12917991 (number)

12917991 is an odd 8-digits composite number following 12917990 and preceding 12917992. In scientific notation, it is written as 1.2917991 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors. There are 8459184 positive integers (up to 12917991) that are relatively prime to 12917991.

Interesting facts

Basic properties

Name

Name twelve million nine hundred seventeen thousand nine hundred ninety-one

Notation

Scientific notation 1.2917991 × 10^7
Engineering notation 1.2917991 × 10^6

Prime Factorization of 12917991

Prime Factorization 3 × 59 × 59 × 1237

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 218949
Product of the distinct prime numbers

The prime factorization of 12917991 is 3 × 59 × 59 × 1237. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12917991)

Multiplication

n×y
n×2 25835982
n×3 38753973
n×4 51671964
n×5 64589955

Division

n÷y
n÷2 6458995.5
n÷3 4305997
n÷3 3229497.75
n÷5 2583598.2

Exponentiation

ny
n2 166874491476081
n3 2.1556831790176E+21
n4 2.7847095905401E+28
n5 3.597285342821E+35

Nth Root

y√n
2√n 3594.1606808823
3√n 234.63798796002
4√n 59.951319258898
5√n 26.438632949614

Divisors of 12917991

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12917990
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12917991 can be divided by 12 positive divisors. The sum of these divisors (counting 12917991) is 1, the average is 0.083333333333333.

Base conversion 12917991

Base System Value
2 Binary 110001010001110011100111
3 Ternary 220022022011010
4 Quaternary 301101303213
5 Quinary 11301333431
6 Senary 1140513303
8 Octal 61216347
10 Decimal 12917991
12 Duodecimal 43ab833
16 Hexadecimal c51ce7
20 Vigesimal 40eejb
36 Base36 7ovl3

Cryptographic Hash Functions

md5 b2d07e915c5a44969396d6fcb00c781c
sha1 b190459e87020aff95aceeceb274c8d1e5e9e9cf
sha256 ea77fb7415f2c17856abc4d789f7a618b5b542e87aae858bc90567ecff739f06
sha512 2d78081f25845a94677e3f00fbee16373537fa5c0ca3de793e924b7c8a6a7356d6521593158598631db142b6fe9e7172e0ccb21d8f0833f4f40c6748912cef73
ripemd-160 49c3d9ff586af6f4600753097b0b740d59aea78b

12917991 as geometric shapes

Circle

Radius = n
Diameter 25835982
Circumference 81166131.249478
Area 5.2425167649279E+14

Sphere

Radius = n
Volume 9.0297045848917E+21
Surface area 2.0970067059712E+15
Circumference 81166131.249478

Square

Length = n
Perimeter 51671964
Area 166874491476081
Diagonal 18268798.070814

Cube

Length = n
Surface area 1001246948856486
Volume 2.1556831790176E+21
Space diagonal 22374616.743717

Equilateral Triangle

Length = n
Perimeter 38753973
Area 72258774430948
Altitude 11187308.371859

Triangular Pyramid

Length = n
Surface area 72258774430948
Volume 2.5404969899552E+20
Height 6089599.3569379