13045981 (number)

13045981 is an odd 8-digits composite number following 13045980 and preceding 13045982. In scientific notation, it is written as 1.3045981 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 11889072 positive integers (up to 13045981) that are relatively prime to 13045981.

Interesting facts

Basic properties

Name

Name thirteen million forty-five thousand nine hundred eighty-one

Notation

Scientific notation 1.3045981 × 10^7
Engineering notation 1.3045981 × 10^6

Prime Factorization of 13045981

Prime Factorization 13 × 79 × 12703

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 13045981
Product of the distinct prime numbers

The prime factorization of 13045981 is 13 × 79 × 12703. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 13045981)

Multiplication

n×y
n×2 26091962
n×3 39137943
n×4 52183924
n×5 65229905

Division

n÷y
n÷2 6522990.5
n÷3 4348660.3333333
n÷3 3261495.25
n÷5 2609196.2

Exponentiation

ny
n2 170197620252361
n3 2.2203949200575E+21
n4 2.8967229939567E+28
n5 3.7790593141422E+35

Nth Root

y√n
2√n 3611.922064497
3√n 235.41036492734
4√n 60.099268418983
5√n 26.490816744494

Divisors of 13045981

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -13045980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 13045981 can be divided by 8 positive divisors. The sum of these divisors (counting 13045981) is 1, the average is 0.125.

Base conversion 13045981

Base System Value
2 Binary 110001110001000011011101
3 Ternary 220112210201111
4 Quaternary 301301003131
5 Quinary 11314432411
6 Senary 1143342021
8 Octal 61610335
10 Decimal 13045981
12 Duodecimal 4451911
16 Hexadecimal c710dd
20 Vigesimal 41aej1
36 Base36 7rmcd

Cryptographic Hash Functions

md5 817da9a8889b8ee25c8bf26108f65856
sha1 35fcf6b2fabff18da0d510105f0bd1330dc9ff5b
sha256 79895d20dcec96c4487641aa701c7043e305bedf3e5b125ef0a697971694404b
sha512 a4115cbd1f4dee2677827ee52497c61d9f1b237d7cf5815479f63eb17a1061034ff8d31a4fb36425904b02e723567fbe580c9c362cbf499fabc1cc3e66c12808
ripemd-160 3b07a22c83a27ec6553d067b084d4981ed826f47

13045981 as geometric shapes

Circle

Radius = n
Diameter 26091962
Circumference 81970316.136944
Area 5.3469159344328E+14

Sphere

Radius = n
Volume 9.3007684918944E+21
Surface area 2.1387663737731E+15
Circumference 81970316.136944

Square

Length = n
Perimeter 52183924
Area 170197620252361
Diagonal 18449803.264662

Cube

Length = n
Surface area 1021185721514166
Volume 2.2203949200575E+21
Space diagonal 22596301.926578

Equilateral Triangle

Length = n
Perimeter 39137943
Area 73697731401101
Altitude 11298150.963289

Triangular Pyramid

Length = n
Surface area 73697731401101
Volume 2.6167605081414E+20
Height 6149934.4215539