12905620 (number)

12905620 is an even 8-digits composite number following 12905619 and preceding 12905621. In scientific notation, it is written as 1.2905620 × 10^7. The sum of its digits is 25. It has a total of 7 prime factors and 72 positive divisors. There are 4080384 positive integers (up to 12905620) that are relatively prime to 12905620.

Interesting facts

Basic properties

Name

Name twelve million nine hundred five thousand six hundred twenty

Notation

Scientific notation 1.2905620 × 10^7
Engineering notation 1.2905620 × 10^6

Prime Factorization of 12905620

Prime Factorization 2 × 2 × 7 × 7 × 5 × 13 × 1013

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 921830
Product of the distinct prime numbers

The prime factorization of 12905620 is 2 × 2 × 7 × 7 × 5 × 13 × 1013. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12905620)

Multiplication

n×y
n×2 25811240
n×3 38716860
n×4 51622480
n×5 64528100

Division

n÷y
n÷2 6452810
n÷3 4301873.3333333
n÷3 3226405
n÷5 2581124

Exponentiation

ny
n2 166555027584400
n3 2.1494958950938E+21
n4 2.774057721364E+28
n5 3.580093480999E+35

Nth Root

y√n
2√n 3592.4392827159
3√n 234.56306316093
4√n 59.936960906571
5√n 26.433567182198

Divisors of 12905620

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12905619
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12905620 can be divided by 72 positive divisors. The sum of these divisors (counting 12905620) is 1, the average is 0.013888888888889.

Base conversion 12905620

Base System Value
2 Binary 110001001110110010010100
3 Ternary 220021200011221
4 Quaternary 301032302110
5 Quinary 11300434440
6 Senary 1140340124
8 Octal 61166224
10 Decimal 12905620
12 Duodecimal 43a4644
16 Hexadecimal c4ec94
20 Vigesimal 40d410
36 Base36 7om1g

Cryptographic Hash Functions

md5 b7b5f7b395bb5529e756dbb50641a90d
sha1 6048f8c75b4c4b17d80865dc4cb4a41b6239cb0b
sha256 db294e4b68c61f49df5c452f0f3ecb054a3211f95f358377d2e318c544d404c2
sha512 9923064bbe450b97f6223b119c436a33b5d081155cd0fdeef2a38141efa417c2746363474d9dc4a77d6e60327c26f342815ef5e18db5630ef95edc99b6805777
ripemd-160 df652a506ae281b073154995fc3f9e23ffbc32c6

12905620 as geometric shapes

Circle

Radius = n
Diameter 25811240
Circumference 81088401.964043
Area 5.232480510776E+14

Sphere

Radius = n
Volume 9.0037873505974E+21
Surface area 2.0929922043104E+15
Circumference 81088401.964043

Square

Length = n
Perimeter 51622480
Area 166555027584400
Diagonal 18251302.834833

Cube

Length = n
Surface area 999330165506400
Volume 2.1494958950938E+21
Space diagonal 22353189.543177

Equilateral Triangle

Length = n
Perimeter 38716860
Area 72120442508054
Altitude 11176594.771589

Triangular Pyramid

Length = n
Surface area 72120442508054
Volume 2.5332052059224E+20
Height 6083767.6116112