18678897 is an odd 8-digits composite number following 18678896
and preceding 18678898 . In scientific notation, it is written as 1.8678897 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 12355200 positive integers (up to 18678897) that are relatively prime to 18678897.
18678897 has 16 divisors, whose sum is 27888960
The reverse of 18678897 is 79887681
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
eighteen million six hundred seventy-eight thousand eight hundred ninety-seven
Scientific notation
1.8678897 × 10^7
Engineering notation
1.8678897 × 10^6
Prime Factorization
3 × 9 × 131 × 5281
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18678897
Product of the distinct prime numbers
The prime factorization of 18678897 is 3 × 9 × 131 × 5281.
Since it has a total of 4 prime factors.
6 , 9 , 9 , 13 , 488 , 209 , 3299 , 8919 , 57408 , 13383 , 994475 , 660763 , 4289912 , 9169651 , 84631810 , 3783067 , 778553005 , 944761535 , 4727517779 , 4907246778
n×2
37357794
n×3
56036691
n×4
74715588
n×5
93394485
n÷2
9339448.5
n÷3
6226299
n÷3
4669724.25
n÷5
3735779.4
n2
348901193136609
n3
6.5170894497758E+21
n4
1.2173204257215E+29
n5
2.2738202848048E+36
2 √n
4321.9089532289
3 √n
265.3284026353
4 √n
65.741227195945
5 √n
28.462316616493
1 , 3 , 9 , 27 , 131 , 393 , 1179 , 3537 , 5281 , 15843 , 47529 , 142587 , 691811 , 2075433 , 6226299 , 18678897
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
-18678896
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 18678897 can be divided by 16 positive divisors.
The sum of these divisors (counting 18678897) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000111010000010001110001
3
Ternary
1022010222122000
4
Quaternary
1013100101301
5
Quinary
14240211042
6
Senary
1504204213
8
Octal
107202161
10
Decimal
18678897
12
Duodecimal
6309669
16
Hexadecimal
11d0471
20
Vigesimal
5geh4h
36
Base36
b4cq9
md5
8434be58165ac60d1cee1df395ae3a09
sha1
c17a942634a0e532bf992b3374c7866869675f30
sha256
ae58dffababde9b5ef414ab19e83c34c2b794d2869cdfe6ba86b118eb2762871
sha512
f5b82c0ee7672a7370d5572d45c86c2e0547386240f3edd28433f6c6a4bb004e7cc536aaf1dedecd54d79f2f9142c2a41f543ab7ce4844713074583672809f57
ripemd-160
55127b4d01245a44fecd61ac19134f07b0df5b38
Diameter
37357794
Circumference
117362971.18472
Area
1.0961054251867E+15
Volume
2.7298720450938E+22
Surface area
4.3844217007467E+15
Circumference
117362971.18472
Perimeter
74715588
Area
348901193136609
Diagonal
26415949.46757
Surface area
2093407158819654
Volume
6.5170894497758E+21
Space diagonal
32352798.633346
Perimeter
56036691
Area
1.510786483335E+14
Altitude
16176399.316673
Surface area
1.510786483335E+14
Volume
7.6804635725597E+20
Height
8805316.48919