21372871 (number)

21372871 is an odd 8-digits composite number following 21372870 and preceding 21372872. In scientific notation, it is written as 2.1372871 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 19728792 positive integers (up to 21372871) that are relatively prime to 21372871.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred seventy-two thousand eight hundred seventy-one

Notation

Scientific notation 2.1372871 × 10^7
Engineering notation 2.1372871 × 10^6

Prime Factorization of 21372871

Prime Factorization 13 × 1644067

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21372871
Product of the distinct prime numbers

The prime factorization of 21372871 is 13 × 1644067. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21372871)

Multiplication

n×y
n×2 42745742
n×3 64118613
n×4 85491484
n×5 106864355

Division

n÷y
n÷2 10686435.5
n÷3 7124290.3333333
n÷3 5343217.75
n÷5 4274574.2

Exponentiation

ny
n2 456799614782641
n3 9.7631192395991E+21
n4 2.0866588806557E+29
n5 4.4597891077258E+36

Nth Root

y√n
2√n 4623.0802502228
3√n 277.51574079474
4√n 67.993236797661
5√n 29.239677140015

Divisors of 21372871

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 -21372870
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 21372871 can be divided by 4 positive divisors. The sum of these divisors (counting 21372871) is 1, the average is 0.25.

Base conversion 21372871

Base System Value
2 Binary 1010001100001111111000111
3 Ternary 1111012212001211
4 Quaternary 1101201333013
5 Quinary 20432412441
6 Senary 2042032251
8 Octal 121417707
10 Decimal 21372871
12 Duodecimal 71a8687
16 Hexadecimal 1461fc7
20 Vigesimal 6dbc3b
36 Base36 cq3ev

Cryptographic Hash Functions

md5 ee3c4aa2f97e61f44f4b8d0f5abd8912
sha1 5a25a2c9aec1e2a69f99f0a18105eb1adc3682ce
sha256 6fed30a612be803170df6109fba559a2f8cd931479ef77bda7e6c1be2d21d673
sha512 79d3c13f5a1bcbf1f6a4bb7372e6933b7070c5a0ae9a857daf0cd7ca010c3f619fde518f8c80743963d9b37ddb2103bb807117c77d5e3e8f09b332316fc0d59c
ripemd-160 0903f2684a677cf5f63d3d8cf325fc90715e5a26

21372871 as geometric shapes

Circle

Radius = n
Diameter 42745742
Circumference 134289709.03944
Area 1.4350783139638E+15

Sphere

Radius = n
Volume 4.0895658238994E+22
Surface area 5.7403132558552E+15
Circumference 134289709.03944

Square

Length = n
Perimeter 85491484
Area 456799614782641
Diagonal 30225804.035051

Cube

Length = n
Surface area 2740797688695846
Volume 9.7631192395991E+21
Space diagonal 37018898.475615

Equilateral Triangle

Length = n
Perimeter 64118613
Area 1.9780003542036E+14
Altitude 18509449.237808

Triangular Pyramid

Length = n
Surface area 1.9780003542036E+14
Volume 1.1505946366422E+21
Height 10075268.011684