20856689 (number)

20856689 is an odd 8-digits composite number following 20856688 and preceding 20856690. In scientific notation, it is written as 2.0856689 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 17807616 positive integers (up to 20856689) that are relatively prime to 20856689.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0856689 × 10^7
Engineering notation 2.0856689 × 10^6

Prime Factorization of 20856689

Prime Factorization 7 × 263 × 11329

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20856689
Product of the distinct prime numbers

The prime factorization of 20856689 is 7 × 263 × 11329. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20856689)

Multiplication

n×y
n×2 41713378
n×3 62570067
n×4 83426756
n×5 104283445

Division

n÷y
n÷2 10428344.5
n÷3 6952229.6666667
n÷3 5214172.25
n÷5 4171337.8

Exponentiation

ny
n2 435001476042721
n3 9.072690500364E+21
n4 1.8922628415935E+29
n5 3.9466337593371E+36

Nth Root

y√n
2√n 4566.9124143123
3√n 275.26339062332
4√n 67.578934693529
5√n 29.097057552229

Divisors of 20856689

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 -20856688
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 20856689 can be divided by 8 positive divisors. The sum of these divisors (counting 20856689) is 1, the average is 0.125.

Base conversion 20856689

Base System Value
2 Binary 1001111100011111101110001
3 Ternary 1110020121222222
4 Quaternary 1033203331301
5 Quinary 20314403224
6 Senary 2023010425
8 Octal 117437561
10 Decimal 20856689
12 Duodecimal 6b99a15
16 Hexadecimal 13e3f71
20 Vigesimal 6a71e9
36 Base36 cf14h

Cryptographic Hash Functions

md5 94934f6b982fd114ed691d9cf46705a6
sha1 708e24bbb93686642af15cce76238f2584f81660
sha256 57e26f94193675bef9e3cb910ece9a813a24608a41eb168a0f511fd312f920c6
sha512 a5024bfeb22626608489c37fc10253af00d05f63106a3cf678e247c5dc8e9ca8db7c2250392ed0d5b43cfc6f203ea656c4f47e99fead9c437f20f596b545d532
ripemd-160 6e3e1be3fde1f5175b01db86c37e03d91dfecf01

20856689 as geometric shapes

Circle

Radius = n
Diameter 41713378
Circumference 131046441.88121
Area 1.3665974414365E+15

Sphere

Radius = n
Volume 3.8003597098983E+22
Surface area 5.4663897657461E+15
Circumference 131046441.88121

Square

Length = n
Perimeter 83426756
Area 435001476042721
Diagonal 29495812.449998

Cube

Length = n
Surface area 2610008856256326
Volume 9.072690500364E+21
Space diagonal 36124845.025663

Equilateral Triangle

Length = n
Perimeter 62570067
Area 1.8836116446836E+14
Altitude 18062422.512831

Triangular Pyramid

Length = n
Surface area 1.8836116446836E+14
Volume 1.0692268294024E+21
Height 9831937.4833326