20120731 (number)

20120731 is an odd 8-digits composite number following 20120730 and preceding 20120732. In scientific notation, it is written as 2.0120731 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 20067264 positive integers (up to 20120731) that are relatively prime to 20120731.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty thousand seven hundred thirty-one

Notation

Scientific notation 2.0120731 × 10^7
Engineering notation 2.0120731 × 10^6

Prime Factorization of 20120731

Prime Factorization 379 × 53089

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20120731
Product of the distinct prime numbers

The prime factorization of 20120731 is 379 × 53089. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20120731)

Multiplication

n×y
n×2 40241462
n×3 60362193
n×4 80482924
n×5 100603655

Division

n÷y
n÷2 10060365.5
n÷3 6706910.3333333
n÷3 5030182.75
n÷5 4024146.2

Exponentiation

ny
n2 404843815974361
n3 8.1457535182336E+21
n4 1.6389851533268E+29
n5 3.2977579383083E+36

Nth Root

y√n
2√n 4485.6137818586
3√n 271.98685688367
4√n 66.974724947988
5√n 28.888750026962

Divisors of 20120731

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 -20120730
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 20120731 can be divided by 4 positive divisors. The sum of these divisors (counting 20120731) is 1, the average is 0.25.

Base conversion 20120731

Base System Value
2 Binary 1001100110000010010011011
3 Ternary 1101212020110021
4 Quaternary 1030300102123
5 Quinary 20122330411
6 Senary 1555131311
8 Octal 114602233
10 Decimal 20120731
12 Duodecimal 68a3b37
16 Hexadecimal 133049b
20 Vigesimal 65f1gb
36 Base36 bz997

Cryptographic Hash Functions

md5 8b9ff2bf51dbe081b271ff0779b6de27
sha1 b55ac2ce3ff1b2ec80ba49660d48ec457035cb66
sha256 f71ec5594267930be87c51db83565ce7074c7fbe502d13bec709e281025057e3
sha512 9d3fba395c77096398d008a84dab44e737034cd3a9fa83579d25efbb21aeff8a7858fd1cd9752f63f61d6646134821430708df5573e10fc3339afd57fe85f3c9
ripemd-160 5dd6ee2eb7529718f989e4c8132f255c06c9c3a5

20120731 as geometric shapes

Circle

Radius = n
Diameter 40241462
Circumference 126422281.38891
Area 1.2718543581163E+15

Sphere

Radius = n
Volume 3.4120852547781E+22
Surface area 5.0874174324652E+15
Circumference 126422281.38891

Square

Length = n
Perimeter 80482924
Area 404843815974361
Diagonal 28455010.665061

Cube

Length = n
Surface area 2429062895846166
Volume 8.1457535182336E+21
Space diagonal 34850128.377426

Equilateral Triangle

Length = n
Perimeter 60362193
Area 1.7530251459941E+14
Altitude 17425064.188713

Triangular Pyramid

Length = n
Surface area 1.7530251459941E+14
Volume 9.599862584362E+20
Height 9485003.5550203