18872018 is an even 8-digits composite number following 18872017
and preceding 18872019 . In scientific notation, it is written as 1.8872018 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 8496960 positive integers (up to 18872018) that are relatively prime to 18872018.
18872018 has 16 divisors, whose sum is 31173984
The reverse of 18872018 is 81027881
Previous prime number is 107
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighteen million eight hundred seventy-two thousand eighteen
Scientific notation
1.8872018 × 10^7
Engineering notation
1.8872018 × 10^6
Prime Factorization
2 × 11 × 107 × 8017
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18872018
Product of the distinct prime numbers
The prime factorization of 18872018 is 2 × 11 × 107 × 8017.
Since it has a total of 4 prime factors.
6 , 4 , 91 , 70 , 442 , 669 , 3610 , 8717 , 27604 , 28169 , 266027 , 203457 , 2720709 , 4199630 , 89408016 , 80316986 , 991408248 , 171834610 , 7164556810 , 5058611288
n×2
37744036
n×3
56616054
n×4
75488072
n×5
94360090
n÷2
9436009
n÷3
6290672.6666667
n÷3
4718004.5
n÷5
3774403.6
n2
356153063392324
n3
6.7213270230951E+21
n4
1.2684500456374E+29
n5
2.3938212093369E+36
2 √n
4344.1935960544
3 √n
266.23967882287
4 √n
65.910496857894
5 √n
28.520929060593
1 , 2 , 11 , 22 , 107 , 214 , 1177 , 2354 , 8017 , 16034 , 88187 , 176374 , 857819 , 1715638 , 9436009 , 18872018
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
-18872017
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 18872018 can be divided by 16 positive divisors.
The sum of these divisors (counting 18872018) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000111111111011011010010
3
Ternary
1022111210112122
4
Quaternary
1013333123102
5
Quinary
14312401033
6
Senary
1512254242
8
Octal
107773322
10
Decimal
18872018
12
Duodecimal
63a1382
16
Hexadecimal
11ff6d2
20
Vigesimal
5hj00i
36
Base36
b8hqq
md5
ab76da07496073cceedf6c0cd29be861
sha1
acd3efaed4b19fff9082c559772fa3b337c4f290
sha256
5b1a93ed413429544354c083f6fedbd6710ee865c591537fe63519878b03419c
sha512
8ec63dcb25f3025e05b7eb9f230fe05a6e1d0f1b98b2a7edbb3b20fc24368d489267393940af21ca2b3e787a20852544bfca5fcb6c1cb69f8ec5795f190e96db
ripemd-160
d16d0e80547874448e218a3b0a6b2ddc593a2f33
Diameter
37744036
Circumference
118576386.21443
Area
1.1188878475068E+15
Volume
2.8154228797507E+22
Surface area
4.4755513900273E+15
Circumference
118576386.21443
Perimeter
75488072
Area
356153063392324
Diagonal
26689063.804949
Surface area
2136918380353944
Volume
6.7213270230951E+21
Space diagonal
32687294.017354
Perimeter
56616054
Area
1.542188002667E+14
Altitude
16343647.008677
Surface area
1.542188002667E+14
Volume
7.9211598610049E+20
Height
8896354.6016497