21139951 (number)

21139951 is an odd 8-digits composite number following 21139950 and preceding 21139952. In scientific notation, it is written as 2.1139951 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 16836768 positive integers (up to 21139951) that are relatively prime to 21139951.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1139951 × 10^7
Engineering notation 2.1139951 × 10^6

Prime Factorization of 21139951

Prime Factorization 53 × 7 × 19 × 2999

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21139951
Product of the distinct prime numbers

The prime factorization of 21139951 is 53 × 7 × 19 × 2999. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 9, 78, 6, 810, 4, 6185, 7368, 91962, 36609, 860967, 790570, 4077352, 8783145, 57196438, 27914518, 21624890, 490644905, 1868424971, 7824190401

Basic calculations (n = 21139951)

Multiplication

n×y
n×2 42279902
n×3 63419853
n×4 84559804
n×5 105699755

Division

n÷y
n÷2 10569975.5
n÷3 7046650.3333333
n÷3 5284987.75
n÷5 4227990.2

Exponentiation

ny
n2 446897528282401
n3 9.4473918499111E+21
n4 1.9971740078492E+29
n5 4.2220160664406E+36

Nth Root

y√n
2√n 4597.8202444202
3√n 276.50394085684
4√n 67.807228555812
5√n 29.175667121192

Divisors of 21139951

1, 7, 19, 53, 133, 371, 1007, 2999, 7049, 20993, 56981, 158947, 398867, 1112629, 3019993, 21139951

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 -21139950
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 21139951 can be divided by 16 positive divisors. The sum of these divisors (counting 21139951) is 1, the average is 0.0625.

Base conversion 21139951

Base System Value
2 Binary 1010000101001000111101111
3 Ternary 1110210000120011
4 Quaternary 1100221013233
5 Quinary 20402434301
6 Senary 2033034051
8 Octal 120510757
10 Decimal 21139951
12 Duodecimal 70b5927
16 Hexadecimal 14291ef
20 Vigesimal 6c29hb
36 Base36 cl3ov

Cryptographic Hash Functions

md5 7d3cb4acb8e725c6cf66e8847b3076e3
sha1 ec1ebfeffed585141d094cb211da36a73dd1127a
sha256 5dc5ff3c1a76d26faf9b6e958786703da503a6a9602afd7260e7e54af74cc993
sha512 610a01221ff438120a1e0beaf242c9baafc0a2e3b1a166e83705d967d2cf2e17dbcf8c384eea92d71fb43d6f56b5173422f800654b8f9613ae80bd126e6090d1
ripemd-160 04b45e1f21964970ed1ae2acf8e3561e68c8bea4

21139951 as geometric shapes

Circle

Radius = n
Diameter 42279902
Circumference 132826229.5177
Area 1.4039699917594E+15

Sphere

Radius = n
Volume 3.9573142441686E+22
Surface area 5.6158799670377E+15
Circumference 132826229.5177

Square

Length = n
Perimeter 84559804
Area 446897528282401
Diagonal 29896405.412103

Cube

Length = n
Surface area 2681385169694406
Volume 9.4473918499111E+21
Space diagonal 36615469.201516

Equilateral Triangle

Length = n
Perimeter 63419853
Area 1.9351230619052E+14
Altitude 18307734.600758

Triangular Pyramid

Length = n
Surface area 1.9351230619052E+14
Volume 1.1133858069331E+21
Height 9965468.4707009