81678077 (number)

81678077 is an odd 8-digits composite number following 81678076 and preceding 81678078. In scientific notation, it is written as 8.1678077 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 75395136 positive integers (up to 81678077) that are relatively prime to 81678077.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred seventy-eight thousand seventy-seven

Notation

Scientific notation 8.1678077 × 10^7
Engineering notation 8.1678077 × 10^6

Prime Factorization of 81678077

Prime Factorization 13 × 6282929

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81678077
Product of the distinct prime numbers

The prime factorization of 81678077 is 13 × 6282929. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81678077)

Multiplication

n×y
n×2 163356154
n×3 245034231
n×4 326712308
n×5 408390385

Division

n÷y
n÷2 40839038.5
n÷3 27226025.666667
n÷3 20419519.25
n÷5 16335615.4

Exponentiation

ny
n2 6671308262417929
n3 5.4489962994851E+23
n4 4.4506353932206E+31
n5 3.635193403464E+39

Nth Root

y√n
2√n 9037.5924338288
3√n 433.87887103594
4√n 95.066252865193
5√n 38.231479146602

Divisors of 81678077

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81678076
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81678077 can be divided by 4 positive divisors. The sum of these divisors (counting 81678077) is 1, the average is 0.25.

Base conversion 81678077

Base System Value
2 Binary 100110111100100111011111101
3 Ternary 12200200200020222
4 Quaternary 10313210323331
5 Quinary 131402144302
6 Senary 12034351125
8 Octal 467447375
10 Decimal 81678077
12 Duodecimal 2342b4a5
16 Hexadecimal 4de4efd
20 Vigesimal 15a9f3h
36 Base36 1cmn7h

Cryptographic Hash Functions

md5 49f857fd42285535ed5a439e5f29e9bd
sha1 bbc1235b7d24d0f1e187535e05b00304235ce233
sha256 0c3dc1a49365e0c2a0c8f711003347177803e0c901b3518dbf296997c08f0962
sha512 b0e411e8987fc27d723d621b862b11e8257a6e3ac2310604de19ad4de5cb9c2b0cabaf2561acb681bc449a987069520587620b578bbb0e975e508a403c0d64d7
ripemd-160 4d1c79316a34b9199f99aa1cf1b0c6f9b945b3fb

81678077 as geometric shapes

Circle

Radius = n
Diameter 163356154
Circumference 513198493.32508
Area 2.0958533027045E+16

Sphere

Radius = n
Volume 2.28247023252E+24
Surface area 8.383413210818E+16
Circumference 513198493.32508

Square

Length = n
Perimeter 326712308
Area 6671308262417929
Diagonal 115510244.24195

Cube

Length = n
Surface area 40027849574507574
Volume 5.4489962994851E+23
Space diagonal 141470579.22852

Equilateral Triangle

Length = n
Perimeter 245034231
Area 2.8887612158655E+15
Altitude 70735289.614261

Triangular Pyramid

Length = n
Surface area 2.8887612158655E+15
Volume 6.4217037233772E+22
Height 38503414.747318