72019945 (number)

72019945 is an odd 8-digits composite number following 72019944 and preceding 72019946. In scientific notation, it is written as 7.2019945 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 56058624 positive integers (up to 72019945) that are relatively prime to 72019945.

Interesting facts

Basic properties

Name

Name seventy-two million nineteen thousand nine hundred forty-five

Notation

Scientific notation 7.2019945 × 10^7
Engineering notation 7.2019945 × 10^6

Prime Factorization of 72019945

Prime Factorization 5 × 37 × 389297

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 72019945
Product of the distinct prime numbers

The prime factorization of 72019945 is 5 × 37 × 389297. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72019945)

Multiplication

n×y
n×2 144039890
n×3 216059835
n×4 288079780
n×5 360099725

Division

n÷y
n÷2 36009972.5
n÷3 24006648.333333
n÷3 18004986.25
n÷5 14403989

Exponentiation

ny
n2 5186872477803025
n3 3.7355827057339E+23
n4 2.690364610099E+31
n5 1.9375991124928E+39

Nth Root

y√n
2√n 8486.4565632542
3√n 416.05517520445
4√n 92.121965693607
5√n 37.281257873928

Divisors of 72019945

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72019944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72019945 can be divided by 8 positive divisors. The sum of these divisors (counting 72019945) is 1, the average is 0.125.

Base conversion 72019945

Base System Value
2 Binary 100010010101110111111101001
3 Ternary 12000111222210101
4 Quaternary 10102232333221
5 Quinary 121414114240
6 Senary 11051345401
8 Octal 422567751
10 Decimal 72019945
12 Duodecimal 20152261
16 Hexadecimal 44aefe9
20 Vigesimal 12a29h5
36 Base36 16vmy1

Cryptographic Hash Functions

md5 87813c181816bb16e48310b9d06e6f18
sha1 8499e58f1d04890c423ca41a2bc4727ac5ba36e9
sha256 8d83e1867cd740b0a3844e3a17e165a1828a2f5f385c86425f376a14fcf5ebcc
sha512 6c8baad42a5f7a1b1ac5944eaa340f0d84cf7767c5c04779ddb1e95d1a5b32b93f8bbb1920850ae9eb3e908f6c83b763414d22ae065e7ae0b468d45fe1fd83d9
ripemd-160 f91d6a816a83fe0636c9f64c557c83ec636ce807

72019945 as geometric shapes

Circle

Radius = n
Diameter 144039890
Circumference 452514660.24788
Area 1.6295040471373E+16

Sphere

Radius = n
Volume 1.5647572246948E+24
Surface area 6.5180161885492E+16
Circumference 452514660.24788

Square

Length = n
Perimeter 288079780
Area 5186872477803025
Diagonal 101851582.98036

Cube

Length = n
Surface area 31121234866818150
Volume 3.7355827057339E+23
Space diagonal 124742203.89832

Equilateral Triangle

Length = n
Perimeter 216059835
Area 2.2459816659839E+15
Altitude 62371101.949158

Triangular Pyramid

Length = n
Surface area 2.2459816659839E+15
Volume 4.4024264381794E+22
Height 33950527.660121