12920387 (number)

12920387 is an odd 8-digits composite number following 12920386 and preceding 12920388. In scientific notation, it is written as 1.2920387 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 12898896 positive integers (up to 12920387) that are relatively prime to 12920387.

Interesting facts

Basic properties

Name

Name twelve million nine hundred twenty thousand three hundred eighty-seven

Notation

Scientific notation 1.2920387 × 10^7
Engineering notation 1.2920387 × 10^6

Prime Factorization of 12920387

Prime Factorization 619 × 20873

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12920387
Product of the distinct prime numbers

The prime factorization of 12920387 is 619 × 20873. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12920387)

Multiplication

n×y
n×2 25840774
n×3 38761161
n×4 51681548
n×5 64601935

Division

n÷y
n÷2 6460193.5
n÷3 4306795.6666667
n÷3 3230096.75
n÷5 2584077.4

Exponentiation

ny
n2 166936400229769
n3 2.1568828953555E+21
n4 2.7867761721674E+28
n5 3.6006226626781E+35

Nth Root

y√n
2√n 3594.4939838592
3√n 234.65249377249
4√n 59.954098974626
5√n 26.439613632528

Divisors of 12920387

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 -12920386
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 12920387 can be divided by 4 positive divisors. The sum of these divisors (counting 12920387) is 1, the average is 0.25.

Base conversion 12920387

Base System Value
2 Binary 110001010010011001000011
3 Ternary 220022102102212
4 Quaternary 301102121003
5 Quinary 11301423022
6 Senary 1140532335
8 Octal 61223103
10 Decimal 12920387
12 Duodecimal 43b10ab
16 Hexadecimal c52643
20 Vigesimal 40f0j7
36 Base36 7oxfn

Cryptographic Hash Functions

md5 2a061e136ce2bf7baffd741226602712
sha1 df10ae8d091036f694c75b603a398108a529d9a5
sha256 f1541a91c4fe13e7e24c356eba8195f6b42d4363dfd9e6179429d9475e6758b4
sha512 c01c85bb3b8bf34e88c665f3631e539ff35351af6abbde0dfb6fe77f74ffbb35c3afd060242c8b681030ca4efa8b0c98dced9668b00d4784d7cf64ea91c886e4
ripemd-160 ce58e6eef68107ba59cb69c74391e4ff8d638919

12920387 as geometric shapes

Circle

Radius = n
Diameter 25840774
Circumference 81181185.761474
Area 5.2444616857857E+14

Sphere

Radius = n
Volume 9.0347299449364E+21
Surface area 2.0977846743143E+15
Circumference 81181185.761474

Square

Length = n
Perimeter 51681548
Area 166936400229769
Diagonal 18272186.526509

Cube

Length = n
Surface area 1001618401378614
Volume 2.1568828953555E+21
Space diagonal 22378766.737452

Equilateral Triangle

Length = n
Perimeter 38761161
Area 72285581707653
Altitude 11189383.368726

Triangular Pyramid

Length = n
Surface area 72285581707653
Volume 2.5419108692186E+20
Height 6090728.8421697