18388974 is an even 8-digits composite number following 18388973
and preceding 18388975 . In scientific notation, it is written as 1.8388974 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 6120768 positive integers (up to 18388974) that are relatively prime to 18388974.
18388974 has 16 divisors, whose sum is 36831312
The reverse of 18388974 is 47988381
Previous prime number is 853
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
eighteen million three hundred eighty-eight thousand nine hundred seventy-four
Scientific notation
1.8388974 × 10^7
Engineering notation
1.8388974 × 10^6
Prime Factorization
2 × 3 × 853 × 3593
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18388974
Product of the distinct prime numbers
The prime factorization of 18388974 is 2 × 3 × 853 × 3593.
Since it has a total of 4 prime factors.
1 , 1 , 67 , 59 , 470 , 771 , 5995 , 1366 , 37406 , 52713 , 244916 , 698284 , 8649598 , 9349023 , 94975462 , 96629561 , 938881198 , 689323333 , 6963824946 , 4549583124
n×2
36777948
n×3
55166922
n×4
73555896
n×5
91944870
n÷2
9194487
n÷3
6129658
n÷3
4597243.5
n÷5
3677794.8
n2
338154364772676
n3
6.2183118217913E+21
n4
1.1434837441481E+29
n5
2.1027492840562E+36
2 √n
4288.2367005565
3 √n
263.94848053435
4 √n
65.484629498505
5 √n
28.373407780558
1 , 2 , 3 , 6 , 853 , 1706 , 2559 , 3593 , 5118 , 7186 , 10779 , 21558 , 3064829 , 6129658 , 9194487 , 18388974
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
-18388973
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 18388974 can be divided by 16 positive divisors.
The sum of these divisors (counting 18388974) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000110001001011111101110
3
Ternary
1021121020221010
4
Quaternary
1012021133232
5
Quinary
14201421344
6
Senary
1454050050
8
Octal
106113756
10
Decimal
18388974
12
Duodecimal
61a9926
16
Hexadecimal
11897ee
20
Vigesimal
5eic8e
36
Base36
ay50u
md5
3012eed736fb66389fe0be5f4749401e
sha1
2e5f11bb7a8a46935b4fab127ff5560710552070
sha256
1ed1b91b3bb63b339ab13ca0b75fc04f54b2953eabf0fdbd0b3db137caf28c63
sha512
b04d77e6f9664a2ed073833e5144bff3b03614fe76a54d182bbf4298c5e37b73326f4aa586e88d9c267529d3651fec2d6ca5e3136cc938ad54a8314cc066e4bd
ripemd-160
3bf99fa449a72d9aaf808e7f1d3faf319bdceefb
Diameter
36777948
Circumference
115541331.25091
Area
1.0623432681492E+15
Volume
2.6047203649427E+22
Surface area
4.2493730725966E+15
Circumference
115541331.25091
Perimeter
73555896
Area
338154364772676
Diagonal
26005936.428926
Surface area
2028926188636056
Volume
6.2183118217913E+21
Space diagonal
31850637.267063
Perimeter
55166922
Area
1.4642513514686E+14
Altitude
15925318.633532
Surface area
1.4642513514686E+14
Volume
7.3283507612018E+20
Height
8668645.4763087