18984972 is an even 8-digits composite number following 18984971
and preceding 18984973 . In scientific notation, it is written as 1.8984972 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 12 positive divisors.
There are 6328320 positive integers (up to 18984972) that are relatively prime to 18984972.
18984972 has 12 divisors, whose sum is 44298296
The reverse of 18984972 is 27948981
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
eighteen million nine hundred eighty-four thousand nine hundred seventy-two
Scientific notation
1.8984972 × 10^7
Engineering notation
1.8984972 × 10^6
Prime Factorization
2 × 2 × 3 × 1582081
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9492486
Product of the distinct prime numbers
The prime factorization of 18984972 is 2 × 2 × 3 × 1582081.
Since it has a total of 4 prime factors.
8 , 1 , 88 , 24 , 118 , 472 , 4346 , 9004 , 75008 , 36747 , 333924 , 801651 , 9024820 , 4311280 , 14827124 , 37022984 , 712936555 , 639725895 , 6564345635 , 9561310678
n×2
37969944
n×3
56954916
n×4
75939888
n×5
94924860
n÷2
9492486
n÷3
6328324
n÷3
4746243
n÷5
3796994.4
n2
360429161840784
n3
6.8427375455308E+21
n4
1.2990918070525E+29
n5
2.4663221582321E+36
2 √n
4357.1747727168
3 √n
266.76979414035
4 √n
66.008899193342
5 √n
28.554988670602
1 , 2 , 3 , 4 , 6 , 12 , 1582081 , 3164162 , 4746243 , 6328324 , 9492486 , 18984972
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18984971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18984972 can be divided by 12 positive divisors.
The sum of these divisors (counting 18984972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001000011011000000001100
3
Ternary
1022201112111010
4
Quaternary
1020123000030
5
Quinary
14330004342
6
Senary
1514525220
8
Octal
110330014
10
Decimal
18984972
12
Duodecimal
6436810
16
Hexadecimal
121b00c
20
Vigesimal
5id28c
36
Base36
bawwc
md5
c4849064613007fa31baa33685f0faa3
sha1
c2256a9f56d115717f537e5939795f38bc1feb07
sha256
c9daf04e35b484d77ad4523005e47dc3c06712666288b32395e56bfe413de6d6
sha512
f744a42a074eb8535c266ac8ef2a58ff4d2cd70ecb25f203b36f2d2b48dd31807a8cb447c9d94ef41dedac62bb9120bad49c7d1849586331e88fe97340957a84
ripemd-160
25505abeead333b2e46392f94a0290df320cd365
Diameter
37969944
Circumference
119286097.12762
Area
1.1323216069785E+15
Volume
2.8662792004643E+22
Surface area
4.5292864279141E+15
Circumference
119286097.12762
Perimeter
75939888
Area
360429161840784
Diagonal
26848804.883673
Surface area
2162574971044704
Volume
6.8427375455308E+21
Space diagonal
32882936.084273
Perimeter
56954916
Area
1.5607040520943E+14
Altitude
16441468.042136
Surface area
1.5607040520943E+14
Volume
8.0642435338743E+20
Height
8949601.6278912