72156985 (number)

72156985 is an odd 8-digits composite number following 72156984 and preceding 72156986. In scientific notation, it is written as 7.2156985 × 10^7. The sum of its digits is 43. It has a total of 5 prime factors and 16 positive divisors. There are 56090928 positive integers (up to 72156985) that are relatively prime to 72156985.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred fifty-six thousand nine hundred eighty-five

Notation

Scientific notation 7.2156985 × 10^7
Engineering notation 7.2156985 × 10^6

Prime Factorization of 72156985

Prime Factorization 5 × 47 × 47 × 47 × 139

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 32665
Product of the distinct prime numbers

The prime factorization of 72156985 is 5 × 47 × 47 × 47 × 139. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72156985)

Multiplication

n×y
n×2 144313970
n×3 216470955
n×4 288627940
n×5 360784925

Division

n÷y
n÷2 36078492.5
n÷3 24052328.333333
n÷3 18039246.25
n÷5 14431397

Exponentiation

ny
n2 5206630484290225
n3 3.7569475775547E+23
n4 2.710900099994E+31
n5 1.9561037785177E+39

Nth Root

y√n
2√n 8494.5267672779
3√n 416.31889879655
4√n 92.165757021129
5√n 37.295434889531

Divisors of 72156985

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 -72156984
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 72156985 can be divided by 16 positive divisors. The sum of these divisors (counting 72156985) is 1, the average is 0.0625.

Base conversion 72156985

Base System Value
2 Binary 100010011010000011100111001
3 Ternary 12000202221202221
4 Quaternary 10103100130321
5 Quinary 121433010420
6 Senary 11054324041
8 Octal 423203471
10 Decimal 72156985
12 Duodecimal 201b9621
16 Hexadecimal 44d0739
20 Vigesimal 12ajc95
36 Base36 16ykop

Cryptographic Hash Functions

md5 62a6a210362d107a2a4be75c572ef0fe
sha1 2e16d778ed230879d59512c793125e63eecb0ccd
sha256 fd76c7daa7136de133dfd7922dde3888058b7234d67ca7c39b3e714c29635ddd
sha512 5563ca6af81e563be0d48bbeab43a2fe260b3d2d28960c339f11346c59f463e7cf19d9e3c01b4021089ed8bcef87ebdbf0454e3b5a09cdb279ccf90b2d2858f9
ripemd-160 9472bbadea1132c1b5604d70c08d519509a49656

72156985 as geometric shapes

Circle

Radius = n
Diameter 144313970
Circumference 453375707.96238
Area 1.6357112079403E+16

Sphere

Radius = n
Volume 1.5737065212757E+24
Surface area 6.5428448317611E+16
Circumference 453375707.96238

Square

Length = n
Perimeter 288627940
Area 5206630484290225
Diagonal 102045386.80695

Cube

Length = n
Surface area 31239782905741350
Volume 3.7569475775547E+23
Space diagonal 124979564.14099

Equilateral Triangle

Length = n
Perimeter 216470955
Area 2.2545371337569E+15
Altitude 62489782.070493

Triangular Pyramid

Length = n
Surface area 2.2545371337569E+15
Volume 4.4276051810855E+22
Height 34015128.935651