42156921 (number)

42156921 is an odd 8-digits composite number following 42156920 and preceding 42156922. In scientific notation, it is written as 4.2156921 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 28104612 positive integers (up to 42156921) that are relatively prime to 42156921.

Interesting facts

Basic properties

Name

Name forty-two million one hundred fifty-six thousand nine hundred twenty-one

Notation

Scientific notation 4.2156921 × 10^7
Engineering notation 4.2156921 × 10^6

Prime Factorization of 42156921

Prime Factorization 3 × 14052307

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 42156921
Product of the distinct prime numbers

The prime factorization of 42156921 is 3 × 14052307. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 10, 28, 35, 145, 816, 9532, 8985, 36492, 65985, 369823, 452350, 1401238, 7582555, 62157310, 10757629, 976318006, 722556105, 313894056, 9139317732

Basic calculations (n = 42156921)

Multiplication

n×y
n×2 84313842
n×3 126470763
n×4 168627684
n×5 210784605

Division

n÷y
n÷2 21078460.5
n÷3 14052307
n÷3 10539230.25
n÷5 8431384.2

Exponentiation

ny
n2 1777205988200241
n3 7.4921532445284E+22
n4 3.1584611244948E+30
n5 1.331509961069E+38

Nth Root

y√n
2√n 6492.8361291503
3√n 348.03503247535
4√n 80.578136793738
5√n 33.494521416275

Divisors of 42156921

1, 3, 14052307, 42156921

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 -42156920
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 42156921 can be divided by 4 positive divisors. The sum of these divisors (counting 42156921) is 1, the average is 0.25.

Base conversion 42156921

Base System Value
2 Binary 10100000110100001101111001
3 Ternary 2221022210102110
4 Quaternary 2200310031321
5 Quinary 41243010141
6 Senary 4103322533
8 Octal 240641571
10 Decimal 42156921
12 Duodecimal 12150449
16 Hexadecimal 2834379
20 Vigesimal d39c61
36 Base36 p3khl

Cryptographic Hash Functions

md5 dd49c220f8bc446a7e803a31a39db903
sha1 a5fa0f8a33b53609c201f9630dcd95468f15d596
sha256 63ba9c8240ff8458351bcc97623e78f3fe7ed3211a6189cd8e3b8bb40c82a68f
sha512 0ba6ee259f13f892f55ea228db6b8c7388971e447988a685a88c004266cf436d894243e8eefff8f61a1334d8c20a830bdab163e7a2c742af7b2699c0e2aa6228
ripemd-160 99dc8c518e576fdd5cc9f0cb5d98a1d8b946727b

42156921 as geometric shapes

Circle

Radius = n
Diameter 84313842
Circumference 264879746.62313
Area 5.5832572764457E+15

Sphere

Radius = n
Volume 3.1383058123439E+23
Surface area 2.2333029105783E+16
Circumference 264879746.62313

Square

Length = n
Perimeter 168627684
Area 1777205988200241
Diagonal 59618889.426091

Cube

Length = n
Surface area 10663235929201446
Volume 7.4921532445284E+22
Space diagonal 73017929.062667

Equilateral Triangle

Length = n
Perimeter 126470763
Area 7.6955276676962E+14
Altitude 36508964.531334

Triangular Pyramid

Length = n
Surface area 7.6955276676962E+14
Volume 8.8295872748248E+21
Height 19872963.14203