72161791 (number)

72161791 is an odd 8-digits composite number following 72161790 and preceding 72161792. In scientific notation, it is written as 7.2161791 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 62868960 positive integers (up to 72161791) that are relatively prime to 72161791.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred sixty-one thousand seven hundred ninety-one

Notation

Scientific notation 7.2161791 × 10^7
Engineering notation 7.2161791 × 10^6

Prime Factorization of 72161791

Prime Factorization 19 × 13 × 631 × 463

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 72161791
Product of the distinct prime numbers

The prime factorization of 72161791 is 19 × 13 × 631 × 463. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 4, 44, 23, 972, 851, 6155, 8573, 80026, 75756, 40308, 4446, 5109520, 367395, 53487216, 58764623, 534693343, 683880689, 5823593575, 6360333245

Basic calculations (n = 72161791)

Multiplication

n×y
n×2 144323582
n×3 216485373
n×4 288647164
n×5 360808955

Division

n÷y
n÷2 36080895.5
n÷3 24053930.333333
n÷3 18040447.75
n÷5 14432358.2

Exponentiation

ny
n2 5207324080327681
n3 3.7576983195387E+23
n4 2.7116224077561E+31
n5 1.9567552945941E+39

Nth Root

y√n
2√n 8494.8096506043
3√n 416.32814153403
4√n 92.167291652757
5√n 37.295931687131

Divisors of 72161791

1, 13, 19, 247, 463, 631, 6019, 8203, 8797, 11989, 114361, 155857, 292153, 3797989, 5550907, 72161791

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 -72161790
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 72161791 can be divided by 16 positive divisors. The sum of these divisors (counting 72161791) is 1, the average is 0.0625.

Base conversion 72161791

Base System Value
2 Binary 100010011010001100111111111
3 Ternary 12000210012100221
4 Quaternary 10103101213333
5 Quinary 121433134131
6 Senary 11054402211
8 Octal 423214777
10 Decimal 72161791
12 Duodecimal 20200367
16 Hexadecimal 44d19ff
20 Vigesimal 12b049b
36 Base36 16yoe7

Cryptographic Hash Functions

md5 799c1bfd621ce71d413a4d7b88fae560
sha1 75ee45f7e521cd082027e9962b6a4650b244532b
sha256 7210088356745bfa2164a32b5b12a28ab064deb47dcfea149f595a34d7c31fd7
sha512 19348ce98dffac7a1dd09bff405d6974282dac85ca619491d6d37517e4277f352cbe90e3fb82270dc74147a6a9396cb0ca5a40f485161ed54bcf66f72f90aa77
ripemd-160 034ee281aafc1e1613c48175b46a56a72abdd5d3

72161791 as geometric shapes

Circle

Radius = n
Diameter 144323582
Circumference 453405904.95096
Area 1.6359291075619E+16

Sphere

Radius = n
Volume 1.5740209913426E+24
Surface area 6.5437164302475E+16
Circumference 453405904.95096

Square

Length = n
Perimeter 288647164
Area 5207324080327681
Diagonal 102052183.51733

Cube

Length = n
Surface area 31243944481966086
Volume 3.7576983195387E+23
Space diagonal 124987888.37717

Equilateral Triangle

Length = n
Perimeter 216485373
Area 2.2548374696511E+15
Altitude 62493944.188583

Triangular Pyramid

Length = n
Surface area 2.2548374696511E+15
Volume 4.4284899389986E+22
Height 34017394.505778