72128545 (number)

72128545 is an odd 8-digits composite number following 72128544 and preceding 72128546. In scientific notation, it is written as 7.2128545 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 56548800 positive integers (up to 72128545) that are relatively prime to 72128545.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred twenty-eight thousand five hundred forty-five

Notation

Scientific notation 7.2128545 × 10^7
Engineering notation 7.2128545 × 10^6

Prime Factorization of 72128545

Prime Factorization 71 × 5 × 199 × 1021

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 72128545
Product of the distinct prime numbers

The prime factorization of 72128545 is 71 × 5 × 199 × 1021. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 3, 14, 99, 197, 36, 9072, 9131, 39325, 90397, 209450, 453073, 5801003, 8023744, 26267218, 28769180, 981897968, 503841568, 7512540821, 20357401

Basic calculations (n = 72128545)

Multiplication

n×y
n×2 144257090
n×3 216385635
n×4 288514180
n×5 360642725

Division

n÷y
n÷2 36064272.5
n÷3 24042848.333333
n÷3 18032136.25
n÷5 14425709

Exponentiation

ny
n2 5202527003817025
n3 3.7525070310853E+23
n4 2.7066287225445E+31
n5 1.9522519161235E+39

Nth Root

y√n
2√n 8492.8525832019
3√n 416.26419554374
4√n 92.156674111005
5√n 37.292494496633

Divisors of 72128545

1, 5, 71, 199, 355, 995, 1021, 5105, 14129, 70645, 72491, 203179, 362455, 1015895, 14425709, 72128545

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 -72128544
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 72128545 can be divided by 16 positive divisors. The sum of these divisors (counting 72128545) is 1, the average is 0.0625.

Base conversion 72128545

Base System Value
2 Binary 100010011001001100000100001
3 Ternary 12000201111202121
4 Quaternary 10103021200201
5 Quinary 121431103140
6 Senary 11053544241
8 Octal 423114041
10 Decimal 72128545
12 Duodecimal 201a5081
16 Hexadecimal 44c9821
20 Vigesimal 12ag175
36 Base36 16xyqp

Cryptographic Hash Functions

md5 c789c9105c1b4f4988d5883aa7fef7c8
sha1 01edf0d47b3c3ec5f1d082f651242ef2555e8dd7
sha256 b0fd21a71fe1a4619d0d871e625e4a4c0983888ff72659260062d11e0787d836
sha512 ba25a8e9bec0e8a6637eb3deb6493224fd58507570460fd79384dc94a9806e6a7edad620605330b4871a89070eacf90a29c88dc7ffe79a0c025156f4e61e7760
ripemd-160 71323f231c5a2d68d03474a1adf6067235866751

72128545 as geometric shapes

Circle

Radius = n
Diameter 144257090
Circumference 453197014.17224
Area 1.6344220615294E+16

Sphere

Radius = n
Volume 1.5718464695202E+24
Surface area 6.5376882461176E+16
Circumference 453197014.17224

Square

Length = n
Perimeter 288514180
Area 5202527003817025
Diagonal 102005166.57324

Cube

Length = n
Surface area 31215162022902150
Volume 3.7525070310853E+23
Space diagonal 124930304.61602

Equilateral Triangle

Length = n
Perimeter 216385635
Area 2.25276027459E+15
Altitude 62465152.308009

Triangular Pyramid

Length = n
Surface area 2.25276027459E+15
Volume 4.4223719468844E+22
Height 34001722.191079