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

20939991 (number)

20939991 is an odd 8-digits composite number following 20939990 and preceding 20939992. In scientific notation, it is written as 2.0939991 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 13944000 positive integers (up to 20939991) that are relatively prime to 20939991.

Interesting facts

20939991 has 8 divisors, whose sum is 27951984
The reverse of 20939991 is 19993902
Previous prime number is 997

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

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

Notation

Scientific notation	2.0939991 × 10^7
Engineering notation	2.0939991 × 10^6

Prime Factorization of 20939991

Prime Factorization 3 × 997 × 7001

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20939991	Product of the distinct prime numbers

The prime factorization of 20939991 is 3 × 997 × 7001. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 1, 13, 49, 391, 172, 4073, 1620, 73106, 94324, 856350, 337754, 6133622, 3618450, 89871491, 31210175, 370848840, 780611462, 8578002603, 484101810

Basic calculations (n = 20939991)

Multiplication

n×y

n×2	41879982
n×3	62819973
n×4	83759964
n×5	104699955

Division

n÷y

n÷2	10469995.5
n÷3	6979997
n÷3	5234997.75
n÷5	4187998.2

Exponentiation

n^y

n²	438483223080081
n³	9.1818347449479E+21
n⁴	1.922675369227E+29
n⁵	4.0260804927534E+36

Nth Root

^y√n

²√n	4576.0234920726
³√n	275.62937282566
⁴√n	67.64631174035
⁵√n	29.120263344793

Divisors of 20939991

1, 3, 997, 2991, 7001, 21003, 6979997, 20939991

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20939990	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20939991 can be divided by 8 positive divisors. The sum of these divisors (counting 20939991) is 1, the average is 0.125.

Base conversion 20939991

Base	System	Value
2	Binary	1001111111000010011010111
3	Ternary	1110101212021020
4	Quaternary	1033320103113
5	Quinary	20330034431
6	Senary	2024452223
8	Octal	117702327
10	Decimal	20939991
12	Duodecimal	701a073
16	Hexadecimal	13f84d7
20	Vigesimal	6ah9jb
36	Base36	cgtef

Cryptographic Hash Functions

md5	1425566566ac19dd61298adbd777fc2d
sha1	25c186f2a900a02cbceec5653cdcb850ca0aa70c
sha256	3c52af6c51f70c7c2e5aaf3d8cb042ae113d94383a64804e7012423712bcc459
sha512	c3d90def71cb147939cda3e4b12d67e7e4bd64024f3b3901884463b37f3f442d30f75354d55d71dde10a065b88c223fa5693b9677710bfafccb74a765153db0f
ripemd-160	e047e7fe6375d1d170230dbb39ec18a869ff3dc3

20939991 as geometric shapes

Circle

Radius = n

Diameter	41879982
Circumference	131569843.78367
Area	1.3775356723508E+15

Sphere

Radius = n

Volume	3.8460779441605E+22
Surface area	5.510142689403E+15
Circumference	131569843.78367

Square

Length = n

Perimeter	83759964
Area	438483223080081
Diagonal	29613619.268171

Cube

Length = n

Surface area	2630899338480486
Volume	9.1818347449479E+21
Space diagonal	36269128.322035

Equilateral Triangle

Length = n

Perimeter	62819973
Area	1.8986880516031E+14
Altitude	18134564.161018

Triangular Pyramid

Length = n

Surface area	1.8986880516031E+14
Volume	1.0820896019812E+21
Height	9871206.4227235