20912997 (number)

20912997 is an odd 8-digits composite number following 20912996 and preceding 20912998. In scientific notation, it is written as 2.0912997 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 11923200 positive integers (up to 20912997) that are relatively prime to 20912997.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0912997 × 10^7
Engineering notation 2.0912997 × 10^6

Prime Factorization of 20912997

Prime Factorization 21 × 601 × 1657

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20912997
Product of the distinct prime numbers

The prime factorization of 20912997 is 21 × 601 × 1657. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20912997)

Multiplication

n×y
n×2 41825994
n×3 62738991
n×4 83651988
n×5 104564985

Division

n÷y
n÷2 10456498.5
n÷3 6970999
n÷3 5228249.25
n÷5 4182599.4

Exponentiation

ny
n2 437353443522009
n3 9.1463712523154E+21
n4 1.9127803456056E+29
n5 4.0001969629309E+36

Nth Root

y√n
2√n 4573.0730368101
3√n 275.51088282367
4√n 67.624500270317
5√n 29.112751612465

Divisors of 20912997

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 -20912996
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 20912997 can be divided by 8 positive divisors. The sum of these divisors (counting 20912997) is 1, the average is 0.125.

Base conversion 20912997

Base System Value
2 Binary 1001111110001101101100101
3 Ternary 1110100111020110
4 Quaternary 1033301231211
5 Quinary 20323203442
6 Senary 2024123233
8 Octal 117615545
10 Decimal 20912997
12 Duodecimal 7006519
16 Hexadecimal 13f1b65
20 Vigesimal 6ae29h
36 Base36 cg8kl

Cryptographic Hash Functions

md5 201d077fb955d2e96575132d808eecda
sha1 61bbfea8eeacb22a64ab595ed7334c76287fb6a2
sha256 b4e5f8f6899f7371fadf64de58cafd1f32fc2819c5454887d4037ab44fca455b
sha512 e387d5658499620e1734fe863346c691c471b189b76d2ca19dfe19124897c3a0b61e050789cc0383d63e44e1eff0b6a12c9b687f9c7f3d0a5431550b8756d112
ripemd-160 b5d152917b7d40c9df60ed6d673a8244c342c5a7

20912997 as geometric shapes

Circle

Radius = n
Diameter 41825994
Circumference 131400235.47949
Area 1.3739863651909E+15

Sphere

Radius = n
Volume 3.8312230311039E+22
Surface area 5.4959454607638E+15
Circumference 131400235.47949

Square

Length = n
Perimeter 83651988
Area 437353443522009
Diagonal 29575443.987268

Cube

Length = n
Surface area 2624120661132054
Volume 9.1463712523154E+21
Space diagonal 36222373.342536

Equilateral Triangle

Length = n
Perimeter 62738991
Area 1.8937959626133E+14
Altitude 18111186.671268

Triangular Pyramid

Length = n
Surface area 1.8937959626133E+14
Volume 1.0779101892937E+21
Height 9858481.3290893