72804981 (number)

72804981 is an odd 8-digits composite number following 72804980 and preceding 72804982. In scientific notation, it is written as 7.2804981 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 48536652 positive integers (up to 72804981) that are relatively prime to 72804981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.2804981 × 10^7
Engineering notation 7.2804981 × 10^6

Prime Factorization of 72804981

Prime Factorization 3 × 24268327

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 72804981
Product of the distinct prime numbers

The prime factorization of 72804981 is 3 × 24268327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72804981)

Multiplication

n×y
n×2 145609962
n×3 218414943
n×4 291219924
n×5 364024905

Division

n÷y
n÷2 36402490.5
n÷3 24268327
n÷3 18201245.25
n÷5 14560996.2

Exponentiation

ny
n2 5300565258410361
n3 3.8590755292783E+23
n4 2.8095992058667E+31
n5 2.0455281680074E+39

Nth Root

y√n
2√n 8532.5834891901
3√n 417.5614185283
4√n 92.371984330695
5√n 37.362180874096

Divisors of 72804981

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 -72804980
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 72804981 can be divided by 4 positive divisors. The sum of these divisors (counting 72804981) is 1, the average is 0.25.

Base conversion 72804981

Base System Value
2 Binary 100010101101110101001110101
3 Ternary 12001222212122210
4 Quaternary 10111232221311
5 Quinary 122114224411
6 Senary 11120244033
8 Octal 425565165
10 Decimal 72804981
12 Duodecimal 20470619
16 Hexadecimal 456ea75
20 Vigesimal 12f0c91
36 Base36 17cgol

Cryptographic Hash Functions

md5 b42779e9470669bcab4f913ebc540f8f
sha1 995b7674b61844024e8b6a76a6d4a43c879f8c90
sha256 a9254fd1a92d9c2fca329368874b5958b472b82de56f823074c2e54e63d04976
sha512 0981e146e179893eb23d5684812fd7225f4d443e29f09cfaed1f00e50857d13c223a81554e7a6da3b61eef1af4033eb2462f3b862654f9c5a287de9d01ab97c9
ripemd-160 3873eeb9d29ece0fd21b205b366e30fff4d4e08f

72804981 as geometric shapes

Circle

Radius = n
Diameter 145609962
Circumference 457447186.90869
Area 1.6652216875695E+16

Sphere

Radius = n
Volume 1.6164857776572E+24
Surface area 6.6608867502781E+16
Circumference 457447186.90869

Square

Length = n
Perimeter 291219924
Area 5300565258410361
Diagonal 102961791.53852

Cube

Length = n
Surface area 31803391550462166
Volume 3.8590755292783E+23
Space diagonal 126101926.13609

Equilateral Triangle

Length = n
Perimeter 218414943
Area 2.2952120841003E+15
Altitude 63050963.068043

Triangular Pyramid

Length = n
Surface area 2.2952120841003E+15
Volume 4.5479641264395E+22
Height 34320597.179505