12145891 (number)

12145891 is an odd 8-digits composite number following 12145890 and preceding 12145892. In scientific notation, it is written as 1.2145891 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 12032272 positive integers (up to 12145891) that are relatively prime to 12145891.

Interesting facts

Basic properties

Name

Name twelve million one hundred forty-five thousand eight hundred ninety-one

Notation

Scientific notation 1.2145891 × 10^7
Engineering notation 1.2145891 × 10^6

Prime Factorization of 12145891

Prime Factorization 107 × 113513

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12145891
Product of the distinct prime numbers

The prime factorization of 12145891 is 107 × 113513. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12145891)

Multiplication

n×y
n×2 24291782
n×3 36437673
n×4 48583564
n×5 60729455

Division

n÷y
n÷2 6072945.5
n÷3 4048630.3333333
n÷3 3036472.75
n÷5 2429178.2

Exponentiation

ny
n2 147522668183881
n3 1.7917942477906E+21
n4 2.1762937628091E+28
n5 2.643302682706E+35

Nth Root

y√n
2√n 3485.0955510574
3√n 229.86691103095
4√n 59.034697856916
5√n 26.11475019456

Divisors of 12145891

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 -12145890
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 12145891 can be divided by 4 positive divisors. The sum of these divisors (counting 12145891) is 1, the average is 0.25.

Base conversion 12145891

Base System Value
2 Binary 101110010101010011100011
3 Ternary 211212002000211
4 Quaternary 232111103203
5 Quinary 11102132031
6 Senary 1112154551
8 Octal 56252343
10 Decimal 12145891
12 Duodecimal 4098a57
16 Hexadecimal b954e3
20 Vigesimal 3fi4eb
36 Base36 78btv

Cryptographic Hash Functions

md5 527628304567cc9006f396211779d1b7
sha1 aa152454b415d4244d148f2b0da7ce0b4316cd6a
sha256 028b155e93d325f0c86fff240d24142f79f78fe70ad7321f2c036cef900a2902
sha512 979f8efe23205086d30f958b3a360d483bc4a8817fb057e9faba7f13e3396573955ed776d54ee7157d6cb2f73231df2c29b16bb1463c6545aa575f711588ef51
ripemd-160 72531636faaef723399d423e84fbae93af388598

12145891 as geometric shapes

Circle

Radius = n
Diameter 24291782
Circumference 76314883.873805
Area 4.6345613060445E+14

Sphere

Radius = n
Volume 7.5054501941378E+21
Surface area 1.8538245224178E+15
Circumference 76314883.873805

Square

Length = n
Perimeter 48583564
Area 147522668183881
Diagonal 17176883.779305

Cube

Length = n
Surface area 885136009103286
Volume 1.7917942477906E+21
Space diagonal 21037300.315194

Equilateral Triangle

Length = n
Perimeter 36437673
Area 63879189140652
Altitude 10518650.157597

Triangular Pyramid

Length = n
Surface area 63879189140652
Volume 2.1116497718396E+20
Height 5725627.9264351