81469760 (number)

81469760 is an even 8-digits composite number following 81469759 and preceding 81469761. In scientific notation, it is written as 8.1469760 × 10^7. The sum of its digits is 41. It has a total of 8 prime factors and 28 positive divisors. There are 32587776 positive integers (up to 81469760) that are relatively prime to 81469760.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred sixty-nine thousand seven hundred sixty

Notation

Scientific notation 8.1469760 × 10^7
Engineering notation 8.1469760 × 10^6

Prime Factorization of 81469760

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 5 × 254593

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2545930
Product of the distinct prime numbers

The prime factorization of 81469760 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 254593. Since it has a total of 8 prime factors.

Most popular turbo-numbers

4, 1, 59, 2, 973, 539, 3752, 7894, 77584, 75787, 97712, 313655, 1876860, 7689969, 83370663, 15301933, 408679446, 503693286, 2617373978, 5590951023

Basic calculations (n = 81469760)

Multiplication

n×y
n×2 162939520
n×3 244409280
n×4 325879040
n×5 407348800

Division

n÷y
n÷2 40734880
n÷3 27156586.666667
n÷3 20367440
n÷5 16293952

Exponentiation

ny
n2 6637321794457600
n3 5.4074101363723E+23
n4 4.4054040603182E+31
n5 3.5890721149715E+39

Nth Root

y√n
2√n 9026.0600485483
3√n 433.50969284339
4√n 95.005579039067
5√n 38.211957618132

Divisors of 81469760

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 254593, 509186, 1018372, 1272965, 2036744, 2545930, 4073488, 5091860, 8146976, 10183720, 16293952, 20367440, 40734880, 81469760

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81469759
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81469760 can be divided by 28 positive divisors. The sum of these divisors (counting 81469760) is 1, the average is 0.035714285714286.

Base conversion 81469760

Base System Value
2 Binary 100110110110010000101000000
3 Ternary 12200022002111112
4 Quaternary 10312302011000
5 Quinary 131324013020
6 Senary 12030102452
8 Octal 466620500
10 Decimal 81469760
12 Duodecimal 2334aa28
16 Hexadecimal 4db2140
20 Vigesimal 1593e80
36 Base36 1ci6gw

Cryptographic Hash Functions

md5 93f70239ae5fbc1e413e4a3dfb24565f
sha1 574a92634646c54845a879c086c9eb008b8a10a9
sha256 81401735a49a6c4c165d4052ac2a5a3429b4476dd993920e7b509ce855201f58
sha512 b25a603ae19538b0c465ddd3c3caae516bfee9b505a2d43a971a8cc3cc925a17bb984620f27a76913c67cab553c066a0e5bff57239420caa65d663fbb7e17660
ripemd-160 d3aa3db68d219d6a3ce2b48b79f4ca5f52ef19e0

81469760 as geometric shapes

Circle

Radius = n
Diameter 162939520
Circumference 511889599.01145
Area 2.0851761388979E+16

Sphere

Radius = n
Volume 2.2650506612499E+24
Surface area 8.3407045555918E+16
Circumference 511889599.01145

Square

Length = n
Perimeter 325879040
Area 6637321794457600
Diagonal 115215639.51528

Cube

Length = n
Surface area 39823930766745600
Volume 5.4074101363723E+23
Space diagonal 141109763.60044

Equilateral Triangle

Length = n
Perimeter 244409280
Area 2.8740446435462E+15
Altitude 70554881.800221

Triangular Pyramid

Length = n
Surface area 2.8740446435462E+15
Volume 6.3726939601429E+22
Height 38405213.17176