72161839 (number)

72161839 is an odd 8-digits composite number following 72161838 and preceding 72161840. In scientific notation, it is written as 7.2161839 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 71248320 positive integers (up to 72161839) that are relatively prime to 72161839.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred sixty-one thousand eight hundred thirty-nine

Notation

Scientific notation 7.2161839 × 10^7
Engineering notation 7.2161839 × 10^6

Prime Factorization of 72161839

Prime Factorization 79 × 913441

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 72161839
Product of the distinct prime numbers

The prime factorization of 72161839 is 79 × 913441. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72161839)

Multiplication

n×y
n×2 144323678
n×3 216485517
n×4 288647356
n×5 360809195

Division

n÷y
n÷2 36080919.5
n÷3 24053946.333333
n÷3 18040459.75
n÷5 14432367.8

Exponentiation

ny
n2 5207331007861921
n3 3.7577058180904E+23
n4 2.711629622544E+31
n5 1.9567618024965E+39

Nth Root

y√n
2√n 8494.8124758584
3√n 416.32823384394
4√n 92.167306979527
5√n 37.295936648771

Divisors of 72161839

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 -72161838
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 72161839 can be divided by 4 positive divisors. The sum of these divisors (counting 72161839) is 1, the average is 0.25.

Base conversion 72161839

Base System Value
2 Binary 100010011010001101000101111
3 Ternary 12000210012102201
4 Quaternary 10103101220233
5 Quinary 121433134324
6 Senary 11054402331
8 Octal 423215057
10 Decimal 72161839
12 Duodecimal 202003a7
16 Hexadecimal 44d1a2f
20 Vigesimal 12b04bj
36 Base36 16yofj

Cryptographic Hash Functions

md5 b17a346483690bd89b3531aa62d177df
sha1 f52da460550bc862cea4f4dfc5a58398430847aa
sha256 565675c947cd53971bd4e9db8b6f8c11cbead31f13fac5d800ee66e6f809df8b
sha512 ff7e1671617058871cc43dca394716b585289717414d9af0fd0ebb41065d1ff5201ec159522ac43b2992b343c625bc73b9fe500d9704a9506b91730e474fa735
ripemd-160 aef350442ae1b48f1a042ddc388997604bcd2882

72161839 as geometric shapes

Circle

Radius = n
Diameter 144323678
Circumference 453406206.54386
Area 1.6359312839109E+16

Sphere

Radius = n
Volume 1.5740241323286E+24
Surface area 6.5437251356437E+16
Circumference 453406206.54386

Square

Length = n
Perimeter 288647356
Area 5207331007861921
Diagonal 102052251.39958

Cube

Length = n
Surface area 31243986047171526
Volume 3.7577058180904E+23
Space diagonal 124987971.51561

Equilateral Triangle

Length = n
Perimeter 216485517
Area 2.2548404693614E+15
Altitude 62493985.757803

Triangular Pyramid

Length = n
Surface area 2.2548404693614E+15
Volume 4.4284987761264E+22
Height 34017417.133195