81103628 (number)

81103628 is an even 8-digits composite number following 81103627 and preceding 81103629. In scientific notation, it is written as 8.1103628 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors. There are 38301120 positive integers (up to 81103628) that are relatively prime to 81103628.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred three thousand six hundred twenty-eight

Notation

Scientific notation 8.1103628 × 10^7
Engineering notation 8.1103628 × 10^6

Prime Factorization of 81103628

Prime Factorization 2 × 2 × 19 × 373 × 2861

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40551814
Product of the distinct prime numbers

The prime factorization of 81103628 is 2 × 2 × 19 × 373 × 2861. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 8, 45, 82, 511, 382, 9942, 126, 89542, 88693, 77149, 949499, 1979805, 999127, 40869272, 88635730, 919823313, 21918826, 3459667293, 9131886686

Basic calculations (n = 81103628)

Multiplication

n×y
n×2 162207256
n×3 243310884
n×4 324414512
n×5 405518140

Division

n÷y
n÷2 40551814
n÷3 27034542.666667
n÷3 20275907
n÷5 16220725.6

Exponentiation

ny
n2 6577798474762384
n3 5.334833205561E+23
n4 4.3267432774586E+31
n5 3.5091457722651E+39

Nth Root

y√n
2√n 9005.7552709365
3√n 432.85930781717
4√n 94.8986578985
5√n 38.177550155756

Divisors of 81103628

1, 2, 4, 19, 38, 76, 373, 746, 1492, 2861, 5722, 7087, 11444, 14174, 28348, 54359, 108718, 217436, 1067153, 2134306, 4268612, 20275907, 40551814, 81103628

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 -81103627
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 81103628 can be divided by 24 positive divisors. The sum of these divisors (counting 81103628) is 1, the average is 0.041666666666667.

Base conversion 81103628

Base System Value
2 Binary 100110101011000101100001100
3 Ternary 12122121111021002
4 Quaternary 10311120230030
5 Quinary 131230304003
6 Senary 12014155432
8 Octal 465305414
10 Decimal 81103628
12 Duodecimal 231b2b78
16 Hexadecimal 4d58b0c
20 Vigesimal 156hj18
36 Base36 1cabyk

Cryptographic Hash Functions

md5 232f22cee15486d08c438916b34ed8dd
sha1 7740639447b7dd65063e17e503526c2eda89e5e8
sha256 9ebee2fe094cf41a6421f08c40ec31e568d511e88abcad71451046a30f5d9f34
sha512 19c24045012c98351dfc76ae3c02667e789f280a712d508aa298149ca01477c4194b3b2b0e91864b7476cbc0adfdee53a06da7b26f72cdef4c8a983369287f9b
ripemd-160 ea8d5d0b9a5b05eee46f40f6e9bec25e599f6b53

81103628 as geometric shapes

Circle

Radius = n
Diameter 162207256
Circumference 509589123.80856
Area 2.0664763365108E+16

Sphere

Radius = n
Volume 2.2346497075623E+24
Surface area 8.2659053460431E+16
Circumference 509589123.80856

Square

Length = n
Perimeter 324414512
Area 6577798474762384
Diagonal 114697850.67526

Cube

Length = n
Surface area 39466790848574304
Volume 5.334833205561E+23
Space diagonal 140475604.37417

Equilateral Triangle

Length = n
Perimeter 243310884
Area 2.8482702900594E+15
Altitude 70237802.187083

Triangular Pyramid

Length = n
Surface area 2.8482702900594E+15
Volume 6.2871612269189E+22
Height 38232616.891754