21551142 (number)

21551142 is an even 8-digits composite number following 21551141 and preceding 21551143. In scientific notation, it is written as 2.1551142 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 7174272 positive integers (up to 21551142) that are relatively prime to 21551142.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand one hundred forty-two

Notation

Scientific notation 2.1551142 × 10^7
Engineering notation 2.1551142 × 10^6

Prime Factorization of 21551142

Prime Factorization 2 × 3 × 953 × 3769

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21551142
Product of the distinct prime numbers

The prime factorization of 21551142 is 2 × 3 × 953 × 3769. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21551142)

Multiplication

n×y
n×2 43102284
n×3 64653426
n×4 86204568
n×5 107755710

Division

n÷y
n÷2 10775571
n÷3 7183714
n÷3 5387785.5
n÷5 4310228.4

Exponentiation

ny
n2 464451721504164
n3 1.0009465002281E+22
n4 2.1571540160818E+29
n5 4.6489132516449E+36

Nth Root

y√n
2√n 4642.3207558289
3√n 278.28519117473
4√n 68.134578268519
5√n 29.288292805665

Divisors of 21551142

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 -21551141
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 21551142 can be divided by 16 positive divisors. The sum of these divisors (counting 21551142) is 1, the average is 0.0625.

Base conversion 21551142

Base System Value
2 Binary 1010010001101100000100110
3 Ternary 1111112220121110
4 Quaternary 1102031200212
5 Quinary 21004114032
6 Senary 2045525450
8 Octal 122154046
10 Decimal 21551142
12 Duodecimal 7273886
16 Hexadecimal 148d826
20 Vigesimal 6edhh2
36 Base36 ctwyu

Cryptographic Hash Functions

md5 aac0a28fd568ef598adb6011887927c3
sha1 ca133ec003469ffb064234151c1977a1b60911f4
sha256 d513b35c45cc1c46a97502c0488504fdc2fc5bfcd91020c50ea87230d674d4a8
sha512 6e23fdbf206140aad9ad020d1a4e706b9fc0cdec04c24361132b3788fbe1d9536f52f6827c019a862138a176be3d73a89f0367861ea8ce2690298d1c0ea4ee24
ripemd-160 f366975b1e8f7dc6d98db61f8204dacc97635edd

21551142 as geometric shapes

Circle

Radius = n
Diameter 43102284
Circumference 135409818.76734
Area 1.4591181162246E+15

Sphere

Radius = n
Volume 4.1927548956706E+22
Surface area 5.8364724648985E+15
Circumference 135409818.76734

Square

Length = n
Perimeter 86204568
Area 464451721504164
Diagonal 30477917.301028

Cube

Length = n
Surface area 2786710329024984
Volume 1.0009465002281E+22
Space diagonal 37327672.905132

Equilateral Triangle

Length = n
Perimeter 64653426
Area 2.0111349482701E+14
Altitude 18663836.452566

Triangular Pyramid

Length = n
Surface area 2.0111349482701E+14
Volume 1.1796267631937E+21
Height 10159305.767009