12897908 (number)

12897908 is an even 8-digits composite number following 12897907 and preceding 12897909. In scientific notation, it is written as 1.2897908 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors. There are 6431352 positive integers (up to 12897908) that are relatively prime to 12897908.

Interesting facts

Basic properties

Name

Name twelve million eight hundred ninety-seven thousand nine hundred eight

Notation

Scientific notation 1.2897908 × 10^7
Engineering notation 1.2897908 × 10^6

Prime Factorization of 12897908

Prime Factorization 2 × 2 × 383 × 8419

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 6448954
Product of the distinct prime numbers

The prime factorization of 12897908 is 2 × 2 × 383 × 8419. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12897908)

Multiplication

n×y
n×2 25795816
n×3 38693724
n×4 51591632
n×5 64489540

Division

n÷y
n÷2 6448954
n÷3 4299302.6666667
n÷3 3224477
n÷5 2579581.6

Exponentiation

ny
n2 166356030776464
n3 2.1456447802E+21
n4 2.76743289757E+28
n5 3.5694094909031E+35

Nth Root

y√n
2√n 3591.3657569231
3√n 234.51633130336
4√n 59.928004780095
5√n 26.430407250095

Divisors of 12897908

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 -12897907
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 12897908 can be divided by 12 positive divisors. The sum of these divisors (counting 12897908) is 1, the average is 0.083333333333333.

Base conversion 12897908

Base System Value
2 Binary 110001001100111001110100
3 Ternary 220021021121022
4 Quaternary 301030321310
5 Quinary 11300213113
6 Senary 1140240312
8 Octal 61147164
10 Decimal 12897908
12 Duodecimal 43a0098
16 Hexadecimal c4ce74
20 Vigesimal 40c4f8
36 Base36 7og38

Cryptographic Hash Functions

md5 7468e1b58f538b26cd06851aad8911b2
sha1 c7ed9ae7c51fca4079d36c1ae5ae9901291c8c3a
sha256 38e4d017571ebde9a32ca4e74debd294481aea5f655750f6b085f26b29e47a6c
sha512 d2427924addd61339cee5cddbaa7e9b97a6ae9c22c915b80b66773e36580387034f45fcfb5993ef230e8d37e572eb8fcfc7a494d8664e41ab869f31b06444eb3
ripemd-160 e325ef2f6597032715704dc5ad4d90b1c0f549cd

12897908 as geometric shapes

Circle

Radius = n
Diameter 25795816
Circumference 81039946.038954
Area 5.226228841677E+14

Sphere

Radius = n
Volume 8.9876558382528E+21
Surface area 2.0904915366708E+15
Circumference 81039946.038954

Square

Length = n
Perimeter 51591632
Area 166356030776464
Diagonal 18240396.41984

Cube

Length = n
Surface area 998136184658784
Volume 2.1456447802E+21
Space diagonal 22339831.967349

Equilateral Triangle

Length = n
Perimeter 38693724
Area 72034274362582
Altitude 11169915.983675

Triangular Pyramid

Length = n
Surface area 72034274362582
Volume 2.5286666234949E+20
Height 6080132.1399468