20856980 (number)

20856980 is an even 8-digits composite number following 20856979 and preceding 20856981. In scientific notation, it is written as 2.0856980 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 8342784 positive integers (up to 20856980) that are relatively prime to 20856980.

Interesting facts

Basic properties

Name

Name twenty million eight hundred fifty-six thousand nine hundred eighty

Notation

Scientific notation 2.0856980 × 10^7
Engineering notation 2.0856980 × 10^6

Prime Factorization of 20856980

Prime Factorization 2 × 2 × 5 × 1042849

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10428490
Product of the distinct prime numbers

The prime factorization of 20856980 is 2 × 2 × 5 × 1042849. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 1, 22, 9, 99, 230, 9775, 4299, 26610, 75378, 954275, 501747, 7745042, 255601, 96680021, 78531537, 993478418, 570559099, 4335899325, 5793138261

Basic calculations (n = 20856980)

Multiplication

n×y
n×2 41713960
n×3 62570940
n×4 83427920
n×5 104284900

Division

n÷y
n÷2 10428490
n÷3 6952326.6666667
n÷3 5214245
n÷5 4171396

Exponentiation

ny
n2 435013614720400
n3 9.0730702619511E+21
n4 1.8923684499211E+29
n5 3.9469090912635E+36

Nth Root

y√n
2√n 4566.9442738006
3√n 275.26467080853
4√n 67.579170413675
5√n 29.097138746291

Divisors of 20856980

1, 2, 4, 5, 10, 20, 1042849, 2085698, 4171396, 5214245, 10428490, 20856980

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 -20856979
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 20856980 can be divided by 12 positive divisors. The sum of these divisors (counting 20856980) is 1, the average is 0.083333333333333.

Base conversion 20856980

Base System Value
2 Binary 1001111100100000010010100
3 Ternary 1110020122101202
4 Quaternary 1033210002110
5 Quinary 20314410410
6 Senary 2023012032
8 Octal 117440224
10 Decimal 20856980
12 Duodecimal 6b9a018
16 Hexadecimal 13e4094
20 Vigesimal 6a7290
36 Base36 cf1ck

Cryptographic Hash Functions

md5 1d0fef3f92027ad00595ea5544ab121f
sha1 bb1931d360d96fd59a02a79ca588b5962817bc8b
sha256 7ecbdb866f7b3bbf7253d968af7c3f7dc7d9d4ff785fd92707b669a855d2b1cb
sha512 88a3b817328b86089a67816ebe1e73588b359bb9bd4203d2a0fd88d07d7c3f5f003da03fd1aa593efba7c3ba970a767174a04a9898cc0d97de0398b821d2aa22
ripemd-160 edbdfc919c6a5abc5e145d9b846db70870d62d31

20856980 as geometric shapes

Circle

Radius = n
Diameter 41713960
Circumference 131048270.28814
Area 1.3666355762171E+15

Sphere

Radius = n
Volume 3.8005187840599E+22
Surface area 5.4665423048686E+15
Circumference 131048270.28814

Square

Length = n
Perimeter 83427920
Area 435013614720400
Diagonal 29496223.986144

Cube

Length = n
Surface area 2610081688322400
Volume 9.0730702619511E+21
Space diagonal 36125349.052448

Equilateral Triangle

Length = n
Perimeter 62570940
Area 1.8836642066998E+14
Altitude 18062674.526224

Triangular Pyramid

Length = n
Surface area 1.8836642066998E+14
Volume 1.0692715847346E+21
Height 9832074.6620481