12101981 (number)

12101981 is an odd 8-digits composite number following 12101980 and preceding 12101982. In scientific notation, it is written as 1.2101981 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 11956092 positive integers (up to 12101981) that are relatively prime to 12101981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2101981 × 10^7
Engineering notation 1.2101981 × 10^6

Prime Factorization of 12101981

Prime Factorization 83 × 145807

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12101981
Product of the distinct prime numbers

The prime factorization of 12101981 is 83 × 145807. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12101981)

Multiplication

n×y
n×2 24203962
n×3 36305943
n×4 48407924
n×5 60509905

Division

n÷y
n÷2 6050990.5
n÷3 4033993.6666667
n÷3 3025495.25
n÷5 2420396.2

Exponentiation

ny
n2 146457944124361
n3 1.7724312570921E+21
n4 2.1449929397134E+28
n5 2.5958663801546E+35

Nth Root

y√n
2√n 3478.7901632608
3√n 229.58957049146
4√n 58.981269596888
5√n 26.095840745896

Divisors of 12101981

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 -12101980
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 12101981 can be divided by 4 positive divisors. The sum of these divisors (counting 12101981) is 1, the average is 0.25.

Base conversion 12101981

Base System Value
2 Binary 101110001010100101011101
3 Ternary 211202211210112
4 Quaternary 232022211131
5 Quinary 11044230411
6 Senary 1111215405
8 Octal 56124535
10 Decimal 12101981
12 Duodecimal 4077565
16 Hexadecimal b8a95d
20 Vigesimal 3fcej1
36 Base36 77dy5

Cryptographic Hash Functions

md5 3a3a7ce77db978bc6c17340fafa0ea2d
sha1 ac51e479d3cda388246361f6fb7e112e542eb94b
sha256 87bbf81963e607d6b485433f588d1e1edfabfc284d48363a472c2bead7517cce
sha512 ce08f8081e6ccf472f968ad1109725e8e3e89f4fedf7e5974a214c2099a225c134e23e4c5f4ee92796d051990e8e05a321d993eb2094494c73d8f196e1c672c4
ripemd-160 a8f07eaa63327dfb12f18a6e59a7b13170212dbf

12101981 as geometric shapes

Circle

Radius = n
Diameter 24203962
Circumference 76038989.206967
Area 4.6011120132096E+14

Sphere

Radius = n
Volume 7.4243426883645E+21
Surface area 1.8404448052838E+15
Circumference 76038989.206967

Square

Length = n
Perimeter 48407924
Area 146457944124361
Diagonal 17114785.661782

Cube

Length = n
Surface area 878747664746166
Volume 1.7724312570921E+21
Space diagonal 20961245.964233

Equilateral Triangle

Length = n
Perimeter 36305943
Area 63418150098869
Altitude 10480622.982117

Triangular Pyramid

Length = n
Surface area 63418150098869
Volume 2.0888302684613E+20
Height 5704928.5539272