18972641 is an odd 8-digits composite number following 18972640
and preceding 18972642 . In scientific notation, it is written as 1.8972641 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 18318384 positive integers (up to 18972641) that are relatively prime to 18972641.
18972641 has 4 divisors, whose sum is 19626900
The reverse of 18972641 is 14627981
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighteen million nine hundred seventy-two thousand six hundred forty-one
Scientific notation
1.8972641 × 10^7
Engineering notation
1.8972641 × 10^6
Prime Factorization
29 × 654229
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18972641
Product of the distinct prime numbers
The prime factorization of 18972641 is 29 × 654229.
Since it has a total of 2 prime factors.
3 , 8 , 26 , 52 , 210 , 234 , 1451 , 2925 , 48110 , 23322 , 638105 , 159915 , 8096757 , 1119306 , 55038196 , 87103954 , 521772541 , 468492505 , 6868036590 , 5000155850
n×2
37945282
n×3
56917923
n×4
75890564
n×5
94863205
n÷2
9486320.5
n÷3
6324213.6666667
n÷3
4743160.25
n÷5
3794528.2
n2
359961106514881
n3
6.8294128478696E+21
n4
1.2957199820342E+29
n5
2.4583230055661E+36
2 √n
4355.7595204511
3 √n
266.71202474976
4 √n
65.998178160091
5 √n
28.551278335064
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
-18972640
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 18972641 can be divided by 4 positive divisors.
The sum of these divisors (counting 18972641) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001000010111111111100001
3
Ternary
1022200220120102
4
Quaternary
1020113333201
5
Quinary
14324111031
6
Senary
1514352145
8
Octal
110277741
10
Decimal
18972641
12
Duodecimal
642b655
16
Hexadecimal
1217fe1
20
Vigesimal
5ibbc1
36
Base36
bandt
md5
ce702afd347f173f633528a24a1ceea5
sha1
83086da42460b838b7f1b998a52327754f5bea41
sha256
ccfca6f80704620f9cab9dfcc80548d2689be89e3aaf559ff2e371c6ecd74b16
sha512
0bec6c1955469a0edd13185238711ad23711c1416dd4b64b57ac055a4dbab33a6041f69acf12458a107493141525a872a21652e2c12968f865c9be4a20c4592d
ripemd-160
f59c5f9a8ea5e78ecf0eb7a9b2bd39b150960967
Diameter
37945282
Circumference
119208619.16959
Area
1.1308511678052E+15
Volume
2.8606977641599E+22
Surface area
4.5234046712208E+15
Circumference
119208619.16959
Perimeter
75890564
Area
359961106514881
Diagonal
26831366.216236
Surface area
2159766639089286
Volume
6.8294128478696E+21
Space diagonal
32861578.165764
Perimeter
56917923
Area
1.5586773130812E+14
Altitude
16430789.082882
Surface area
1.5586773130812E+14
Volume
8.0485402270852E+20
Height
8943788.7387453