20921678 (number)

20921678 is an even 8-digits composite number following 20921677 and preceding 20921679. In scientific notation, it is written as 2.0921678 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 10364760 positive integers (up to 20921678) that are relatively prime to 20921678.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand six hundred seventy-eight

Notation

Scientific notation 2.0921678 × 10^7
Engineering notation 2.0921678 × 10^6

Prime Factorization of 20921678

Prime Factorization 2 × 109 × 95971

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20921678
Product of the distinct prime numbers

The prime factorization of 20921678 is 2 × 109 × 95971. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921678)

Multiplication

n×y
n×2 41843356
n×3 62765034
n×4 83686712
n×5 104608390

Division

n÷y
n÷2 10460839
n÷3 6973892.6666667
n÷3 5230419.5
n÷5 4184335.6

Exponentiation

ny
n2 437716610335684
n3 9.1577659766947E+21
n4 1.9159583096376E+29
n5 4.0085062815662E+36

Nth Root

y√n
2√n 4574.022081276
3√n 275.54899913824
4√n 67.631516922778
5√n 29.115168156054

Divisors of 20921678

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 -20921677
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 20921678 can be divided by 8 positive divisors. The sum of these divisors (counting 20921678) is 1, the average is 0.125.

Base conversion 20921678

Base System Value
2 Binary 1001111110011110101001110
3 Ternary 1110100221010222
4 Quaternary 1033303311032
5 Quinary 20323443203
6 Senary 2024231342
8 Octal 117636516
10 Decimal 20921678
12 Duodecimal 700b552
16 Hexadecimal 13f3d4e
20 Vigesimal 6af43i
36 Base36 cgf9q

Cryptographic Hash Functions

md5 b08242968045e5f938f7e11c39366d05
sha1 0d975bfafe18d68ec51240f6de27827343d1a3a1
sha256 352f23c0bebf82e7287bddecf7673e8494c73c56378543dab7e25fdff2bf8ff5
sha512 67a606c0a10a1c30ac243d92e2c629a00ca837d2a027e36b7461bff3e3bc090dcd547012ec90057dd2a8af628870fc1f4a76bfeb67717f0a0111672bbd0597e8
ripemd-160 484cab6a0c57524b6da9c3807de06038ccdefc07

20921678 as geometric shapes

Circle

Radius = n
Diameter 41843356
Circumference 131454779.81114
Area 1.3751272873848E+15

Sphere

Radius = n
Volume 3.8359960420905E+22
Surface area 5.5005091495392E+15
Circumference 131454779.81114

Square

Length = n
Perimeter 83686712
Area 437716610335684
Diagonal 29587720.775203

Cube

Length = n
Surface area 2626299662014104
Volume 9.1577659766947E+21
Space diagonal 36237409.275596

Equilateral Triangle

Length = n
Perimeter 62765034
Area 1.8953685210456E+14
Altitude 18118704.637798

Triangular Pyramid

Length = n
Surface area 1.8953685210456E+14
Volume 1.07925307044E+21
Height 9862573.5917343