20989997 (number)

20989997 is an odd 8-digits composite number following 20989996 and preceding 20989998. In scientific notation, it is written as 2.0989997 × 10^7. The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors. There are 17370864 positive integers (up to 20989997) that are relatively prime to 20989997.

Interesting facts

Basic properties

Name

Name twenty million nine hundred eighty-nine thousand nine hundred ninety-seven

Notation

Scientific notation 2.0989997 × 10^7
Engineering notation 2.0989997 × 10^6

Prime Factorization of 20989997

Prime Factorization 29 × 7 × 103399

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20989997
Product of the distinct prime numbers

The prime factorization of 20989997 is 29 × 7 × 103399. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20989997)

Multiplication

n×y
n×2 41979994
n×3 62969991
n×4 83959988
n×5 104949985

Division

n÷y
n÷2 10494998.5
n÷3 6996665.6666667
n÷3 5247499.25
n÷5 4197999.4

Exponentiation

ny
n2 440579974060009
n3 9.2477723337797E+21
n4 1.9411071354272E+29
n5 4.0743832949295E+36

Nth Root

y√n
2√n 4581.4841481773
3√n 275.84860509594
4√n 67.686661523356
5√n 29.134158278097

Divisors of 20989997

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 -20989996
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 20989997 can be divided by 8 positive divisors. The sum of these divisors (counting 20989997) is 1, the average is 0.125.

Base conversion 20989997

Base System Value
2 Binary 1010000000100100000101101
3 Ternary 1110111101212022
4 Quaternary 1100010200231
5 Quinary 20333134442
6 Senary 2025515525
8 Octal 120044055
10 Decimal 20989997
12 Duodecimal 7042ba5
16 Hexadecimal 140482d
20 Vigesimal 6b3ejh
36 Base36 chvzh

Cryptographic Hash Functions

md5 5be98834f3bfc733a9598e7503c76dcc
sha1 6fe45a3aaaf4f77ea0079316f724e5078ca3bf17
sha256 b6bef6cbae8920de7bb23dc2f1bf8d18820cd27dcb16650b3c9145c02fca1e45
sha512 d2d952a074e10e38826d93d21eb4d1ffc94828fe55c90c20acb2f4cfcc70ce9899e402a161bccff3dab07bb34b9abd8d05a193cae150b3892ceb3633d1933ca2
ripemd-160 614e7931aeabbffba771f6c8e082203b0ee76802

20989997 as geometric shapes

Circle

Radius = n
Diameter 41979994
Circumference 131884040.74814
Area 1.3841228098257E+15

Sphere

Radius = n
Volume 3.8736978167831E+22
Surface area 5.5364912393028E+15
Circumference 131884040.74814

Square

Length = n
Perimeter 83959988
Area 440579974060009
Diagonal 29684338.431571

Cube

Length = n
Surface area 2643479844360054
Volume 9.2477723337797E+21
Space diagonal 36355741.254718

Equilateral Triangle

Length = n
Perimeter 62969991
Area 1.9077672496733E+14
Altitude 18177870.627359

Triangular Pyramid

Length = n
Surface area 1.9077672496733E+14
Volume 1.0898604213475E+21
Height 9894779.4771902