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

20949945 (number)

20949945 is an odd 8-digits composite number following 20949944 and preceding 20949946. In scientific notation, it is written as 2.0949945 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 11173296 positive integers (up to 20949945) that are relatively prime to 20949945.

Interesting facts

20949945 has 8 divisors, whose sum is 33519936
The reverse of 20949945 is 54994902
Previous prime number is 3

Basic properties

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

Name

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

Notation

Scientific notation	2.0949945 × 10^7
Engineering notation	2.0949945 × 10^6

Prime Factorization of 20949945

Prime Factorization 5 × 3 × 1396663

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20949945	Product of the distinct prime numbers

The prime factorization of 20949945 is 5 × 3 × 1396663. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 5, 22, 87, 903, 805, 163, 2368, 88139, 90577, 598909, 205318, 772818, 8966229, 31445115, 7339796, 326760254, 761628177, 8610161467, 8081044992

Basic calculations (n = 20949945)

Multiplication

n×y

n×2	41899890
n×3	62849835
n×4	83799780
n×5	104749725

Division

n÷y

n÷2	10474972.5
n÷3	6983315
n÷3	5237486.25
n÷5	4189989

Exponentiation

n^y

n²	438900195503025
n³	9.1949349562776E+21
n⁴	1.9263338161259E+29
n⁵	4.0356587499478E+36

Nth Root

^y√n

²√n	4577.1109883856
³√n	275.67304015036
⁴√n	67.654349367839
⁵√n	29.123031330716

Divisors of 20949945

1, 3, 5, 15, 1396663, 4189989, 6983315, 20949945

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	-20949944	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 20949945 can be divided by 8 positive divisors. The sum of these divisors (counting 20949945) is 1, the average is 0.125.

Base conversion 20949945

Base	System	Value
2	Binary	1001111111010101110111001
3	Ternary	1110102100220220
4	Quaternary	1033322232321
5	Quinary	20330344240
6	Senary	2025010253
8	Octal	117725671
10	Decimal	20949945
12	Duodecimal	7023989
16	Hexadecimal	13fabb9
20	Vigesimal	6aieh5
36	Base36	ch12x

Cryptographic Hash Functions

md5	a60ba8ab4e064498adf3b4b4af6e09e3
sha1	eabef0c762a0534e721d5c65c3f496637b3efc3c
sha256	08d2aaa513dd3bf2d6d13fec2d231649fc4b186b7e0d143206ec6ba60e765e72
sha512	e9fb4862458c547d861b467b0f8db5d89be4c1a966b0a343fe241b7d7e56dd2095f2b6b91b99e96188e1919448d16c63c87c221a7477dbef023ea36e7868fdd1
ripemd-160	9ea1080b0c6683b237fb67c2c31e1669391ecf9d

20949945 as geometric shapes

Circle

Radius = n

Diameter	41899890
Circumference	131632386.61022
Area	1.3788456298514E+15

Sphere

Radius = n

Volume	3.8515653478504E+22
Surface area	5.5153825194057E+15
Circumference	131632386.61022

Square

Length = n

Perimeter	83799780
Area	438900195503025
Diagonal	29627696.34997

Cube

Length = n

Surface area	2633401173018150
Volume	9.1949349562776E+21
Space diagonal	36286369.155774

Equilateral Triangle

Length = n

Perimeter	62849835
Area	1.9004935951579E+14
Altitude	18143184.577887

Triangular Pyramid

Length = n

Surface area	1.9004935951579E+14
Volume	1.0836334766922E+21
Height	9875898.7833235