21031858 (number)

21031858 is an even 8-digits composite number following 21031857 and preceding 21031859. In scientific notation, it is written as 2.1031858 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 10515928 positive integers (up to 21031858) that are relatively prime to 21031858.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031858 × 10^7
Engineering notation 2.1031858 × 10^6

Prime Factorization of 21031858

Prime Factorization 2 × 10515929

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21031858
Product of the distinct prime numbers

The prime factorization of 21031858 is 2 × 10515929. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 7, 81, 51, 180, 469, 6576, 9325, 97108, 81087, 652988, 787931, 2212597, 4343201, 91870977, 97688224, 253615056, 841479440, 5449081318, 7122295984

Basic calculations (n = 21031858)

Multiplication

n×y
n×2 42063716
n×3 63095574
n×4 84127432
n×5 105159290

Division

n÷y
n÷2 10515929
n÷3 7010619.3333333
n÷3 5257964.5
n÷5 4206371.6

Exponentiation

ny
n2 442339050932164
n3 9.30321210706E+21
n4 1.9566383597957E+29
n5 4.1151740140576E+36

Nth Root

y√n
2√n 4586.0503704168
3√n 276.03186112616
4√n 67.720383714335
5√n 29.14576964955

Divisors of 21031858

1, 2, 10515929, 21031858

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031857
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031858 can be divided by 4 positive divisors. The sum of these divisors (counting 21031858) is 1, the average is 0.25.

Base conversion 21031858

Base System Value
2 Binary 1010000001110101110110010
3 Ternary 1110120112021201
4 Quaternary 1100032232302
5 Quinary 20341004413
6 Senary 2030441414
8 Octal 120165662
10 Decimal 21031858
12 Duodecimal 706326a
16 Hexadecimal 140ebb2
20 Vigesimal 6b8jci
36 Base36 cisaa

Cryptographic Hash Functions

md5 e4a3ea62b94423f855ad0b48bd66c473
sha1 c6dba6830f206c6b2609cf5813eee9f767c22a3e
sha256 ec39c7f8cea8f1b7a3fae1d18151fa42b4b37b274ae826e48647ca0bf5b8611a
sha512 69e151c5ec074b06bb3f9f98f205a01d5c31e07f280a91a7dae04ac478c2e9198d12ba0f0f143fceee759e57425bd2f2ddad18e3de79803fa513f0c6ca3d413c
ripemd-160 0637da2a53982c8cdfb41e30d5874507c798ffff

21031858 as geometric shapes

Circle

Radius = n
Diameter 42063716
Circumference 132147061.16829
Area 1.3896491128044E+15

Sphere

Radius = n
Volume 3.8969203747103E+22
Surface area 5.5585964512175E+15
Circumference 132147061.16829

Square

Length = n
Perimeter 84127432
Area 442339050932164
Diagonal 29743538.825505

Cube

Length = n
Surface area 2654034305592984
Volume 9.30321210706E+21
Space diagonal 36428246.633574

Equilateral Triangle

Length = n
Perimeter 63095574
Area 1.9153842759658E+14
Altitude 18214123.316787

Triangular Pyramid

Length = n
Surface area 1.9153842759658E+14
Volume 1.0963940612865E+21
Height 9914512.941835