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

20949989 (number)

20949989 is an odd 8-digits composite number following 20949988 and preceding 20949990. In scientific notation, it is written as 2.0949989 × 10^7. The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors. There are 19768752 positive integers (up to 20949989) that are relatively prime to 20949989.

Interesting facts

20949989 has 8 divisors, whose sum is 22140000
The reverse of 20949989 is 98994902
Previous prime number is 269

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5

Name

Name	twenty million nine hundred forty-nine thousand nine hundred eighty-nine

Notation

Scientific notation	2.0949989 × 10^7
Engineering notation	2.0949989 × 10^6

Prime Factorization of 20949989

Prime Factorization 19 × 269 × 4099

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20949989	Product of the distinct prime numbers

The prime factorization of 20949989 is 19 × 269 × 4099. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 8, 50, 63, 783, 783, 1230, 869, 2, 39439, 654638, 763495, 4547379, 971505, 78431544, 50628068, 196629973, 759918197, 943243088, 1334612896

Basic calculations (n = 20949989)

Multiplication

n×y

n×2	41899978
n×3	62849967
n×4	83799956
n×5	104749945

Division

n÷y

n÷2	10474994.5
n÷3	6983329.6666667
n÷3	5237497.25
n÷5	4189997.8

Exponentiation

n^y

n²	438902039100121
n³	9.1949928912251E+21
n⁴	1.9263499992624E+29
n⁵	4.0357011294698E+36

Nth Root

^y√n

²√n	4577.1157949084
³√n	275.67323314379
⁴√n	67.654384890474
⁵√n	29.123043563801

Divisors of 20949989

1, 19, 269, 4099, 5111, 77881, 1102631, 20949989

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	-20949988	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 20949989 can be divided by 8 positive divisors. The sum of these divisors (counting 20949989) is 1, the average is 0.125.

Base conversion 20949989

Base	System	Value
2	Binary	1001111111010101111100101
3	Ternary	1110102100222112
4	Quaternary	1033322233211
5	Quinary	20330344424
6	Senary	2025010405
8	Octal	117725745
10	Decimal	20949989
12	Duodecimal	7023a05
16	Hexadecimal	13fabe5
20	Vigesimal	6aiej9
36	Base36	ch145

Cryptographic Hash Functions

md5	318bfdf0618b4b05a5d41195d97d0fc6
sha1	4ab6e1c9ec190f056c3cba293c7a117848bee6d5
sha256	7ee53b259ffc0f5a911d54ad0b3d4cc3388ec821f46d88ed319eb5b97739d703
sha512	84ea3a9db2708cdf90136c00b4d01b625c1da4efd4389af1dbb8b9b52ff934ffa922bf63c9612980dffbf9cf5e486cda016cc60dae2c9997e004bed3f5a51782
ripemd-160	924eac42cd2dec387cf6af1bbb93102e33a16f11

20949989 as geometric shapes

Circle

Radius = n

Diameter	41899978
Circumference	131632663.07037
Area	1.3788514216825E+15

Sphere

Radius = n

Volume	3.8515896155844E+22
Surface area	5.5154056867301E+15
Circumference	131632663.07037

Square

Length = n

Perimeter	83799956
Area	438902039100121
Diagonal	29627758.575367

Cube

Length = n

Surface area	2633412234600726
Volume	9.1949928912251E+21
Space diagonal	36286445.366009

Equilateral Triangle

Length = n

Perimeter	62849967
Area	1.9005015781675E+14
Altitude	18143222.683005

Triangular Pyramid

Length = n

Surface area	1.9005015781675E+14
Volume	1.0836403043912E+21
Height	9875919.5251224