72655981 (number)

72655981 is an odd 8-digits composite number following 72655980 and preceding 72655982. In scientific notation, it is written as 7.2655981 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 68735952 positive integers (up to 72655981) that are relatively prime to 72655981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.2655981 × 10^7
Engineering notation 7.2655981 × 10^6

Prime Factorization of 72655981

Prime Factorization 19 × 853 × 4483

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 72655981
Product of the distinct prime numbers

The prime factorization of 72655981 is 19 × 853 × 4483. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72655981)

Multiplication

n×y
n×2 145311962
n×3 217967943
n×4 290623924
n×5 363279905

Division

n÷y
n÷2 36327990.5
n÷3 24218660.333333
n÷3 18163995.25
n÷5 14531196.2

Exponentiation

ny
n2 5278891575072361
n3 3.8354304597952E+23
n4 2.786669626137E+31
n5 2.0246821540989E+39

Nth Root

y√n
2√n 8523.847781372
3√n 417.27636869486
4√n 92.324686738553
5√n 37.346875526203

Divisors of 72655981

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 -72655980
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 72655981 can be divided by 8 positive divisors. The sum of these divisors (counting 72655981) is 1, the average is 0.125.

Base conversion 72655981

Base System Value
2 Binary 100010101001010010001101101
3 Ternary 12001201022021021
4 Quaternary 10111022101231
5 Quinary 122044442411
6 Senary 11113134141
8 Octal 425122155
10 Decimal 72655981
12 Duodecimal 203ba351
16 Hexadecimal 454a46d
20 Vigesimal 12e1jj1
36 Base36 1799pp

Cryptographic Hash Functions

md5 efe29e7bcd79412a87dea6111dadb87f
sha1 fcb4f7ae83d6bd33d21d68c72293219f376b4332
sha256 c9ef9414e0934b31733561d4f79fa692413538192e3786e79822e6d519ebe702
sha512 d660bd9144d35f4c506d5c25b1d45de251883ee3c629918cafc867755fe50283783499104e12d4932f85fb8114fac0c2b5807b8e6fa269046d801eef30a06752
ripemd-160 d5f0b64bfebed36b2cd902061f665db6613bd3ca

72655981 as geometric shapes

Circle

Radius = n
Diameter 145311962
Circumference 456510992.29792
Area 1.6584126991344E+16

Sphere

Radius = n
Volume 1.6065813541129E+24
Surface area 6.6336507965378E+16
Circumference 456510992.29792

Square

Length = n
Perimeter 290623924
Area 5278891575072361
Diagonal 102751073.71772

Cube

Length = n
Surface area 31673349450434166
Volume 3.8354304597952E+23
Space diagonal 125843850.56576

Equilateral Triangle

Length = n
Perimeter 217967943
Area 2.2858271039182E+15
Altitude 62921925.28288

Triangular Pyramid

Length = n
Surface area 2.2858271039182E+15
Volume 4.5200981448177E+22
Height 34250357.905907