72667981 (number)

72667981 is an odd 8-digits composite number following 72667980 and preceding 72667982. In scientific notation, it is written as 7.2667981 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 72298912 positive integers (up to 72667981) that are relatively prime to 72667981.

Interesting facts

Basic properties

Name

Name seventy-two million six hundred sixty-seven thousand nine hundred eighty-one

Notation

Scientific notation 7.2667981 × 10^7
Engineering notation 7.2667981 × 10^6

Prime Factorization of 72667981

Prime Factorization 197 × 368873

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 72667981
Product of the distinct prime numbers

The prime factorization of 72667981 is 197 × 368873. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72667981)

Multiplication

n×y
n×2 145335962
n×3 218003943
n×4 290671924
n×5 363339905

Division

n÷y
n÷2 36333990.5
n÷3 24222660.333333
n÷3 18166995.25
n÷5 14533596.2

Exponentiation

ny
n2 5280635462616361
n3 3.8373311746533E+23
n4 2.7885110889042E+31
n5 2.0263547082678E+39

Nth Root

y√n
2√n 8524.5516597649
3√n 417.29934014978
4√n 92.32849863268
5√n 37.348109100907

Divisors of 72667981

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72667980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72667981 can be divided by 4 positive divisors. The sum of these divisors (counting 72667981) is 1, the average is 0.25.

Base conversion 72667981

Base System Value
2 Binary 100010101001101001101001101
3 Ternary 12001201220201201
4 Quaternary 10111031031031
5 Quinary 122100333411
6 Senary 11113305501
8 Octal 425151515
10 Decimal 72667981
12 Duodecimal 20405291
16 Hexadecimal 454d34d
20 Vigesimal 12e39j1
36 Base36 179iz1

Cryptographic Hash Functions

md5 6973978e2432dd8facff45084ee92348
sha1 d12ba64ba47d19c3c7734f4e19f7ad0ac602cf3c
sha256 65676939a96b65e94c5ed191057d7b8133fdd376d3068ddc99f9924458a62dfa
sha512 f1af01d75b16da57dd48b0f0ae39d4741727ef8c4fc838ce6f22414ebe33f139d8f3c188f2daa1256f69df7c61dbc5f545b52770cb0c0813ce21e7a1e260cbce
ripemd-160 f3de2f4d6927e2e4f3b54a63592aeee122b0e2ac

72667981 as geometric shapes

Circle

Radius = n
Diameter 145335962
Circumference 456586390.52161
Area 1.6589605575641E+16

Sphere

Radius = n
Volume 1.6073775236909E+24
Surface area 6.6358422302565E+16
Circumference 456586390.52161

Square

Length = n
Perimeter 290671924
Area 5280635462616361
Diagonal 102768044.28047

Cube

Length = n
Surface area 31683812775698166
Volume 3.8373311746533E+23
Space diagonal 125864635.17545

Equilateral Triangle

Length = n
Perimeter 218003943
Area 2.2865822293754E+15
Altitude 62932317.587725

Triangular Pyramid

Length = n
Surface area 2.2865822293754E+15
Volume 4.5223381587598E+22
Height 34256014.760157