81103668 (number)

81103668 is an even 8-digits composite number following 81103667 and preceding 81103669. In scientific notation, it is written as 8.1103668 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 25444224 positive integers (up to 81103668) that are relatively prime to 81103668.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1103668 × 10^7
Engineering notation 8.1103668 × 10^6

Prime Factorization of 81103668

Prime Factorization 2 × 2 × 3 × 17 × 397567

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40551834
Product of the distinct prime numbers

The prime factorization of 81103668 is 2 × 2 × 3 × 17 × 397567. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 7, 4, 35, 533, 795, 6682, 2405, 24865, 37903, 937369, 586434, 3358784, 7936698, 75393414, 17718775, 428889797, 65865222, 5974224697, 2189913298

Basic calculations (n = 81103668)

Multiplication

n×y
n×2 162207336
n×3 243311004
n×4 324414672
n×5 405518340

Division

n÷y
n÷2 40551834
n÷3 27034556
n÷3 20275917
n÷5 16220733.6

Exponentiation

ny
n2 6577804963054224
n3 5.334841098923E+23
n4 4.3267518131981E+31
n5 3.5091544257602E+39

Nth Root

y√n
2√n 9005.7574917383
3√n 432.85937897868
4√n 94.898669599412
5√n 38.17755392156

Divisors of 81103668

1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 397567, 795134, 1192701, 1590268, 2385402, 4770804, 6758639, 13517278, 20275917, 27034556, 40551834, 81103668

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 -81103667
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 81103668 can be divided by 24 positive divisors. The sum of these divisors (counting 81103668) is 1, the average is 0.041666666666667.

Base conversion 81103668

Base System Value
2 Binary 100110101011000101100110100
3 Ternary 12122121111022120
4 Quaternary 10311120230310
5 Quinary 131230304133
6 Senary 12014155540
8 Octal 465305464
10 Decimal 81103668
12 Duodecimal 231b2bb0
16 Hexadecimal 4d58b34
20 Vigesimal 156hj38
36 Base36 1cabzo

Cryptographic Hash Functions

md5 3c5199cb06e1f293f051c9fa8b2f59eb
sha1 2f5c1f3ed32b476ae7100f24f634196897d239a5
sha256 68b45166e3da52527bd0b68392e32755e22e0ead10e9d2df7e40da452412d523
sha512 0374d34194d8add99259ee5d9274d3f9c13cc89b117bde259cb48ed2367d9dcd58bb334bafac66bd5735ffb35e862566a182a1c6176a5c2fe79b59e3cab04464
ripemd-160 9fec02f4c4b6cab77266881dc5fdb5697262677c

81103668 as geometric shapes

Circle

Radius = n
Diameter 162207336
Circumference 509589375.13597
Area 2.0664783748678E+16

Sphere

Radius = n
Volume 2.2346530139261E+24
Surface area 8.2659134994711E+16
Circumference 509589375.13597

Square

Length = n
Perimeter 324414672
Area 6577804963054224
Diagonal 114697907.2438

Cube

Length = n
Surface area 39466829778325344
Volume 5.334841098923E+23
Space diagonal 140475673.6562

Equilateral Triangle

Length = n
Perimeter 243311004
Area 2.8482730995722E+15
Altitude 70237836.828099

Triangular Pyramid

Length = n
Surface area 2.8482730995722E+15
Volume 6.2871705293353E+22
Height 38232635.747935