20995845 (number)

20995845 is an odd 8-digits composite number following 20995844 and preceding 20995846. In scientific notation, it is written as 2.0995845 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 10336320 positive integers (up to 20995845) that are relatively prime to 20995845.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-five thousand eight hundred forty-five

Notation

Scientific notation 2.0995845 × 10^7
Engineering notation 2.0995845 × 10^6

Prime Factorization of 20995845

Prime Factorization 15 × 13 × 107671

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20995845
Product of the distinct prime numbers

The prime factorization of 20995845 is 15 × 13 × 107671. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 9, 70, 63, 513, 366, 8999, 1551, 44643, 9768, 707975, 109750, 857178, 8584431, 56108490, 62626249, 26594580, 18028688, 6857542552, 5426480083

Basic calculations (n = 20995845)

Multiplication

n×y
n×2 41991690
n×3 62987535
n×4 83983380
n×5 104979225

Division

n÷y
n÷2 10497922.5
n÷3 6998615
n÷3 5248961.25
n÷5 4199169

Exponentiation

ny
n2 440825507264025
n3 9.2555040225618E+21
n4 1.9432712785458E+29
n5 4.08006225573E+36

Nth Root

y√n
2√n 4582.1223248621
3√n 275.8742206761
4√n 67.691375557468
5√n 29.135781504374

Divisors of 20995845

1, 13, 15, 195, 107671, 1399723, 1615065, 20995845

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 -20995844
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 20995845 can be divided by 8 positive divisors. The sum of these divisors (counting 20995845) is 1, the average is 0.125.

Base conversion 20995845

Base System Value
2 Binary 1010000000101111100000101
3 Ternary 1110111200212220
4 Quaternary 1100011330011
5 Quinary 20333331340
6 Senary 2030002553
8 Octal 120057405
10 Decimal 20995845
12 Duodecimal 7046459
16 Hexadecimal 1405f05
20 Vigesimal 6b49c5
36 Base36 ci0hx

Cryptographic Hash Functions

md5 6aa517b45ba6f4ef2ac4e6133aaf5f28
sha1 b2ab42c73cd739a74b7759a40effdbd3e01c6cd4
sha256 5e72b4ca96cb1ee56d26af9e70bc6b3362c2161b5f95f90576c2d6c24f892bc2
sha512 373c597e02366a7b891f74167c1bfdaf031909cc9c596fac1f3dca6227ae2a9a8619a3371baf287b044fcdb8c0b952a6395c38091a99fc40053a351e338bef43
ripemd-160 1264d7919261502fedb38b91f0f7e145a62c9ea0

20995845 as geometric shapes

Circle

Radius = n
Diameter 41991690
Circumference 131920784.81582
Area 1.3848941751357E+15

Sphere

Radius = n
Volume 3.8769364590068E+22
Surface area 5.5395767005426E+15
Circumference 131920784.81582

Square

Length = n
Perimeter 83983380
Area 440825507264025
Diagonal 29692608.752483

Cube

Length = n
Surface area 2644953043584150
Volume 9.2555040225618E+21
Space diagonal 36365870.287841

Equilateral Triangle

Length = n
Perimeter 62987535
Area 1.908830439634E+14
Altitude 18182935.14392

Triangular Pyramid

Length = n
Surface area 1.908830439634E+14
Volume 1.0907716096088E+21
Height 9897536.2508278