20972961 (number)

20972961 is an odd 8-digits composite number following 20972960 and preceding 20972962. In scientific notation, it is written as 2.0972961 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 13928760 positive integers (up to 20972961) that are relatively prime to 20972961.

Interesting facts

Basic properties

Name

Name twenty million nine hundred seventy-two thousand nine hundred sixty-one

Notation

Scientific notation 2.0972961 × 10^7
Engineering notation 2.0972961 × 10^6

Prime Factorization of 20972961

Prime Factorization 3 × 3 × 271 × 8599

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 6990987
Product of the distinct prime numbers

The prime factorization of 20972961 is 3 × 3 × 271 × 8599. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20972961)

Multiplication

n×y
n×2 41945922
n×3 62918883
n×4 83891844
n×5 104864805

Division

n÷y
n÷2 10486480.5
n÷3 6990987
n÷3 5243240.25
n÷5 4194592.2

Exponentiation

ny
n2 439865093107521
n3 9.2252734430054E+21
n4 1.9348130013449E+29
n5 4.0578757619499E+36

Nth Root

y√n
2√n 4579.6245479297
3√n 275.77395638301
4√n 67.672923299719
5√n 29.129427541526

Divisors of 20972961

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20972960
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20972961 can be divided by 12 positive divisors. The sum of these divisors (counting 20972961) is 1, the average is 0.083333333333333.

Base conversion 20972961

Base System Value
2 Binary 1010000000000010110100001
3 Ternary 1110110112111100
4 Quaternary 1100000112201
5 Quinary 20332113321
6 Senary 2025305013
8 Octal 120002641
10 Decimal 20972961
12 Duodecimal 7035169
16 Hexadecimal 14005a1
20 Vigesimal 6b1c81
36 Base36 chiu9

Cryptographic Hash Functions

md5 45f6e56d91464da08a3225bb9efbc25d
sha1 571be017a2b848465a0aa91f979e73b3bec6a2f9
sha256 4cce3a3c5b9612727224488ad3e6a4ad34777821b0e82cb38018dd9422abc180
sha512 18c05f0fe841baf5bd36740be580892496c94c6bd2a14c348a9a4a50ade1ad891eaac71a979215d9562230e7e172b4fbacb66094aa0bbcb1ebd0ee7d43b1cc6e
ripemd-160 21f9c050dc32f827dc3a620d4a78b3d3a10eea4c

20972961 as geometric shapes

Circle

Radius = n
Diameter 41945922
Circumference 131777000.40325
Area 1.3818769450772E+15

Sphere

Radius = n
Volume 3.8642735034537E+22
Surface area 5.5275077803087E+15
Circumference 131777000.40325

Square

Length = n
Perimeter 83891844
Area 439865093107521
Diagonal 29660245.889322

Cube

Length = n
Surface area 2639190558645126
Volume 9.2252734430054E+21
Space diagonal 36326234.037161

Equilateral Triangle

Length = n
Perimeter 62918883
Area 1.9046717243456E+14
Altitude 18163117.01858

Triangular Pyramid

Length = n
Surface area 1.9046717243456E+14
Volume 1.0872089016415E+21
Height 9886748.629774