20806690 (number)

20806690 is an even 8-digits composite number following 20806689 and preceding 20806691. In scientific notation, it is written as 2.0806690 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 8248576 positive integers (up to 20806690) that are relatively prime to 20806690.

Interesting facts

Basic properties

Name

Name twenty million eight hundred six thousand six hundred ninety

Notation

Scientific notation 2.0806690 × 10^7
Engineering notation 2.0806690 × 10^6

Prime Factorization of 20806690

Prime Factorization 2 × 5 × 113 × 18413

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20806690
Product of the distinct prime numbers

The prime factorization of 20806690 is 2 × 5 × 113 × 18413. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 10, 32, 67, 419, 859, 3256, 1364, 19331, 24740, 418262, 634316, 6125746, 5890526, 20073833, 88608883, 822874070, 663623044, 8020022969, 1462496647

Basic calculations (n = 20806690)

Multiplication

n×y
n×2 41613380
n×3 62420070
n×4 83226760
n×5 104033450

Division

n÷y
n÷2 10403345
n÷3 6935563.3333333
n÷3 5201672.5
n÷5 4161338

Exponentiation

ny
n2 432918348756100
n3 9.0075978778801E+21
n4 1.8741829668971E+29
n5 3.8995543995508E+36

Nth Root

y√n
2√n 4561.4350811998
3√n 275.04325490404
4√n 67.538397087877
5√n 29.083093486989

Divisors of 20806690

1, 2, 5, 10, 113, 226, 565, 1130, 18413, 36826, 92065, 184130, 2080669, 4161338, 10403345, 20806690

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20806689
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20806690 can be divided by 16 positive divisors. The sum of these divisors (counting 20806690) is 1, the average is 0.0625.

Base conversion 20806690

Base System Value
2 Binary 1001111010111110000100010
3 Ternary 1110011002102011
4 Quaternary 1033113300202
5 Quinary 20311303230
6 Senary 2021543134
8 Octal 117276042
10 Decimal 20806690
12 Duodecimal 6b74aaa
16 Hexadecimal 13d7c22
20 Vigesimal 6a0gea
36 Base36 cdyjm

Cryptographic Hash Functions

md5 cebd6fa0751a4a026000088dfa5f0e66
sha1 64493ed31805b42673470d5bd5cdf8e50653c00c
sha256 d8020f3307a519931578441772353e6ecc737dde8515006b8eda2b50ca2cb9b4
sha512 c54c01e0d88b715f7e70f5055fa395d8eebdb9933410a77b7aee0dec09f2515469f4306a1f9c0e5a864ce34ba6db4620bc4562469c101e23e5c83c118bc111b2
ripemd-160 ea6b71371d7b8faf12bb9c071475f0142486e4c5

20806690 as geometric shapes

Circle

Radius = n
Diameter 41613380
Circumference 130732288.89904
Area 1.3600531040564E+15

Sphere

Radius = n
Volume 3.7730937759519E+22
Surface area 5.4402124162256E+15
Circumference 130732288.89904

Square

Length = n
Perimeter 83226760
Area 432918348756100
Diagonal 29425103.186093

Cube

Length = n
Surface area 2597510092536600
Volume 9.0075978778801E+21
Space diagonal 36038244.217335

Equilateral Triangle

Length = n
Perimeter 62420070
Area 1.874591438936E+14
Altitude 18019122.108668

Triangular Pyramid

Length = n
Surface area 1.874591438936E+14
Volume 1.0615555902751E+21
Height 9808367.7286976