21557039 (number)

21557039 is an odd 8-digits composite number following 21557038 and preceding 21557040. In scientific notation, it is written as 2.1557039 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 17332704 positive integers (up to 21557039) that are relatively prime to 21557039.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-seven thousand thirty-nine

Notation

Scientific notation 2.1557039 × 10^7
Engineering notation 2.1557039 × 10^6

Prime Factorization of 21557039

Prime Factorization 7 × 19 × 109 × 1487

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21557039
Product of the distinct prime numbers

The prime factorization of 21557039 is 7 × 19 × 109 × 1487. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21557039)

Multiplication

n×y
n×2 43114078
n×3 64671117
n×4 86228156
n×5 107785195

Division

n÷y
n÷2 10778519.5
n÷3 7185679.6666667
n÷3 5389259.75
n÷5 4311407.8

Exponentiation

ny
n2 464705930447521
n3 1.0017683866188E+22
n4 2.159516017931E+29
n5 4.6552771019662E+36

Nth Root

y√n
2√n 4642.9558473024
3√n 278.31057108447
4√n 68.139238675689
5√n 29.289895450778

Divisors of 21557039

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21557038
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21557039 can be divided by 16 positive divisors. The sum of these divisors (counting 21557039) is 1, the average is 0.0625.

Base conversion 21557039

Base System Value
2 Binary 1010010001110111100101111
3 Ternary 1111120012200212
4 Quaternary 1102032330233
5 Quinary 21004311124
6 Senary 2050013035
8 Octal 122167457
10 Decimal 21557039
12 Duodecimal 727717b
16 Hexadecimal 148ef2f
20 Vigesimal 6eecbj
36 Base36 cu1in

Cryptographic Hash Functions

md5 f976b2bd6851f2f2ae384d2705b1475d
sha1 1732bcd65c854a6f6f709f42771b92a77fc471f8
sha256 43faac9dcf2b706ccbc6d126e5a358f642c2596bc0dee7b81f0dd32849a75898
sha512 ca62c84e9354e6f4100b614d79f796f8837df299e12ac9edcfdf4e266d3602f42cdac6e2d10047a91ba0ddf24c380565cffe006beb77f69d897239f0e4dfb713
ripemd-160 5cddcaa6972bb6f1453033440b3e346b704788ab

21557039 as geometric shapes

Circle

Radius = n
Diameter 43114078
Circumference 135446870.7111
Area 1.4599167371735E+15

Sphere

Radius = n
Volume 4.1961976053337E+22
Surface area 5.8396669486942E+15
Circumference 135446870.7111

Square

Length = n
Perimeter 86228156
Area 464705930447521
Diagonal 30486256.918406

Cube

Length = n
Surface area 2788235582685126
Volume 1.0017683866188E+22
Space diagonal 37337886.808744

Equilateral Triangle

Length = n
Perimeter 64671117
Area 2.0122357052842E+14
Altitude 18668943.404372

Triangular Pyramid

Length = n
Surface area 2.0122357052842E+14
Volume 1.1805953655942E+21
Height 10162085.639469