72129042 (number)

72129042 is an even 8-digits composite number following 72129041 and preceding 72129043. In scientific notation, it is written as 7.2129042 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 40 positive divisors. There are 23700600 positive integers (up to 72129042) that are relatively prime to 72129042.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred twenty-nine thousand forty-two

Notation

Scientific notation 7.2129042 × 10^7
Engineering notation 7.2129042 × 10^6

Prime Factorization of 72129042

Prime Factorization 2 × 3 × 9 × 3 × 71 × 6271

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 24043014
Product of the distinct prime numbers

The prime factorization of 72129042 is 2 × 3 × 9 × 3 × 71 × 6271. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72129042)

Multiplication

n×y
n×2 144258084
n×3 216387126
n×4 288516168
n×5 360645210

Division

n÷y
n÷2 36064521
n÷3 24043014
n÷3 18032260.5
n÷5 14425808.4

Exponentiation

ny
n2 5202598699837764
n3 3.7525846012974E+23
n4 2.7067033231554E+31
n5 1.9523191767741E+39

Nth Root

y√n
2√n 8492.8818430495
3√n 416.26515162768
4√n 92.15683286143
5√n 37.292545889098

Divisors of 72129042

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72129041
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72129042 can be divided by 40 positive divisors. The sum of these divisors (counting 72129042) is 1, the average is 0.025.

Base conversion 72129042

Base System Value
2 Binary 100010011001001101000010010
3 Ternary 12000201112110000
4 Quaternary 10103021220102
5 Quinary 121431112132
6 Senary 11053550430
8 Octal 423115022
10 Decimal 72129042
12 Duodecimal 201a5416
16 Hexadecimal 44c9a12
20 Vigesimal 12ag2c2
36 Base36 16xz4i

Cryptographic Hash Functions

md5 0151c993e470678eda1c039e7cbe148e
sha1 02cd2385a67ba315c88877e235c77a6a47869455
sha256 bb33da59ea638a215d88cd757287cca8749fddb1b5ee564ea43d529cd3a36197
sha512 5dcd09b0a0d79cdb17fc752abde21321ac53985ee42930eade2b813f397cc2dc78c3b51f0e480aa1ccccaa139716834dbd9f6d2d62dc050b05cadc9e77408cdd
ripemd-160 ef3ed3a7575a8c4621da325128d58bec7e395617

72129042 as geometric shapes

Circle

Radius = n
Diameter 144258084
Circumference 453200136.91534
Area 1.6344445854986E+16

Sphere

Radius = n
Volume 1.5718789620547E+24
Surface area 6.5377783419945E+16
Circumference 453200136.91534

Square

Length = n
Perimeter 288516168
Area 5202598699837764
Diagonal 102005869.43738

Cube

Length = n
Surface area 31215592199026584
Volume 3.7525846012974E+23
Space diagonal 124931165.44527

Equilateral Triangle

Length = n
Perimeter 216387126
Area 2.2527913198777E+15
Altitude 62465582.722635

Triangular Pyramid

Length = n
Surface area 2.2527913198777E+15
Volume 4.4224633642561E+22
Height 34001956.479126