72161855 (number)

72161855 is an odd 8-digits composite number following 72161854 and preceding 72161856. In scientific notation, it is written as 7.2161855 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors. There are 54332544 positive integers (up to 72161855) that are relatively prime to 72161855.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred sixty-one thousand eight hundred fifty-five

Notation

Scientific notation 7.2161855 × 10^7
Engineering notation 7.2161855 × 10^6

Prime Factorization of 72161855

Prime Factorization 5 × 17 × 17 × 49939

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 4244815
Product of the distinct prime numbers

The prime factorization of 72161855 is 5 × 17 × 17 × 49939. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 8, 76, 53, 927, 6, 9345, 1378, 18118, 97222, 534695, 909744, 5400839, 4423015, 88704747, 53730420, 568018322, 392718226, 9551799065, 447478854

Basic calculations (n = 72161855)

Multiplication

n×y
n×2 144323710
n×3 216485565
n×4 288647420
n×5 360809275

Division

n÷y
n÷2 36080927.5
n÷3 24053951.666667
n÷3 18040463.75
n÷5 14432371

Exponentiation

ny
n2 5207333317041025
n3 3.7577083176098E+23
n4 2.7116320274765E+31
n5 1.9567639718012E+39

Nth Root

y√n
2√n 8494.8134176096
3√n 416.3282646139
4√n 92.167312088449
5√n 37.295938302651

Divisors of 72161855

1, 5, 17, 85, 289, 1445, 49939, 249695, 848963, 4244815, 14432371, 72161855

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72161854
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72161855 can be divided by 12 positive divisors. The sum of these divisors (counting 72161855) is 1, the average is 0.083333333333333.

Base conversion 72161855

Base System Value
2 Binary 100010011010001101000111111
3 Ternary 12000210012110022
4 Quaternary 10103101220333
5 Quinary 121433134410
6 Senary 11054402355
8 Octal 423215077
10 Decimal 72161855
12 Duodecimal 202003bb
16 Hexadecimal 44d1a3f
20 Vigesimal 12b04cf
36 Base36 16yofz

Cryptographic Hash Functions

md5 973871533ef440780d4d272addaef9d8
sha1 843cdd40b2a9a8947913236e45b6ca6c044fed87
sha256 31a0f1fbd5a1ecd65c265fac050d64b66b601a8c8c31efd3b0531600bf29b800
sha512 f8daf77de807168bb8f53637a6b69f4b29aa611f02c50b5bb0e97cdde1c81b4af9f7b700f92cdfdd2184d7d6972e62a6e6e300603b7b935419f4d9ee1ed2b15d
ripemd-160 0ed11ddfa78798a1d4c716c847a0d7c2b0b1f64b

72161855 as geometric shapes

Circle

Radius = n
Diameter 144323710
Circumference 453406307.07482
Area 1.6359320093609E+16

Sphere

Radius = n
Volume 1.5740251793248E+24
Surface area 6.5437280374438E+16
Circumference 453406307.07482

Square

Length = n
Perimeter 288647420
Area 5207333317041025
Diagonal 102052274.027

Cube

Length = n
Surface area 31243999902246150
Volume 3.7577083176098E+23
Space diagonal 124987999.22842

Equilateral Triangle

Length = n
Perimeter 216485565
Area 2.2548414692653E+15
Altitude 62493999.614209

Triangular Pyramid

Length = n
Surface area 2.2548414692653E+15
Volume 4.4285017218383E+22
Height 34017424.675667