72639812 (number)

72639812 is an even 8-digits composite number following 72639811 and preceding 72639813. In scientific notation, it is written as 7.2639812 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors. There are 29492640 positive integers (up to 72639812) that are relatively prime to 72639812.

Interesting facts

Basic properties

Name

Name seventy-two million six hundred thirty-nine thousand eight hundred twelve

Notation

Scientific notation 7.2639812 × 10^7
Engineering notation 7.2639812 × 10^6

Prime Factorization of 72639812

Prime Factorization 2 × 2 × 7 × 19 × 136541

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 36319906
Product of the distinct prime numbers

The prime factorization of 72639812 is 2 × 2 × 7 × 19 × 136541. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 6, 25, 1, 11, 396, 2523, 5809, 67683, 65120, 267145, 144299, 8815052, 9073809, 18014529, 26384479, 187810533, 253697595, 2358636907, 7077172334

Basic calculations (n = 72639812)

Multiplication

n×y
n×2 145279624
n×3 217919436
n×4 290559248
n×5 363199060

Division

n÷y
n÷2 36319906
n÷3 24213270.666667
n÷3 18159953
n÷5 14527962.4

Exponentiation

ny
n2 5276542287395344
n3 3.8328703976645E+23
n4 2.7841898510671E+31
n5 2.0224302735382E+39

Nth Root

y√n
2√n 8522.8992719614
3√n 417.24541257321
4√n 92.319549782055
5√n 37.345213129293

Divisors of 72639812

1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 136541, 273082, 546164, 955787, 1911574, 2594279, 3823148, 5188558, 10377116, 18159953, 36319906, 72639812

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72639811
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72639812 can be divided by 24 positive divisors. The sum of these divisors (counting 72639812) is 1, the average is 0.041666666666667.

Base conversion 72639812

Base System Value
2 Binary 100010101000110010101000100
3 Ternary 12001200111002102
4 Quaternary 10111012111010
5 Quinary 122043433222
6 Senary 11112531232
8 Octal 425062504
10 Decimal 72639812
12 Duodecimal 203b0b18
16 Hexadecimal 4546544
20 Vigesimal 12djjac
36 Base36 178x8k

Cryptographic Hash Functions

md5 ec248ae157fb17106a036253ce3befb4
sha1 2ef5568960b697378672ce59bab415ab3b566dff
sha256 ded0524637039449ab17bc144dfad3f48841df2813a99e67ba08faee696379cc
sha512 be8efa7854b4e63eafc4defde8684ba2bba3bad5a7905d8086ae9272cd1152b37fcabe3011a56143040f36711b50c0c6c8cc3609e39c31edc1812274922e198c
ripemd-160 f4d3940d706112b28912a421b223cca34c6d4659

72639812 as geometric shapes

Circle

Radius = n
Diameter 145279624
Circumference 456409399.47469
Area 1.6576746486437E+16

Sphere

Radius = n
Volume 1.6055089977953E+24
Surface area 6.6306985945748E+16
Circumference 456409399.47469

Square

Length = n
Perimeter 290559248
Area 5276542287395344
Diagonal 102728207.29863

Cube

Length = n
Surface area 31659253724372064
Volume 3.8328703976645E+23
Space diagonal 125815845.03625

Equilateral Triangle

Length = n
Perimeter 217919436
Area 2.2848098325136E+15
Altitude 62907922.518126

Triangular Pyramid

Length = n
Surface area 2.2848098325136E+15
Volume 4.5170810826629E+22
Height 34242735.766211