81552912 (number)

81552912 is an even 8-digits composite number following 81552911 and preceding 81552913. In scientific notation, it is written as 8.1552912 × 10^7. The sum of its digits is 33. It has a total of 8 prime factors and 80 positive divisors. There are 23184000 positive integers (up to 81552912) that are relatively prime to 81552912.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred fifty-two thousand nine hundred twelve

Notation

Scientific notation 8.1552912 × 10^7
Engineering notation 8.1552912 × 10^6

Prime Factorization of 81552912

Prime Factorization 2 × 2 × 2 × 2 × 3 × 7 × 967 × 251

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 10194114
Product of the distinct prime numbers

The prime factorization of 81552912 is 2 × 2 × 2 × 2 × 3 × 7 × 967 × 251. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81552912)

Multiplication

n×y
n×2 163105824
n×3 244658736
n×4 326211648
n×5 407764560

Division

n÷y
n÷2 40776456
n÷3 27184304
n÷3 20388228
n÷5 16310582.4

Exponentiation

ny
n2 6650877455679744
n3 5.4239842386583E+23
n4 4.4234170930469E+31
n5 3.6074254492855E+39

Nth Root

y√n
2√n 9030.6650917859
3√n 433.65712972094
4√n 95.029811595025
5√n 38.219754632115

Divisors of 81552912

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81552911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81552912 can be divided by 80 positive divisors. The sum of these divisors (counting 81552912) is 1, the average is 0.0125.

Base conversion 81552912

Base System Value
2 Binary 100110111000110011000010000
3 Ternary 12200110022120020
4 Quaternary 10313012120100
5 Quinary 131334143122
6 Senary 12031543440
8 Octal 467063020
10 Decimal 81552912
12 Duodecimal 2338ab80
16 Hexadecimal 4dc6610
20 Vigesimal 159e25c
36 Base36 1cjymo

Cryptographic Hash Functions

md5 a869481012c84773caec8d100f5a5e9c
sha1 4f77cb195199647b9aee8a828b84f2216aade391
sha256 13081855198d7930116420420f429b302fa0de3563cdee046480b2a3df1ae304
sha512 6e921c624dca582586fae609f323d82d3da483e41a5863c8cae6986512eb9fe1355eefe18f23fefc15eca17cb0a980c3861fce70f09c4d72e750fb196c1f2857
ripemd-160 0f3ffab8f4231b76a2b02e84ef411311c388dc73

81552912 as geometric shapes

Circle

Radius = n
Diameter 163105824
Circumference 512412058.43611
Area 2.0894347754689E+16

Sphere

Radius = n
Volume 2.2719932049808E+24
Surface area 8.3577391018758E+16
Circumference 512412058.43611

Square

Length = n
Perimeter 326211648
Area 6650877455679744
Diagonal 115333234.20142

Cube

Length = n
Surface area 39905264734078464
Volume 5.4239842386583E+23
Space diagonal 141253787.08919

Equilateral Triangle

Length = n
Perimeter 244658736
Area 2.8799144170379E+15
Altitude 70626893.544597

Triangular Pyramid

Length = n
Surface area 2.8799144170379E+15
Volume 6.3922267270071E+22
Height 38444411.400473