18864984 is an even 8-digits composite number following 18864983
and preceding 18864985 . In scientific notation, it is written as 1.8864984 × 10^7.
The sum of its digits is 48. It has a total of 6 prime factors and 32 positive divisors.
There are 6199200 positive integers (up to 18864984) that are relatively prime to 18864984.
18864984 has 32 divisors, whose sum is 47831040
The reverse of 18864984 is 48946881
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
eighteen million eight hundred sixty-four thousand nine hundred eighty-four
Scientific notation
1.8864984 × 10^7
Engineering notation
1.8864984 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 71 × 11071
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
4716246
Product of the distinct prime numbers
The prime factorization of 18864984 is 2 × 2 × 2 × 3 × 71 × 11071.
Since it has a total of 6 prime factors.
1 , 2 , 18 , 72 , 822 , 804 , 8836 , 9659 , 77975 , 39377 , 679932 , 910360 , 4463290 , 5716742 , 67674477 , 53726506 , 397473547 , 279908745 , 9650741068 , 410603798
n×2
37729968
n×3
56594952
n×4
75459936
n×5
94324920
n÷2
9432492
n÷3
6288328
n÷3
4716246
n÷5
3772996.8
n2
355887621320256
n3
6.7138142820047E+21
n4
1.2665599900899E+29
n5
2.3893633948086E+36
2 √n
4343.3839342153
3 √n
266.20659699386
4 √n
65.904354440472
5 √n
28.51880267293
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 71 , 142 , 213 , 284 , 426 , 568 , 852 , 1704 , 11071 , 22142 , 33213 , 44284 , 66426 , 88568 , 132852 , 265704 , 786041 , 1572082 , 2358123 , 3144164 , 4716246 , 6288328 , 9432492 , 18864984
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18864983
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18864984 can be divided by 32 positive divisors.
The sum of these divisors (counting 18864984) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1000111111101101101011000
3
Ternary
1022111102220010
4
Quaternary
1013331231120
5
Quinary
14312134414
6
Senary
1512201520
8
Octal
107755530
10
Decimal
18864984
12
Duodecimal
63992a0
16
Hexadecimal
11fdb58
20
Vigesimal
5hi294
36
Base36
b8cbc
md5
2adb27f8f78c1d6ca58916e430799c92
sha1
cba843cf488f15f6eb0c9bf74c06b0732a771974
sha256
ad324372c6bad61c72a0cafe1f14a2d50bf7a3befdb099c1cd13a3fe040b39ee
sha512
89e8419ab6d2e567125d07acb64385ba71beefaa2ee5f92066a9ce83c22c7fca24a69a11548ed6dd8b7600f2a52b68a66ed8ad449f643e2be8a2db4367840099
ripemd-160
245e4793d11da27c8307ea5ac65c8bd11f936fb3
Diameter
37729968
Circumference
118532190.28898
Area
1.1180539366433E+15
Volume
2.8122759501216E+22
Surface area
4.472215746573E+15
Circumference
118532190.28898
Perimeter
75459936
Area
355887621320256
Diagonal
26679116.226751
Surface area
2135325727921536
Volume
6.7138142820047E+21
Space diagonal
32675110.771974
Perimeter
56594952
Area
1.5410386047788E+14
Altitude
16337555.385987
Surface area
1.5410386047788E+14
Volume
7.912306010721E+20
Height
8893038.7422505