72645538 (number)

72645538 is an even 8-digits composite number following 72645537 and preceding 72645539. In scientific notation, it is written as 7.2645538 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 30780288 positive integers (up to 72645538) that are relatively prime to 72645538.

Interesting facts

Basic properties

Name

Name seventy-two million six hundred forty-five thousand five hundred thirty-eight

Notation

Scientific notation 7.2645538 × 10^7
Engineering notation 7.2645538 × 10^6

Prime Factorization of 72645538

Prime Factorization 2 × 49 × 89 × 8329

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 72645538
Product of the distinct prime numbers

The prime factorization of 72645538 is 2 × 49 × 89 × 8329. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 10, 26, 51, 857, 979, 5603, 2064, 19524, 42628, 702552, 707099, 488163, 9035682, 49226446, 24009413, 496419513, 546597480, 207023314, 904778826

Basic calculations (n = 72645538)

Multiplication

n×y
n×2 145291076
n×3 217936614
n×4 290582152
n×5 363227690

Division

n÷y
n÷2 36322769
n÷3 24215179.333333
n÷3 18161384.5
n÷5 14529107.6

Exponentiation

ny
n2 5277374191309444
n3 3.8337768735499E+23
n4 2.7850678355099E+31
n5 2.0232275127711E+39

Nth Root

y√n
2√n 8523.2351838958
3√n 417.25637572777
4√n 92.32136905341
5√n 37.345801875168

Divisors of 72645538

1, 2, 49, 89, 98, 178, 4361, 8329, 8722, 16658, 408121, 741281, 816242, 1482562, 36322769, 72645538

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 -72645537
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 72645538 can be divided by 16 positive divisors. The sum of these divisors (counting 72645538) is 1, the average is 0.0625.

Base conversion 72645538

Base System Value
2 Binary 100010101000111101110100010
3 Ternary 12001200202221111
4 Quaternary 10111013232202
5 Quinary 122044124123
6 Senary 11113013534
8 Octal 425075642
10 Decimal 72645538
12 Duodecimal 203b42aa
16 Hexadecimal 4547ba2
20 Vigesimal 12e0dgi
36 Base36 1791nm

Cryptographic Hash Functions

md5 81bbb705b39dd7d73fae169d33424f8e
sha1 e1b82d3c436cd517a7ceb35d960ae56d3d3d7c7a
sha256 8da7bb991002bd5041b6f4adc17731005430c09634c2236f3fc974d01305b0bb
sha512 64201c7e24f8ce25c6db8a5fec5cb14bde3598321e72432d259cb18aac899e33dd539c331071752d3e7fde10ed2e5b8d703836cce37ea4ece1368ff6342412d5
ripemd-160 8b27e6cb1b3b383396aad0704f5bf1c843ee1aa1

72645538 as geometric shapes

Circle

Radius = n
Diameter 145291076
Circumference 456445376.99376
Area 1.6579359989662E+16

Sphere

Radius = n
Volume 1.6058887015262E+24
Surface area 6.6317439958648E+16
Circumference 456445376.99376

Square

Length = n
Perimeter 290582152
Area 5277374191309444
Diagonal 102736305.08549

Cube

Length = n
Surface area 31664245147856664
Volume 3.8337768735499E+23
Space diagonal 125825762.75918

Equilateral Triangle

Length = n
Perimeter 217936614
Area 2.2851700574752E+15
Altitude 62912881.379588

Triangular Pyramid

Length = n
Surface area 2.2851700574752E+15
Volume 4.5181493747388E+22
Height 34245435.028497