72161729 (number)

72161729 is an odd 8-digits composite number following 72161728 and preceding 72161730. In scientific notation, it is written as 7.2161729 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 70211376 positive integers (up to 72161729) that are relatively prime to 72161729.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred sixty-one thousand seven hundred twenty-nine

Notation

Scientific notation 7.2161729 × 10^7
Engineering notation 7.2161729 × 10^6

Prime Factorization of 72161729

Prime Factorization 37 × 1950317

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 72161729
Product of the distinct prime numbers

The prime factorization of 72161729 is 37 × 1950317. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72161729)

Multiplication

n×y
n×2 144323458
n×3 216485187
n×4 288646916
n×5 360808645

Division

n÷y
n÷2 36080864.5
n÷3 24053909.666667
n÷3 18040432.25
n÷5 14432345.8

Exponentiation

ny
n2 5207315132269441
n3 3.7576886339243E+23
n4 2.7116130886762E+31
n5 1.9567468885791E+39

Nth Root

y√n
2√n 8494.8060013163
3√n 416.32802230033
4√n 92.167271855666
5√n 37.295925278341

Divisors of 72161729

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 -72161728
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 72161729 can be divided by 4 positive divisors. The sum of these divisors (counting 72161729) is 1, the average is 0.25.

Base conversion 72161729

Base System Value
2 Binary 100010011010001100111000001
3 Ternary 12000210012021122
4 Quaternary 10103101213001
5 Quinary 121433133404
6 Senary 11054402025
8 Octal 423214701
10 Decimal 72161729
12 Duodecimal 20200315
16 Hexadecimal 44d19c1
20 Vigesimal 12b0469
36 Base36 16yoch

Cryptographic Hash Functions

md5 2369f22e0d677cf8c1badf3fa286c57b
sha1 82a564a1c4748c175f61874e23487de773cda65d
sha256 295c611f6f3b433e054dea5c0a1cfbca099b5b103517caa6abc5f9de2b3f7093
sha512 9d356941467ea2b51105797a784ee8eb50a516e304203e3ab9cddbfa21cbf80c4719959f7ba7c350422a96107a7b8d1040cd2c1c261b709d6b94ef43d9498984
ripemd-160 d20969dd6895461f924266d2a0e1212267ddeede

72161729 as geometric shapes

Circle

Radius = n
Diameter 144323458
Circumference 453405515.39348
Area 1.6359262964465E+16

Sphere

Radius = n
Volume 1.5740169342419E+24
Surface area 6.5437051857859E+16
Circumference 453405515.39348

Square

Length = n
Perimeter 288646916
Area 5207315132269441
Diagonal 102052095.83609

Cube

Length = n
Surface area 31243890793616646
Volume 3.7576886339243E+23
Space diagonal 124987780.99002

Equilateral Triangle

Length = n
Perimeter 216485187
Area 2.2548335950282E+15
Altitude 62493890.495008

Triangular Pyramid

Length = n
Surface area 2.2548335950282E+15
Volume 4.4284785243924E+22
Height 34017365.278697