Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

21139955 (number)

21139955 is an odd 8-digits composite number following 21139954 and preceding 21139956. In scientific notation, it is written as 2.1139955 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 16911960 positive integers (up to 21139955) that are relatively prime to 21139955.

Interesting facts

21139955 has 4 divisors, whose sum is 25367952
The reverse of 21139955 is 55993112
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

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

Notation

Scientific notation	2.1139955 × 10^7
Engineering notation	2.1139955 × 10^6

Prime Factorization of 21139955

Prime Factorization 5 × 4227991

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21139955	Product of the distinct prime numbers

The prime factorization of 21139955 is 5 × 4227991. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 3, 7, 36, 253, 85, 9162, 140, 77910, 30498, 386794, 676133, 1927442, 7593243, 19991005, 5251738, 397117659, 214697406, 8268621655, 8958753733

Basic calculations (n = 21139955)

Multiplication

n×y

n×2	42279910
n×3	63419865
n×4	84559820
n×5	105699775

Division

n÷y

n÷2	10569977.5
n÷3	7046651.6666667
n÷3	5284988.75
n÷5	4227991

Exponentiation

n^y

n²	446897697402025
n³	9.4473972126824E+21
n⁴	1.9971755194323E+29
n⁵	4.2220200607901E+36

Nth Root

^y√n

²√n	4597.8206794089
³√n	276.50395829642
⁴√n	67.807231763352
⁵√n	29.175668225288

Divisors of 21139955

1, 5, 4227991, 21139955

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	-21139954	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 21139955 can be divided by 4 positive divisors. The sum of these divisors (counting 21139955) is 1, the average is 0.25.

Base conversion 21139955

Base	System	Value
2	Binary	1010000101001000111110011
3	Ternary	1110210000120022
4	Quaternary	1100221013303
5	Quinary	20402434310
6	Senary	2033034055
8	Octal	120510763
10	Decimal	21139955
12	Duodecimal	70b592b
16	Hexadecimal	14291f3
20	Vigesimal	6c29hf
36	Base36	cl3oz

Cryptographic Hash Functions

md5	c054f799f95aaca6e7f3afbcdd494b72
sha1	ecc8744ea4a6634b4ccf377e6c7c30217b38fcfd
sha256	1fa5b90591347c4ebc91d42a2dfcd1ac4b703f5363d29ab78a699ce911520c61
sha512	a62af68173ae0b7bf88cb333f16271b8ffcfdbd09d4ce7b9ffe8dc25c7e699db4c0781f0d4f311410acdc3a32c626162630a0edb61186bf38ae711283756b919
ripemd-160	f96ffe5c83997dd7ad10d2b47c3380f125760459

21139955 as geometric shapes

Circle

Radius = n

Diameter	42279910
Circumference	132826254.65044
Area	1.4039705230644E+15

Sphere

Radius = n

Volume	3.957316490521E+22
Surface area	5.6158820922576E+15
Circumference	132826254.65044

Square

Length = n

Perimeter	84559820
Area	446897697402025
Diagonal	29896411.068957

Cube

Length = n

Surface area	2681386184412150
Volume	9.4473972126824E+21
Space diagonal	36615476.12972

Equilateral Triangle

Length = n

Perimeter	63419865
Area	1.9351237942146E+14
Altitude	18307738.06486

Triangular Pyramid

Length = n

Surface area	1.9351237942146E+14
Volume	1.1133864389418E+21
Height	9965470.356319