72087989 (number)

72087989 is an odd 8-digits composite number following 72087988 and preceding 72087990. In scientific notation, it is written as 7.2087989 × 10^7. The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors. There are 68276880 positive integers (up to 72087989) that are relatively prime to 72087989.

Interesting facts

Basic properties

Name

Name seventy-two million eighty-seven thousand nine hundred eighty-nine

Notation

Scientific notation 7.2087989 × 10^7
Engineering notation 7.2087989 × 10^6

Prime Factorization of 72087989

Prime Factorization 31 × 47 × 49477

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 72087989
Product of the distinct prime numbers

The prime factorization of 72087989 is 31 × 47 × 49477. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 8, 6, 13, 723, 73, 235, 5548, 74249, 8152, 799109, 993503, 8158189, 7801878, 86561325, 73007727, 22030049, 179733133, 2950100395, 6933812289

Basic calculations (n = 72087989)

Multiplication

n×y
n×2 144175978
n×3 216263967
n×4 288351956
n×5 360439945

Division

n÷y
n÷2 36043994.5
n÷3 24029329.666667
n÷3 18021997.25
n÷5 14417597.8

Exponentiation

ny
n2 5196678158064121
n3 3.7461807789507E+23
n4 2.7005463878501E+31
n5 1.9467695830133E+39

Nth Root

y√n
2√n 8490.4645927063
3√n 416.18616274915
4√n 92.14371705497
5√n 37.288299833667

Divisors of 72087989

1, 31, 47, 1457, 49477, 1533787, 2325419, 72087989

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 -72087988
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 72087989 can be divided by 8 positive divisors. The sum of these divisors (counting 72087989) is 1, the average is 0.125.

Base conversion 72087989

Base System Value
2 Binary 100010010111111100110110101
3 Ternary 12000122110010112
4 Quaternary 10102333212311
5 Quinary 121423303424
6 Senary 11053032405
8 Octal 422774665
10 Decimal 72087989
12 Duodecimal 20185705
16 Hexadecimal 44bf9b5
20 Vigesimal 12aajj9
36 Base36 16x3g5

Cryptographic Hash Functions

md5 6c9dd9bcf9ab3678ac507726ade9e8da
sha1 d2d4e971b648a0d90698e734d9da1b7f78b7ac2b
sha256 2ece5868f37dd7646f8c45be51da024fe19f6f6a7ecf8ddc37235066a9499414
sha512 19f2486532a802e9ab062c91be468a4ff9a66190947a3a263081e14c9e0a3852e8095ce330c9b632661b536511381bb357e732a9ea7cd96f13f339e8b710ceb8
ripemd-160 65135c292ed07d2a26e3bbd5fa132f3ff9997612

72087989 as geometric shapes

Circle

Radius = n
Diameter 144175978
Circumference 452942193.30892
Area 1.6325845924445E+16

Sphere

Radius = n
Volume 1.5691965352228E+24
Surface area 6.5303383697779E+16
Circumference 452942193.30892

Square

Length = n
Perimeter 288351956
Area 5196678158064121
Diagonal 101947811.728

Cube

Length = n
Surface area 31180068948384726
Volume 3.7461807789507E+23
Space diagonal 124860059.56347

Equilateral Triangle

Length = n
Perimeter 216263967
Area 2.2502276500876E+15
Altitude 62430029.781733

Triangular Pyramid

Length = n
Surface area 2.2502276500876E+15
Volume 4.4149163872445E+22
Height 33982603.909334