21139957 (number)

21139957 is an odd 8-digits prime number following 21139956 and preceding 21139958. In scientific notation, it is written as 2.1139957 × 10^7. The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors. There are 21139956 positive integers (up to 21139957) that are relatively prime to 21139957.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1139957 × 10^7
Engineering notation 2.1139957 × 10^6

Prime Factorization of 21139957

Prime Factorization 21139957

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21139957
Product of the distinct prime numbers

The prime factorization of 21139957 is 21139957. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 3, 15, 66, 715, 962, 2725, 9449, 93004, 15470, 226568, 322226, 6335109, 8401549, 36395899, 98953474, 34477098, 115420641, 5184094763, 1338114795

Basic calculations (n = 21139957)

Multiplication

n×y
n×2 42279914
n×3 63419871
n×4 84559828
n×5 105699785

Division

n÷y
n÷2 10569978.5
n÷3 7046652.3333333
n÷3 5284989.25
n÷5 4227991.4

Exponentiation

ny
n2 446897781961849
n3 9.4473998940689E+21
n4 1.9971762752242E+29
n5 4.222022057966E+36

Nth Root

y√n
2√n 4597.8208969032
3√n 276.50396701621
4√n 67.807233367121
5√n 29.175668777336

Divisors of 21139957

1, 21139957

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21139958
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10569979
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4597.8210056504
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999053924
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21139957 can be divided by 2 positive divisors. The sum of these divisors (counting 21139957) is 21139958, the average is 10569979.

Base conversion 21139957

Base System Value
2 Binary 1010000101001000111110101
3 Ternary 1110210000120101
4 Quaternary 1100221013311
5 Quinary 20402434312
6 Senary 2033034101
8 Octal 120510765
10 Decimal 21139957
12 Duodecimal 70b5931
16 Hexadecimal 14291f5
20 Vigesimal 6c29hh
36 Base36 cl3p1

Cryptographic Hash Functions

md5 066cdd6f20dc353b6fd1bd2147694933
sha1 82c42564d492f23939ee9cbbf42c369204811180
sha256 da0105ca934f4b06ede1cceb524ffd3326da8aa6dd8455533c55709b0208c572
sha512 bc9c30f14bcdbcec3bdb326272ed2af6650d44037587e81f4a0d6d45c0a9bed8668e2aa78ad85f3d0f5bfb75b39698f956aa3525377ff3f7207ade0045122d72
ripemd-160 fd190816ab005b868c35638449c36cbc28af7214

21139957 as geometric shapes

Circle

Radius = n
Diameter 42279914
Circumference 132826267.21681
Area 1.4039707887169E+15

Sphere

Radius = n
Volume 3.9573176136976E+22
Surface area 5.6158831548677E+15
Circumference 132826267.21681

Square

Length = n
Perimeter 84559828
Area 446897781961849
Diagonal 29896413.897384

Cube

Length = n
Surface area 2681386691771094
Volume 9.4473998940689E+21
Space diagonal 36615479.593821

Equilateral Triangle

Length = n
Perimeter 63419871
Area 1.9351241603694E+14
Altitude 18307739.796911

Triangular Pyramid

Length = n
Surface area 1.9351241603694E+14
Volume 1.1133867549462E+21
Height 9965471.299128