81572354 (number)

81572354 is an even 8-digits composite number following 81572353 and preceding 81572355. In scientific notation, it is written as 8.1572354 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 39598272 positive integers (up to 81572354) that are relatively prime to 81572354.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred seventy-two thousand three hundred fifty-four

Notation

Scientific notation 8.1572354 × 10^7
Engineering notation 8.1572354 × 10^6

Prime Factorization of 81572354

Prime Factorization 2 × 47 × 127 × 6833

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81572354
Product of the distinct prime numbers

The prime factorization of 81572354 is 2 × 47 × 127 × 6833. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81572354)

Multiplication

n×y
n×2 163144708
n×3 244717062
n×4 326289416
n×5 407861770

Division

n÷y
n÷2 40786177
n÷3 27190784.666667
n÷3 20393088.5
n÷5 16314470.8

Exponentiation

ny
n2 6654048937101316
n3 5.4278643543055E+23
n4 4.4276367257339E+31
n5 3.6117275037497E+39

Nth Root

y√n
2√n 9031.7414710564
3√n 433.69158788971
4√n 95.03547480313
5√n 38.22157675619

Divisors of 81572354

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 -81572353
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 81572354 can be divided by 16 positive divisors. The sum of these divisors (counting 81572354) is 1, the average is 0.0625.

Base conversion 81572354

Base System Value
2 Binary 100110111001011001000000010
3 Ternary 12200111022020022
4 Quaternary 10313023020002
5 Quinary 131340303404
6 Senary 12032213442
8 Octal 467131002
10 Decimal 81572354
12 Duodecimal 2339a282
16 Hexadecimal 4dcb202
20 Vigesimal 159gahe
36 Base36 1ckdmq

Cryptographic Hash Functions

md5 9aaa70f5fa3f3551c61f30ab38f67c19
sha1 640c5a64b82dcd3783b986a72c67c40eb62fbde7
sha256 6fd49268f2214de1a3a0a261d2aafaf6693c63e5c586e40e772d271816412bf8
sha512 cd033201a3ed7f1799ef589435acb68855ce97e83985c74b6a877dbf50d62145bb546a914a57b1477427df142111181f8e61585d1227d47152ff7ea478955ef1
ripemd-160 b3d51792cd35e74c2e53f014021012b8b2193dea

81572354 as geometric shapes

Circle

Radius = n
Diameter 163144708
Circumference 512534216.12485
Area 2.0904311257424E+16

Sphere

Radius = n
Volume 2.2736185040224E+24
Surface area 8.3617245029698E+16
Circumference 512534216.12485

Square

Length = n
Perimeter 326289416
Area 6654048937101316
Diagonal 115360729.3415

Cube

Length = n
Surface area 39924293622607896
Volume 5.4278643543055E+23
Space diagonal 141287461.62099

Equilateral Triangle

Length = n
Perimeter 244717062
Area 2.8812877087773E+15
Altitude 70643730.810497

Triangular Pyramid

Length = n
Surface area 2.8812877087773E+15
Volume 6.3967994871503E+22
Height 38453576.447166