72642905 (number)

72642905 is an odd 8-digits composite number following 72642904 and preceding 72642906. In scientific notation, it is written as 7.2642905 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 57898800 positive integers (up to 72642905) that are relatively prime to 72642905.

Interesting facts

Basic properties

Name

Name seventy-two million six hundred forty-two thousand nine hundred five

Notation

Scientific notation 7.2642905 × 10^7
Engineering notation 7.2642905 × 10^6

Prime Factorization of 72642905

Prime Factorization 5 × 271 × 53611

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 72642905
Product of the distinct prime numbers

The prime factorization of 72642905 is 5 × 271 × 53611. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72642905)

Multiplication

n×y
n×2 145285810
n×3 217928715
n×4 290571620
n×5 363214525

Division

n÷y
n÷2 36321452.5
n÷3 24214301.666667
n÷3 18160726.25
n÷5 14528581

Exponentiation

ny
n2 5276991646839025
n3 3.8333600288712E+23
n4 2.7846640840809E+31
n5 2.022860885168E+39

Nth Root

y√n
2√n 8523.0807223679
3√n 417.25133458626
4√n 92.320532506956
5√n 37.345531155383

Divisors of 72642905

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72642904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72642905 can be divided by 8 positive divisors. The sum of these divisors (counting 72642905) is 1, the average is 0.125.

Base conversion 72642905

Base System Value
2 Binary 100010101000111000101011001
3 Ternary 12001200122022222
4 Quaternary 10111013011121
5 Quinary 122044033110
6 Senary 11112553425
8 Octal 425070531
10 Decimal 72642905
12 Duodecimal 203b2875
16 Hexadecimal 4547159
20 Vigesimal 12e0755
36 Base36 178zmh

Cryptographic Hash Functions

md5 75a2951a9607aa7acaae73416adbfd8e
sha1 a068134e403259ac1d05f9ce6a7566b223c787d1
sha256 d6709d53938b2a4b2c4f3e89b4ceef8701cf2314f7103d2dab375af7c38328a8
sha512 b9a2bf8917f059f89027731367841f87923ec191bc0af5c80526aed7917b220acf5fd69d8240358091d05408d81a9b8924f875ee961a0870f6e406201a8166bf
ripemd-160 310fe285a52051139695faa8df9a9d9d7c2506c3

72642905 as geometric shapes

Circle

Radius = n
Diameter 145285810
Circumference 456428833.36684
Area 1.6578158190764E+16

Sphere

Radius = n
Volume 1.6057140940355E+24
Surface area 6.6312632763057E+16
Circumference 456428833.36684

Square

Length = n
Perimeter 290571620
Area 5276991646839025
Diagonal 102732581.46118

Cube

Length = n
Surface area 31661949881034150
Volume 3.8333600288712E+23
Space diagonal 125821202.2694

Equilateral Triangle

Length = n
Perimeter 217928715
Area 2.2850044108604E+15
Altitude 62910601.1347

Triangular Pyramid

Length = n
Surface area 2.2850044108604E+15
Volume 4.5176581185738E+22
Height 34244193.820393