72187890 (number)

72187890 is an even 8-digits composite number following 72187889 and preceding 72187891. In scientific notation, it is written as 7.2187890 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 19250096 positive integers (up to 72187890) that are relatively prime to 72187890.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred eighty-seven thousand eight hundred ninety

Notation

Scientific notation 7.2187890 × 10^7
Engineering notation 7.2187890 × 10^6

Prime Factorization of 72187890

Prime Factorization 2 × 3 × 5 × 2406263

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 72187890
Product of the distinct prime numbers

The prime factorization of 72187890 is 2 × 3 × 5 × 2406263. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 7, 3, 81, 567, 763, 1783, 7592, 12424, 73711, 772012, 177622, 3717920, 8028172, 87697056, 57036460, 741862082, 52917913, 7150103716, 9783656350

Basic calculations (n = 72187890)

Multiplication

n×y
n×2 144375780
n×3 216563670
n×4 288751560
n×5 360939450

Division

n÷y
n÷2 36093945
n÷3 24062630
n÷3 18046972.5
n÷5 14437578

Exponentiation

ny
n2 5211091462652100
n3 3.7617769728587E+23
n4 2.7155474232126E+31
n5 1.9602963867665E+39

Nth Root

y√n
2√n 8496.3456850578
3√n 416.3783270885
4√n 92.175624137067
5√n 37.298629086181

Divisors of 72187890

1, 2, 3, 5, 6, 10, 15, 30, 2406263, 4812526, 7218789, 12031315, 14437578, 24062630, 36093945, 72187890

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 -72187889
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 72187890 can be divided by 16 positive divisors. The sum of these divisors (counting 72187890) is 1, the average is 0.0625.

Base conversion 72187890

Base System Value
2 Binary 100010011010111111111110010
3 Ternary 12000211112011120
4 Quaternary 10103113333302
5 Quinary 121440003030
6 Senary 11055123110
8 Octal 423277762
10 Decimal 72187890
12 Duodecimal 20213496
16 Hexadecimal 44d7ff2
20 Vigesimal 12b39ea
36 Base36 16z8j6

Cryptographic Hash Functions

md5 3200cca2a14838f738edfe5c1692fa02
sha1 e68fa694c6b8d18ec5de51bfa7b42bd3884c8a6a
sha256 8ffda361dfab58015445b11f1fc477c1525efcc08a6efbda17c100a9144b3fd2
sha512 e377cad790462b1e4571a109beb82b3e48be589f4609186cf0fddc011c7f0823f58edfc121c976a425d87dc9e04cb9ca7bfc68cd53a9740c5130abd1a7554330
ripemd-160 aa8abe14da45ff5b52c50e13880a842d4b1f088a

72187890 as geometric shapes

Circle

Radius = n
Diameter 144375780
Circumference 453569889.8043
Area 1.6371126656252E+16

Sphere

Radius = n
Volume 1.5757294536501E+24
Surface area 6.5484506625009E+16
Circumference 453569889.8043

Square

Length = n
Perimeter 288751560
Area 5211091462652100
Diagonal 102089093.0771

Cube

Length = n
Surface area 31266548775912600
Volume 3.7617769728587E+23
Space diagonal 125033093.17119

Equilateral Triangle

Length = n
Perimeter 216563670
Area 2.2564687940505E+15
Altitude 62516546.585597

Triangular Pyramid

Length = n
Surface area 2.2564687940505E+15
Volume 4.433296678033E+22
Height 34029697.692366