72181870 (number)

72181870 is an even 8-digits composite number following 72181869 and preceding 72181871. In scientific notation, it is written as 7.2181870 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 27877024 positive integers (up to 72181870) that are relatively prime to 72181870.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred eighty-one thousand eight hundred seventy

Notation

Scientific notation 7.2181870 × 10^7
Engineering notation 7.2181870 × 10^6

Prime Factorization of 72181870

Prime Factorization 2 × 5 × 29 × 248903

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 72181870
Product of the distinct prime numbers

The prime factorization of 72181870 is 2 × 5 × 29 × 248903. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72181870)

Multiplication

n×y
n×2 144363740
n×3 216545610
n×4 288727480
n×5 360909350

Division

n÷y
n÷2 36090935
n÷3 24060623.333333
n÷3 18045467.5
n÷5 14436374

Exponentiation

ny
n2 5210222356696900
n3 3.7608359282219E+23
n4 2.7146417006224E+31
n5 1.9594791433091E+39

Nth Root

y√n
2√n 8495.9914077169
3√n 416.36675235294
4√n 92.173702365246
5√n 37.298006972867

Divisors of 72181870

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72181869
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72181870 can be divided by 16 positive divisors. The sum of these divisors (counting 72181870) is 1, the average is 0.0625.

Base conversion 72181870

Base System Value
2 Binary 100010011010110100001101110
3 Ternary 12000211012220121
4 Quaternary 10103112201232
5 Quinary 121434304440
6 Senary 11055035154
8 Octal 423264156
10 Decimal 72181870
12 Duodecimal 2020baba
16 Hexadecimal 44d686e
20 Vigesimal 12b2eda
36 Base36 16z3vy

Cryptographic Hash Functions

md5 bd02b017d86bccf6d50ffd0a5321a357
sha1 13d74966fb7c9bf883feb0bee49013bbe7b6d31a
sha256 3cfe38440c591114ffe278e8a2270a704e762ec4b6f8b6fc0058e3c6e76d38ea
sha512 6c017c4b41ddf3161aa5e902789a79694933e6e070b7dc7c6ef34a318f6974c34e1c76ab92deccec7d651a022f2ba320ebcac84f22c08342933714c531a6e52a
ripemd-160 b874fc814442daf8e6f82e23d019c09e6470fadc

72181870 as geometric shapes

Circle

Radius = n
Diameter 144363740
Circumference 453532065.02875
Area 1.6368396279368E+16

Sphere

Radius = n
Volume 1.5753352697945E+24
Surface area 6.5473585117473E+16
Circumference 453532065.02875

Square

Length = n
Perimeter 288727480
Area 5210222356696900
Diagonal 102080579.51145

Cube

Length = n
Surface area 31261334140181400
Volume 3.7608359282219E+23
Space diagonal 125022666.22533

Equilateral Triangle

Length = n
Perimeter 216545610
Area 2.2560924601326E+15
Altitude 62511333.112666

Triangular Pyramid

Length = n
Surface area 2.2560924601326E+15
Volume 4.4321876462928E+22
Height 34026859.837151