18879421 is an odd 8-digits composite number following 18879420
and preceding 18879422 . In scientific notation, it is written as 1.8879421 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 17163100 positive integers (up to 18879421) that are relatively prime to 18879421.
18879421 has 4 divisors, whose sum is 20595744
The reverse of 18879421 is 12497881
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighteen million eight hundred seventy-nine thousand four hundred twenty-one
Scientific notation
1.8879421 × 10^7
Engineering notation
1.8879421 × 10^6
Prime Factorization
11 × 1716311
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18879421
Product of the distinct prime numbers
The prime factorization of 18879421 is 11 × 1716311.
Since it has a total of 2 prime factors.
7 , 8 , 24 , 46 , 377 , 965 , 3853 , 3131 , 2732 , 48676 , 420341 , 684496 , 1339422 , 8449439 , 41749996 , 55657153 , 572934213 , 401882372 , 5666698376 , 992233286
n×2
37758842
n×3
56638263
n×4
75517684
n×5
94397105
n÷2
9439710.5
n÷3
6293140.3333333
n÷3
4719855.25
n÷5
3775884.2
n2
356432537295241
n3
6.7292399296951E+21
n4
1.2704415364272E+29
n5
2.3985200622097E+36
2 √n
4345.0455693813
3 √n
266.27448723036
4 √n
65.916959649102
5 √n
28.523166312758
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18879420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18879421 can be divided by 4 positive divisors.
The sum of these divisors (counting 18879421) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001000000001001110111101
3
Ternary
1022112011200211
4
Quaternary
1020001032331
5
Quinary
14313120141
6
Senary
1512352421
8
Octal
110011675
10
Decimal
18879421
12
Duodecimal
63a5711
16
Hexadecimal
12013bd
20
Vigesimal
5hjib1
36
Base36
b8ngd
md5
b707dcfee2cab415e6e6a60fa5793b68
sha1
2bc437258b940afe2d9b257d7af83bbafc58c03d
sha256
3ba9731f34b4aacd4b69acf401971e1eba6e4d58c56287ba4d0159965aa167e5
sha512
0620c2a7a5e59ec687f37c0d1cf88caeca3200be2079d78fe1c704cc6f734b1b1bc07bf5679e22ecac6a2452c0dd73c39cc0088ba9559f724ca7fe7d46686766
ripemd-160
22b2b0ec1292efcf3f45b8d0672d6c53c121bd39
Diameter
37758842
Circumference
118622900.63526
Area
1.1197658406671E+15
Volume
2.8187374303164E+22
Surface area
4.4790633626684E+15
Circumference
118622900.63526
Perimeter
75517684
Area
356432537295241
Diagonal
26699533.227951
Surface area
2138595223771446
Volume
6.7292399296951E+21
Space diagonal
32700116.389483
Perimeter
56638263
Area
1.5433981601651E+14
Altitude
16350058.194741
Surface area
1.5433981601651E+14
Volume
7.9304853108644E+20
Height
8899844.4093171