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

20921138 (number)

20921138 is an even 8-digits composite number following 20921137 and preceding 20921139. In scientific notation, it is written as 2.0921138 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors. There are 8966160 positive integers (up to 20921138) that are relatively prime to 20921138.

Interesting facts

20921138 has 12 divisors, whose sum is 36505422
The reverse of 20921138 is 83112902
Previous prime number is 7

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8

Name

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

Notation

Scientific notation	2.0921138 × 10^7
Engineering notation	2.0921138 × 10^6

Prime Factorization of 20921138

Prime Factorization 2 × 7 × 7 × 213481

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	2988734	Product of the distinct prime numbers

The prime factorization of 20921138 is 2 × 7 × 7 × 213481. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 3, 66, 29, 501, 840, 8723, 1167, 7522, 16441, 338639, 839833, 4426467, 7822557, 65734680, 61646574, 678752574, 97628924, 9863712680, 9464912716

Basic calculations (n = 20921138)

Multiplication

n×y

n×2	41842276
n×3	62763414
n×4	83684552
n×5	104605690

Division

n÷y

n÷2	10460569
n÷3	6973712.6666667
n÷3	5230284.5
n÷5	4184227.6

Exponentiation

n^y

n²	437694015215044
n³	9.157056894088E+21
n⁴	1.9157605095507E+29
n⁵	4.007988999526E+36

Nth Root

^y√n

²√n	4573.963051884
³√n	275.5466284275
⁴√n	67.631080516904
⁵√n	29.115017858807

Divisors of 20921138

1, 2, 7, 14, 49, 98, 213481, 426962, 1494367, 2988734, 10460569, 20921138

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20921137	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921138 can be divided by 12 positive divisors. The sum of these divisors (counting 20921138) is 1, the average is 0.083333333333333.

Base conversion 20921138

Base	System	Value
2	Binary	1001111110011101100110010
3	Ternary	1110100220101222
4	Quaternary	1033303230302
5	Quinary	20323434023
6	Senary	2024225042
8	Octal	117635462
10	Decimal	20921138
12	Duodecimal	700b182
16	Hexadecimal	13f3b32
20	Vigesimal	6af2gi
36	Base36	cgeuq

Cryptographic Hash Functions

md5	da8a2bcf2323627f0f5904f487b3bcaa
sha1	a564d8fc8b094452e24bbc84c7b47fde56ac7de4
sha256	254cac25a3ebcb807fc8b354ab54130303495a6ae29b414fe86da7f6bc6247e1
sha512	fc647819bfdb03775d7d08dd38a8a1c98d7637551df82e9bfb9bf75b20830273cd71dd369eb1a6d09559ddc4eb1db796309dd8e279d7c623365ce05980e9f7a5
ripemd-160	5cc5132664760943539106e5e8f170fb4d2c430e

20921138 as geometric shapes

Circle

Radius = n

Diameter	41842276
Circumference	131451386.89108
Area	1.3750563027198E+15

Sphere

Radius = n

Volume	3.8356990222628E+22
Surface area	5.5002252108792E+15
Circumference	131451386.89108

Square

Length = n

Perimeter	83684552
Area	437694015215044
Diagonal	29586957.099879

Cube

Length = n

Surface area	2626164091290264
Volume	9.157056894088E+21
Space diagonal	36236473.96816

Equilateral Triangle

Length = n

Perimeter	62763414
Area	1.8952706813032E+14
Altitude	18118236.98408

Triangular Pyramid

Length = n

Surface area	1.8952706813032E+14
Volume	1.0791695042534E+21
Height	9862319.033293