21081058 (number)

21081058 is an even 8-digits composite number following 21081057 and preceding 21081059. In scientific notation, it is written as 2.1081058 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 10540528 positive integers (up to 21081058) that are relatively prime to 21081058.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-one thousand fifty-eight

Notation

Scientific notation 2.1081058 × 10^7
Engineering notation 2.1081058 × 10^6

Prime Factorization of 21081058

Prime Factorization 2 × 10540529

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21081058
Product of the distinct prime numbers

The prime factorization of 21081058 is 2 × 10540529. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21081058)

Multiplication

n×y
n×2 42162116
n×3 63243174
n×4 84324232
n×5 105405290

Division

n÷y
n÷2 10540529
n÷3 7027019.3333333
n÷3 5270264.5
n÷5 4216211.6

Exponentiation

ny
n2 444411006399364
n3 9.3686542017434E+21
n4 1.975011426089E+29
n5 4.1635330424044E+36

Nth Root

y√n
2√n 4591.4113298636
3√n 276.24693471343
4√n 67.759953732744
5√n 29.159393095906

Divisors of 21081058

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 -21081057
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 21081058 can be divided by 4 positive divisors. The sum of these divisors (counting 21081058) is 1, the average is 0.25.

Base conversion 21081058

Base System Value
2 Binary 1010000011010101111100010
3 Ternary 1110200000202221
4 Quaternary 1100122233202
5 Quinary 20344043213
6 Senary 2031501254
8 Octal 120325742
10 Decimal 21081058
12 Duodecimal 708782a
16 Hexadecimal 141abe2
20 Vigesimal 6bf2ci
36 Base36 cju8y

Cryptographic Hash Functions

md5 931c47b33cb1ef645adb127711f2dfba
sha1 3047578358fcce2f1e5cab5215054f7bdea88fe8
sha256 7384b3359fd96985e050ee533993c13d85ae33caeadef008997d84b0ed952713
sha512 0b78877b5d3abb35fbce22500c87071adec371bf5f1036ea10225a3c04ab19c889b0f582c6dfd8dcc57107eb2760fd72b4cb36b2cc8655002477287c2d30b33d
ripemd-160 1ee792f26e231a6c1eda86970da9176286fc5abd

21081058 as geometric shapes

Circle

Radius = n
Diameter 42162116
Circumference 132456193.8854
Area 1.3961583528787E+15

Sphere

Radius = n
Volume 3.9243326952293E+22
Surface area 5.5846334115148E+15
Circumference 132456193.8854

Square

Length = n
Perimeter 84324232
Area 444411006399364
Diagonal 29813118.132774

Cube

Length = n
Surface area 2666466038396184
Volume 9.3686542017434E+21
Space diagonal 36513463.533306

Equilateral Triangle

Length = n
Perimeter 63243174
Area 1.9243561063163E+14
Altitude 18256731.766653

Triangular Pyramid

Length = n
Surface area 1.9243561063163E+14
Volume 1.1041064861074E+21
Height 9937706.0442579