81330553 (number)

81330553 is an odd 8-digits composite number following 81330552 and preceding 81330554. In scientific notation, it is written as 8.1330553 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 76190400 positive integers (up to 81330553) that are relatively prime to 81330553.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand five hundred fifty-three

Notation

Scientific notation 8.1330553 × 10^7
Engineering notation 8.1330553 × 10^6

Prime Factorization of 81330553

Prime Factorization 223 × 23 × 101 × 157

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81330553
Product of the distinct prime numbers

The prime factorization of 81330553 is 223 × 23 × 101 × 157. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 4, 47, 73, 672, 142, 9820, 782, 60116, 90958, 122977, 61653, 7553133, 4092067, 79734170, 50335430, 532558858, 883995180, 8641907986, 4896226880

Basic calculations (n = 81330553)

Multiplication

n×y
n×2 162661106
n×3 243991659
n×4 325322212
n×5 406652765

Division

n÷y
n÷2 40665276.5
n÷3 27110184.333333
n÷3 20332638.25
n÷5 16266110.6

Exponentiation

ny
n2 6614658851285809
n3 5.3797386228142E+23
n4 4.3753711718894E+31
n5 3.5585135699002E+39

Nth Root

y√n
2√n 9018.3453582129
3√n 433.26264007863
4√n 94.964969110788
5√n 38.198890164906

Divisors of 81330553

1, 23, 101, 157, 223, 2323, 3611, 5129, 15857, 22523, 35011, 364711, 518029, 805253, 3536111, 81330553

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 -81330552
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 81330553 can be divided by 16 positive divisors. The sum of these divisors (counting 81330553) is 1, the average is 0.0625.

Base conversion 81330553

Base System Value
2 Binary 100110110010000000101111001
3 Ternary 12200001000112201
4 Quaternary 10312100011321
5 Quinary 131310034203
6 Senary 12023110201
8 Octal 466200571
10 Decimal 81330553
12 Duodecimal 232a2361
16 Hexadecimal 4d90179
20 Vigesimal 158667d
36 Base36 1cf721

Cryptographic Hash Functions

md5 b729a19d930abe32fbcda4e4f5d50738
sha1 11b935f9bd9b6968da82660c63299bfc5d1ac57e
sha256 d3c8ea89f0347a40ac40455fff97a86ce7160f7b4ff766a356787313a4be3f03
sha512 ea7cfeeb9fdffb8dfc70ea48acd84f663c8e9155afdcea5b5c3b764172b59454965f1437ccd52fb62f24d686d35066ce8a4fa0a20bb8f05cb80cfc29a1b9a0a8
ripemd-160 e6c8e9cba365288cc3005e435ce431d19451d6eb

81330553 as geometric shapes

Circle

Radius = n
Diameter 162661106
Circumference 511014935.63439
Area 2.0780563653202E+16

Sphere

Radius = n
Volume 2.2534596447555E+24
Surface area 8.3122254612809E+16
Circumference 511014935.63439

Square

Length = n
Perimeter 325322212
Area 6614658851285809
Diagonal 115018771.0879

Cube

Length = n
Surface area 39687953107714854
Volume 5.3797386228142E+23
Space diagonal 140868650.00367

Equilateral Triangle

Length = n
Perimeter 243991659
Area 2.8642313012906E+15
Altitude 70434325.001837

Triangular Pyramid

Length = n
Surface area 2.8642313012906E+15
Volume 6.3400827686718E+22
Height 38339590.362635