199661808 is an even 9-digits composite number following 199661807
and preceding 199661809 . In scientific notation, it is written as 1.99661808 × 10^8.
The sum of its digits is 48. It has a total of 6 prime factors and 20 positive divisors.
There are 66553920 positive integers (up to 199661808) that are relatively prime to 199661808.
199661808 has 20 divisors, whose sum is 515793128
The reverse of 199661808 is 808166991
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred ninety-nine million six hundred sixty-one thousand eight hundred eight
Scientific notation
1.99661808 × 10^8
Engineering notation
1.99661808 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 4159621
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
24957726
Product of the distinct prime numbers
The prime factorization of 199661808 is 2 × 2 × 2 × 2 × 3 × 4159621.
Since it has a total of 6 prime factors.
4 , 8 , 5 , 89 , 430 , 414 , 5028 , 8782 , 56134 , 66543 , 127620 , 504863 , 8325980 , 1273504 , 6617429 , 34614388 , 995425786 , 585942864 , 100940215 , 9762325466
n×2
399323616
n×3
598985424
n×4
798647232
n×5
998309040
n÷2
99830904
n÷3
66553936
n÷3
49915452
n÷5
39932361.6
n2
39864837573828864
n3
7.959485545617E+24
n4
1.5892052747878E+33
n5
3.1730359844726E+41
2 √n
14130.173671969
3 √n
584.4737352038
4 √n
118.87040704889
5 √n
45.715029030349
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 4159621 , 8319242 , 12478863 , 16638484 , 24957726 , 33276968 , 49915452 , 66553936 , 99830904 , 199661808
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-199661807
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 199661808 can be divided by 20 positive divisors.
The sum of these divisors (counting 199661808) is 1, the average is 0.05.
Base
System
Value
2
Binary
1011111001101001100011110000
3
Ternary
111220200212111210
4
Quaternary
23321221203300
5
Quinary
402103134213
6
Senary
31451240120
8
Octal
1371514360
10
Decimal
199661808
12
Duodecimal
56a49040
16
Hexadecimal
be698f0
20
Vigesimal
327hea8
36
Base36
3avg1c
md5
3200e85e734cc5e1e99bec0242165e1a
sha1
3f132e82eb71c42bad99544ff4ad7ea8f3835f47
sha256
b62253c17b1f4d296d19d349f3d0fcb818048d56ce14d897bbfe274565ec3cce
sha512
5ddee1d4f9ebdb22f7d428559da551d2371ea9764fdb5dd8f290dd71313f4cec9d9620305a25ec915fe7683ed937d0c7c4322c7a8d8ffaf58a309d242e602403
ripemd-160
6d016f0171aecd81373ed798403026ddb5af4ccd
Diameter
399323616
Circumference
1254512138.4305
Area
1.2523908085849E+17
Volume
3.3340615088619E+25
Surface area
5.0095632343396E+17
Circumference
1254512138.4305
Perimeter
798647232
Area
39864837573828864
Diagonal
282364436.76153
Surface area
239189025442973184
Volume
7.959485545617E+24
Space diagonal
345824395.78706
Perimeter
598985424
Area
1.7261981028338E+16
Altitude
172912197.89353
Surface area
1.7261981028338E+16
Volume
9.3803436734368E+23
Height
94121478.920511