20120745 (number)

20120745 is an odd 8-digits composite number following 20120744 and preceding 20120746. In scientific notation, it is written as 2.0120745 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 10264320 positive integers (up to 20120745) that are relatively prime to 20120745.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty thousand seven hundred forty-five

Notation

Scientific notation 2.0120745 × 10^7
Engineering notation 2.0120745 × 10^6

Prime Factorization of 20120745

Prime Factorization 15 × 23 × 58321

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20120745
Product of the distinct prime numbers

The prime factorization of 20120745 is 15 × 23 × 58321. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20120745)

Multiplication

n×y
n×2 40241490
n×3 60362235
n×4 80482980
n×5 100603725

Division

n÷y
n÷2 10060372.5
n÷3 6706915
n÷3 5030186.25
n÷5 4024149

Exponentiation

ny
n2 404844379355025
n3 8.1457705216857E+21
n4 1.6389897149536E+29
n5 3.2977694112203E+36

Nth Root

y√n
2√n 4485.6153424029
3√n 271.98691996646
4√n 66.974736598234
5√n 28.888754047118

Divisors of 20120745

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 -20120744
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 20120745 can be divided by 8 positive divisors. The sum of these divisors (counting 20120745) is 1, the average is 0.125.

Base conversion 20120745

Base System Value
2 Binary 1001100110000010010101001
3 Ternary 1101212020110210
4 Quaternary 1030300102221
5 Quinary 20122330440
6 Senary 1555131333
8 Octal 114602251
10 Decimal 20120745
12 Duodecimal 68a3b49
16 Hexadecimal 13304a9
20 Vigesimal 65f1h5
36 Base36 bz99l

Cryptographic Hash Functions

md5 3b601a75097c26378932376ccf015cc2
sha1 5ce129c4cf4467473f9671ab4d8b712811a8204a
sha256 4288afe1f704c1735734fe57732309a1a5b65d9c1a87779a3d91a8502bfeccb8
sha512 9f709fd0e6cc261f072b75fa98195c0851bd63bf6411336e312257e348dba9c645da928501e1b666da5e9ff385ec241ae7816cae8f3c49ee578ab55fc07291d5
ripemd-160 79e69e9fc44fb102e41a689814e1519390255de3

20120745 as geometric shapes

Circle

Radius = n
Diameter 40241490
Circumference 126422369.35351
Area 1.2718561280289E+15

Sphere

Radius = n
Volume 3.4120923771675E+22
Surface area 5.0874245121155E+15
Circumference 126422369.35351

Square

Length = n
Perimeter 80482980
Area 404844379355025
Diagonal 28455030.464051

Cube

Length = n
Surface area 2429066276130150
Volume 8.1457705216857E+21
Space diagonal 34850152.626137

Equilateral Triangle

Length = n
Perimeter 60362235
Area 1.753027585504E+14
Altitude 17425076.313069

Triangular Pyramid

Length = n
Surface area 1.753027585504E+14
Volume 9.5998826231224E+20
Height 9485010.1546835