12955981 (number)

12955981 is an odd 8-digits composite number following 12955980 and preceding 12955982. In scientific notation, it is written as 1.2955981 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 12927772 positive integers (up to 12955981) that are relatively prime to 12955981.

Interesting facts

Basic properties

Name

Name twelve million nine hundred fifty-five thousand nine hundred eighty-one

Notation

Scientific notation 1.2955981 × 10^7
Engineering notation 1.2955981 × 10^6

Prime Factorization of 12955981

Prime Factorization 467 × 27743

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12955981
Product of the distinct prime numbers

The prime factorization of 12955981 is 467 × 27743. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12955981)

Multiplication

n×y
n×2 25911962
n×3 38867943
n×4 51823924
n×5 64779905

Division

n÷y
n÷2 6477990.5
n÷3 4318660.3333333
n÷3 3238995.25
n÷5 2591196.2

Exponentiation

ny
n2 167857443672361
n3 2.1747578509277E+21
n4 2.817612139622E+28
n5 3.6504929346312E+35

Nth Root

y√n
2√n 3599.4417622737
3√n 234.8677753224
4√n 59.995347838592
5√n 26.45416515152

Divisors of 12955981

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 -12955980
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 12955981 can be divided by 4 positive divisors. The sum of these divisors (counting 12955981) is 1, the average is 0.25.

Base conversion 12955981

Base System Value
2 Binary 110001011011000101001101
3 Ternary 220101020021011
4 Quaternary 301123011031
5 Quinary 11304042411
6 Senary 1141405221
8 Octal 61330515
10 Decimal 12955981
12 Duodecimal 4409811
16 Hexadecimal c5b14d
20 Vigesimal 40j9j1
36 Base36 7powd

Cryptographic Hash Functions

md5 67df2e7db71a7c94c029086541288ede
sha1 59649bd6b598e1af3d725b1edafd390d57107e78
sha256 67b3c837cc1b0cc91d46da6d16a10d29d830d0a593caa161fb94c1bdd096f855
sha512 a93414c74826046af060b9c08e3a65222acb2954883fa5adc3c98d6d9a871df49c4e6edd60c7a30c9168272bb3599c6d28ba6652c584c3eb21a4cece8314a7ae
ripemd-160 23816d4ea8bc4f482951b5bb989c5f37cd954f67

12955981 as geometric shapes

Circle

Radius = n
Diameter 25911962
Circumference 81404829.459298
Area 5.2733971189145E+14

Sphere

Radius = n
Volume 9.1096043837482E+21
Surface area 2.1093588475658E+15
Circumference 81404829.459298

Square

Length = n
Perimeter 51823924
Area 167857443672361
Diagonal 18322524.044048

Cube

Length = n
Surface area 1007144662034166
Volume 2.1747578509277E+21
Space diagonal 22440417.353897

Equilateral Triangle

Length = n
Perimeter 38867943
Area 72684405217290
Altitude 11220208.676949

Triangular Pyramid

Length = n
Surface area 72684405217290
Volume 2.5629767063827E+20
Height 6107508.0146827