93053a124d2c85bec300fddc9a6fe8b77dc7

21031031 as geometric shapes

Circle

Radius = n
Diameter 42062062
Circumference 132141864.97404
Area 1.3895398293334E+15

Sphere

Radius = n
Volume 3.8964606968594E+22
Surface area 5.5581593173336E+15
Circumference 132141864.97404

Square

Length = n
Perimeter 84124124
Area 442304264922961
Diagonal 29742369.270889

Cube

Length = n
Surface area 2653825589537766
Volume 9.302114707027E+21
Space diagonal 36426814.227556

Equilateral Triangle

Length = n
Perimeter 63093093
Area 1.9152336481274E+14
Altitude 18213407.113778

Triangular Pyramid

Length = n
Surface area 1.9152336481274E+14
Volume 1.0962647314523E+21
Height 9914123.0902963