72487905 (number)

72487905 is an odd 8-digits composite number following 72487904 and preceding 72487906. In scientific notation, it is written as 7.2487905 × 10^7. The sum of its digits is 42. It has a total of 6 prime factors and 64 positive divisors. There are 32514048 positive integers (up to 72487905) that are relatively prime to 72487905.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.2487905 × 10^7
Engineering notation 7.2487905 × 10^6

Prime Factorization of 72487905

Prime Factorization 3 × 5 × 49 × 7 × 73 × 193

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 72487905
Product of the distinct prime numbers

The prime factorization of 72487905 is 3 × 5 × 49 × 7 × 73 × 193. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 2, 34, 25, 888, 119, 9704, 309, 65722, 69080, 287233, 475687, 2055204, 3635355, 76148003, 876734, 497498428, 386324105, 2080863657, 7926981157

Basic calculations (n = 72487905)

Multiplication

n×y
n×2 144975810
n×3 217463715
n×4 289951620
n×5 362439525

Division

n÷y
n÷2 36243952.5
n÷3 24162635
n÷3 18121976.25
n÷5 14497581

Exponentiation

ny
n2 5254496371289025
n3 3.8088743378484E+23
n4 2.760973211589E+31
n5 2.001371638692E+39

Nth Root

y√n
2√n 8513.9829104832
3√n 416.95435669474
4√n 92.271246390645
5√n 37.329580515359

Divisors of 72487905

1, 3, 5, 7, 15, 21, 35, 49, 73, 105, 147, 193, 219, 245, 343, 365, 511, 579, 735, 965, 1029, 1095, 1351, 1533, 1715, 2555, 2895, 3577, 4053, 5145, 6755, 7665, 9457, 10731, 14089, 17885, 20265, 25039, 28371, 42267, 47285, 53655, 66199, 70445, 75117, 98623, 125195, 141855, 198597, 211335, 295869, 330995, 375585, 493115, 690361, 992985, 1479345, 2071083, 3451805, 4832527, 10355415, 14497581, 24162635, 72487905

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72487904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72487905 can be divided by 64 positive divisors. The sum of these divisors (counting 72487905) is 1, the average is 0.015625.

Base conversion 72487905

Base System Value
2 Binary 100010100100001001111100001
3 Ternary 12001101202201020
4 Quaternary 10110201033201
5 Quinary 122024103110
6 Senary 11105400053
8 Octal 424411741
10 Decimal 72487905
12 Duodecimal 20339029
16 Hexadecimal 45213e1
20 Vigesimal 12d0jf5
36 Base36 175o0x

Cryptographic Hash Functions

md5 5a43e3258ff64e87495fcc7b332861ca
sha1 748d28a7562b24892437d44db934a6c2144f7a9e
sha256 8bf9346573815ed66121ee795ece9f01352d044bc693209c186ae44a5d1d7e0d
sha512 a4e742a88a624725f6d95abfc1d9e240f5450a8774dcb9ea3550de35777351d4c7cd3a66f07cf43c18ec297606fb52630aa9ce6dfb3b3ebad547c3f6987347d1
ripemd-160 62111086996d19463791dbfe94cdd6545eff527b

72487905 as geometric shapes

Circle

Radius = n
Diameter 144975810
Circumference 455454939.64423
Area 1.6507487198356E+16

Sphere

Radius = n
Volume 1.5954575517642E+24
Surface area 6.6029948793423E+16
Circumference 455454939.64423

Square

Length = n
Perimeter 289951620
Area 5254496371289025
Diagonal 102513378.35901

Cube

Length = n
Surface area 31526978227734150
Volume 3.8088743378484E+23
Space diagonal 125552734.39423

Equilateral Triangle

Length = n
Perimeter 217463715
Area 2.2752636708147E+15
Altitude 62776367.197113

Triangular Pyramid

Length = n
Surface area 2.2752636708147E+15
Volume 4.4888014549668E+22
Height 34171126.119671