20731968 (number)

20731968 is an even 8-digits composite number following 20731967 and preceding 20731969. In scientific notation, it is written as 2.0731968 × 10^7. The sum of its digits is 36. It has a total of 8 prime factors and 28 positive divisors. There are 6910464 positive integers (up to 20731968) that are relatively prime to 20731968.

Interesting facts

Basic properties

Name

Name twenty million seven hundred thirty-one thousand nine hundred sixty-eight

Notation

Scientific notation 2.0731968 × 10^7
Engineering notation 2.0731968 × 10^6

Prime Factorization of 20731968

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 9 × 35993

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 647874
Product of the distinct prime numbers

The prime factorization of 20731968 is 2 × 2 × 2 × 2 × 2 × 2 × 9 × 35993. Since it has a total of 8 prime factors.

Most popular turbo-numbers

3, 8, 57, 1, 491, 534, 6039, 3567, 54613, 42711, 330401, 650914, 6774505, 7697876, 85168252, 16493303, 284608460, 934843401, 6734148774, 3113899215

Basic calculations (n = 20731968)

Multiplication

n×y
n×2 41463936
n×3 62195904
n×4 82927872
n×5 103659840

Division

n÷y
n÷2 10365984
n÷3 6910656
n÷3 5182992
n÷5 4146393.6

Exponentiation

ny
n2 429814497153024
n3 8.9109004009126E+21
n4 1.8474050196291E+29
n5 3.8300341749989E+36

Nth Root

y√n
2√n 4553.2370902469
3√n 274.71361039254
4√n 67.477678459227
5√n 29.06217449046

Divisors of 20731968

1, 2, 4, 8, 9, 16, 18, 32, 36, 64, 72, 144, 288, 576, 35993, 71986, 143972, 287944, 323937, 575888, 647874, 1151776, 1295748, 2303552, 2591496, 5182992, 10365984, 20731968

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20731967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20731968 can be divided by 28 positive divisors. The sum of these divisors (counting 20731968) is 1, the average is 0.035714285714286.

Base conversion 20731968

Base System Value
2 Binary 1001111000101100001000000
3 Ternary 1110000021220200
4 Quaternary 1033011201000
5 Quinary 20301410333
6 Senary 2020205200
8 Octal 117054100
10 Decimal 20731968
12 Duodecimal 6b39800
16 Hexadecimal 13c5840
20 Vigesimal 69b9i8
36 Base36 cccw0

Cryptographic Hash Functions

md5 1025b1e51763687306156890e9ae855c
sha1 69a22cd67dc1c8758f32359efac167ea42bcadb6
sha256 173e15006785192da136c6b81e093532851f693c8841328488e24d3f03f993e8
sha512 b604c9f152214abeb128404799241e8523fa1bf993e9041e3afb81286f3da67fb2b19199a6bc89afaa26c7588c52909c47e5b09888cc6b2bf20c69e68e9633e9
ripemd-160 83571469416248a6be50446ae248948e1569e169

20731968 as geometric shapes

Circle

Radius = n
Diameter 41463936
Circumference 130262796.72652
Area 1.3503020666623E+15

Sphere

Radius = n
Volume 3.732589231517E+22
Surface area 5.4012082666493E+15
Circumference 130262796.72652

Square

Length = n
Perimeter 82927872
Area 429814497153024
Diagonal 29319430.320285

Cube

Length = n
Surface area 2578886982918144
Volume 8.9109004009126E+21
Space diagonal 35908821.916892

Equilateral Triangle

Length = n
Perimeter 62195904
Area 1.8611513672468E+14
Altitude 17954410.958446

Triangular Pyramid

Length = n
Surface area 1.8611513672468E+14
Volume 1.0501596833272E+21
Height 9773143.440095