20798749 (number)

20798749 is an odd 8-digits composite number following 20798748 and preceding 20798750. In scientific notation, it is written as 2.0798749 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 19704060 positive integers (up to 20798749) that are relatively prime to 20798749.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0798749 × 10^7
Engineering notation 2.0798749 × 10^6

Prime Factorization of 20798749

Prime Factorization 19 × 1094671

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20798749
Product of the distinct prime numbers

The prime factorization of 20798749 is 19 × 1094671. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20798749)

Multiplication

n×y
n×2 41597498
n×3 62396247
n×4 83194996
n×5 103993745

Division

n÷y
n÷2 10399374.5
n÷3 6932916.3333333
n÷3 5199687.25
n÷5 4159749.8

Exponentiation

ny
n2 432587959965001
n3 8.9972883997341E+21
n4 1.8713234310668E+29
n5 3.8921186340577E+36

Nth Root

y√n
2√n 4560.5645483865
3√n 275.00825980701
4√n 67.531952055205
5√n 29.080873200046

Divisors of 20798749

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20798748
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20798749 can be divided by 4 positive divisors. The sum of these divisors (counting 20798749) is 1, the average is 0.25.

Base conversion 20798749

Base System Value
2 Binary 1001111010101110100011101
3 Ternary 1110010200112001
4 Quaternary 1033111310131
5 Quinary 20311024444
6 Senary 2021442301
8 Octal 117256435
10 Decimal 20798749
12 Duodecimal 6b70391
16 Hexadecimal 13d5d1d
20 Vigesimal 69jgh9
36 Base36 cdsf1

Cryptographic Hash Functions

md5 bb144ff914bc3bb04f9b5194454058ca
sha1 d67198f70aa28528a55c1e3efd4a674a67987797
sha256 5e0a74b2830979e48cad2ee673f286bc4d479714b259ece00baff46bf3a8021c
sha512 246d00d1c1138d437b771f179bd09c4f64fc72b7c53ca6c5a5f7b968dc480c5c520d26d597fcd46888bb5c5820a4f97d516f7ee6af25de063b10404718d130a5
ripemd-160 ad9328a70ffa7ccd9559f7cc9c8ab5f623657c59

20798749 as geometric shapes

Circle

Radius = n
Diameter 41597498
Circumference 130682394.12452
Area 1.3590151570574E+15

Sphere

Radius = n
Volume 3.7687753518444E+22
Surface area 5.4360606282298E+15
Circumference 130682394.12452

Square

Length = n
Perimeter 83194996
Area 432587959965001
Diagonal 29413872.916194

Cube

Length = n
Surface area 2595527759790006
Volume 8.9972883997341E+21
Space diagonal 36024490.001872

Equilateral Triangle

Length = n
Perimeter 62396247
Area 1.8731608135049E+14
Altitude 18012245.000936

Triangular Pyramid

Length = n
Surface area 1.8731608135049E+14
Volume 1.0603406066238E+21
Height 9804624.305398