20681261 (number)

20681261 is an odd 8-digits composite number following 20681260 and preceding 20681262. In scientific notation, it is written as 2.0681261 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 19630080 positive integers (up to 20681261) that are relatively prime to 20681261.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-one thousand two hundred sixty-one

Notation

Scientific notation 2.0681261 × 10^7
Engineering notation 2.0681261 × 10^6

Prime Factorization of 20681261

Prime Factorization 41 × 37 × 13633

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20681261
Product of the distinct prime numbers

The prime factorization of 20681261 is 41 × 37 × 13633. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20681261)

Multiplication

n×y
n×2 41362522
n×3 62043783
n×4 82725044
n×5 103406305

Division

n÷y
n÷2 10340630.5
n÷3 6893753.6666667
n÷3 5170315.25
n÷5 4136252.2

Exponentiation

ny
n2 427714556550121
n3 8.8456763775123E+21
n4 1.8293974188487E+29
n5 3.7834245491936E+36

Nth Root

y√n
2√n 4547.6654450388
3√n 274.48945937364
4√n 67.436380723159
5√n 29.04794429746

Divisors of 20681261

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 -20681260
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 20681261 can be divided by 8 positive divisors. The sum of these divisors (counting 20681261) is 1, the average is 0.125.

Base conversion 20681261

Base System Value
2 Binary 1001110111001001000101101
3 Ternary 1102220201100122
4 Quaternary 1032321020231
5 Quinary 20243300021
6 Senary 2015134325
8 Octal 116711055
10 Decimal 20681261
12 Duodecimal 6b143a5
16 Hexadecimal 13b922d
20 Vigesimal 695331
36 Base36 cb9rh

Cryptographic Hash Functions

md5 4fee85f787f916267ce8c5a34116d959
sha1 8210b10223136c56f9b115b33282f557533c4c49
sha256 51892a0abae1cb70fc2ad81805b9bcfccaceecc81f5cf6b2a1225c188a6c4209
sha512 36c8f8d6be25af29ea6a16dadb0813cead1029d5258d7d3ee9760a4069be81cc2b3a22b8c78e48cedf7330e6d4e35f1d2c1e29d8fd4075719032b3c80156cbee
ripemd-160 e0580a24ec8ecf7de30a62019f07d0ae46801902

20681261 as geometric shapes

Circle

Radius = n
Diameter 41362522
Circumference 129944195.24915
Area 1.3437049086913E+15

Sphere

Radius = n
Volume 3.7052682564834E+22
Surface area 5.3748196347651E+15
Circumference 129944195.24915

Square

Length = n
Perimeter 82725044
Area 427714556550121
Diagonal 29247719.793178

Cube

Length = n
Surface area 2566287339300726
Volume 8.8456763775123E+21
Space diagonal 35820994.816593

Equilateral Triangle

Length = n
Perimeter 62043783
Area 1.852058357704E+14
Altitude 17910497.408296

Triangular Pyramid

Length = n
Surface area 1.852058357704E+14
Volume 1.0424729584534E+21
Height 9749239.9310593