21551938 (number)

21551938 is an even 8-digits composite number following 21551937 and preceding 21551939. In scientific notation, it is written as 2.1551938 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 10769220 positive integers (up to 21551938) that are relatively prime to 21551938.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1551938 × 10^7
Engineering notation 2.1551938 × 10^6

Prime Factorization of 21551938

Prime Factorization 2 × 4159 × 2591

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21551938
Product of the distinct prime numbers

The prime factorization of 21551938 is 2 × 4159 × 2591. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21551938)

Multiplication

n×y
n×2 43103876
n×3 64655814
n×4 86207752
n×5 107759690

Division

n÷y
n÷2 10775969
n÷3 7183979.3333333
n÷3 5387984.5
n÷5 4310387.6

Exponentiation

ny
n2 464486031555844
n3 1.0010574153958E+22
n4 2.157472735105E+29
n5 4.6497718623673E+36

Nth Root

y√n
2√n 4642.4064880189
3√n 278.28861732395
4√n 68.135207404241
5√n 29.288509157417

Divisors of 21551938

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 -21551937
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 21551938 can be divided by 8 positive divisors. The sum of these divisors (counting 21551938) is 1, the average is 0.125.

Base conversion 21551938

Base System Value
2 Binary 1010010001101101101000010
3 Ternary 1111112221200221
4 Quaternary 1102031231002
5 Quinary 21004130223
6 Senary 2045533254
8 Octal 122155502
10 Decimal 21551938
12 Duodecimal 727422a
16 Hexadecimal 148db42
20 Vigesimal 6edjgi
36 Base36 ctxky

Cryptographic Hash Functions

md5 48fdcf4a16f8b2a8b80765b4ec6e6d87
sha1 0ff750e39543bffc1312dcfbef8e89c60a0bbc2f
sha256 0a1cd0bbbde7315b82200c424e9eeef7898dd11817ed2320d17a2b973403bf85
sha512 01f1e1eb5ad53597d645dcd6fbaa50fe86289bf7c376a5547bb0d867c8f89e85e7324b6dd39a3a8a25b2164c6e61f416654a425431dc1d917ae102343f3fac00
ripemd-160 b24b4e589a6ef47eda9f145860afbff0efc1445c

21551938 as geometric shapes

Circle

Radius = n
Diameter 43103876
Circumference 135414820.18285
Area 1.4592259044309E+15

Sphere

Radius = n
Volume 4.1932194960385E+22
Surface area 5.8369036177237E+15
Circumference 135414820.18285

Square

Length = n
Perimeter 86207752
Area 464486031555844
Diagonal 30479043.015024

Cube

Length = n
Surface area 2786916189335064
Volume 1.0010574153958E+22
Space diagonal 37329051.617574

Equilateral Triangle

Length = n
Perimeter 64655814
Area 2.0112835151519E+14
Altitude 18664525.808787

Triangular Pyramid

Length = n
Surface area 2.0112835151519E+14
Volume 1.1797574779724E+21
Height 10159681.005008