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

20971388 (number)

20971388 is an even 8-digits composite number following 20971387 and preceding 20971389. In scientific notation, it is written as 2.0971388 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 6 positive divisors. There are 10485692 positive integers (up to 20971388) that are relatively prime to 20971388.

Interesting facts

20971388 has 6 divisors, whose sum is 36699936
The reverse of 20971388 is 88317902
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	twenty million nine hundred seventy-one thousand three hundred eighty-eight

Notation

Scientific notation	2.0971388 × 10^7
Engineering notation	2.0971388 × 10^6

Prime Factorization of 20971388

Prime Factorization 2 × 2 × 5242847

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	10485694	Product of the distinct prime numbers

The prime factorization of 20971388 is 2 × 2 × 5242847. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 2, 72, 49, 71, 289, 7697, 351, 41912, 24597, 110312, 494931, 4262235, 6314290, 23382598, 76807315, 663326892, 275036386, 262743471, 1055707910

Basic calculations (n = 20971388)

Multiplication

n×y

n×2	41942776
n×3	62914164
n×4	83885552
n×5	104856940

Division

n÷y

n÷2	10485694
n÷3	6990462.6666667
n÷3	5242847
n÷5	4194277.6

Exponentiation

n^y

n²	439799114646544
n³	9.2231978753092E+21
n⁴	1.9342326124388E+29
n⁵	4.0563542597709E+36

Nth Root

^y√n

²√n	4579.45280574
³√n	275.76706173933
⁴√n	67.671654374191
⁵√n	29.128990579246

Divisors of 20971388

1, 2, 4, 5242847, 10485694, 20971388

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20971387	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20971388 can be divided by 6 positive divisors. The sum of these divisors (counting 20971388) is 1, the average is 0.16666666666667.

Base conversion 20971388

Base	System	Value
2	Binary	1001111111111111101111100
3	Ternary	1110110110100002
4	Quaternary	1033333331330
5	Quinary	20332041023
6	Senary	2025253432
8	Octal	117777574
10	Decimal	20971388
12	Duodecimal	7034278
16	Hexadecimal	13fff7c
20	Vigesimal	6b1898
36	Base36	chhmk

Cryptographic Hash Functions

md5	4a87a0d7894438b791491bea1b3c37d8
sha1	f55ebfc1712b671fa7d5bf6e3688066efefba645
sha256	6eb4e7daab1b582e4ae563838b83dc608ff62bddfb0fbb09b2b06a0909947916
sha512	a3cfa79c871d64cfb811d3b794731974563287f06b1d38f6f3b84a18837dc3f4ed8ded3e24df05c2cef7e62b72127e71192069ee0491595bbc03791911aa3290
ripemd-160	675e611d26242333ec3ee56b6de6e0958e30a936

20971388 as geometric shapes

Circle

Radius = n

Diameter	41942776
Circumference	131767116.95276
Area	1.3816696676289E+15

Sphere

Radius = n

Volume	3.8634040916902E+22
Surface area	5.5266786705155E+15
Circumference	131767116.95276

Square

Length = n

Perimeter	83885552
Area	439799114646544
Diagonal	29658021.331388

Cube

Length = n

Surface area	2638794687879264
Volume	9.2231978753092E+21
Space diagonal	36323509.52124

Equilateral Triangle

Length = n

Perimeter	62914164
Area	1.9043860292291E+14
Altitude	18161754.76062

Triangular Pyramid

Length = n

Surface area	1.9043860292291E+14
Volume	1.0869642936427E+21
Height	9886007.1104628