20139145 (number)

20139145 is an odd 8-digits composite number following 20139144 and preceding 20139146. In scientific notation, it is written as 2.0139145 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 13457664 positive integers (up to 20139145) that are relatively prime to 20139145.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-nine thousand one hundred forty-five

Notation

Scientific notation 2.0139145 × 10^7
Engineering notation 2.0139145 × 10^6

Prime Factorization of 20139145

Prime Factorization 23 × 95 × 13 × 709

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20139145
Product of the distinct prime numbers

The prime factorization of 20139145 is 23 × 95 × 13 × 709. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20139145)

Multiplication

n×y
n×2 40278290
n×3 60417435
n×4 80556580
n×5 100695725

Division

n÷y
n÷2 10069572.5
n÷3 6713048.3333333
n÷3 5034786.25
n÷5 4027829

Exponentiation

ny
n2 405585161331025
n3 8.1681383738939E+21
n4 1.6449932309191E+29
n5 3.3128757201499E+36

Nth Root

y√n
2√n 4487.6658743717
3√n 272.06980348759
4√n 66.990043098745
5√n 28.894035747606

Divisors of 20139145

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20139144
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20139145 can be divided by 16 positive divisors. The sum of these divisors (counting 20139145) is 1, the average is 0.0625.

Base conversion 20139145

Base System Value
2 Binary 1001100110100110010001001
3 Ternary 1101220011201021
4 Quaternary 1030310302021
5 Quinary 20123423040
6 Senary 1555352441
8 Octal 114646211
10 Decimal 20139145
12 Duodecimal 68b2721
16 Hexadecimal 1334c89
20 Vigesimal 65h7h5
36 Base36 bzngp

Cryptographic Hash Functions

md5 91a2ea79e1944004cc108a58d644464c
sha1 d0381484fd16f13e995b649862189258c72ee0d9
sha256 3cf863d7b894ffbb2c47a6e63382c82dab7872148a7b624e7477ffd27919c5d8
sha512 237097745e7eaf0ac10be637bfc683cfc288eb8d2f34cd6d93dca7fb7dcc0fb513d0ce20f37fa3085d5dcc6e6c368fdd0cbe838c882cd9b35842bd1e6c67adfb
ripemd-160 f166a3b2b65a742912eb50c61b8a0d0666de2811

20139145 as geometric shapes

Circle

Radius = n
Diameter 40278290
Circumference 126537979.96316
Area 1.2741833632426E+15

Sphere

Radius = n
Volume 3.4214618011907E+22
Surface area 5.0967334529703E+15
Circumference 126537979.96316

Square

Length = n
Perimeter 80556580
Area 405585161331025
Diagonal 28481051.993598

Cube

Length = n
Surface area 2433510967986150
Volume 8.1681383738939E+21
Space diagonal 34882022.360997

Equilateral Triangle

Length = n
Perimeter 60417435
Area 1.7562352655534E+14
Altitude 17441011.180498

Triangular Pyramid

Length = n
Surface area 1.7562352655534E+14
Volume 9.6262433897507E+20
Height 9493683.9978661