206819988 is an even 9-digits composite number following 206819987
and preceding 206819989 . In scientific notation, it is written as 2.06819988 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 12 positive divisors.
There are 68939992 positive integers (up to 206819988) that are relatively prime to 206819988.
206819988 has 12 divisors, whose sum is 482580000
The reverse of 206819988 is 889918602
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 51
Digital Root 6
Name
two hundred six million eight hundred nineteen thousand nine hundred eighty-eight
Scientific notation
2.06819988 × 10^8
Engineering notation
2.06819988 × 10^6
Prime Factorization
2 × 2 × 3 × 17234999
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
103409994
Product of the distinct prime numbers
The prime factorization of 206819988 is 2 × 2 × 3 × 17234999.
Since it has a total of 4 prime factors.
3 , 6 , 69 , 28 , 880 , 455 , 8028 , 5666 , 50443 , 38451 , 120331 , 1740 , 6013087 , 3232635 , 65614935 , 98482879 , 130725217 , 801316717 , 3765273667 , 1461131694
n×2
413639976
n×3
620459964
n×4
827279952
n×5
1034099940
n÷2
103409994
n÷3
68939996
n÷3
51704997
n÷5
41363997.6
n2
42774507436320144
n3
8.8466231146856E+24
n4
1.8296584864198E+33
n5
3.7840994620544E+41
2 √n
14381.237359838
3 √n
591.37664557137
4 √n
119.92179685044
5 √n
46.038217645912
1 , 2 , 3 , 4 , 6 , 12 , 17234999 , 34469998 , 51704997 , 68939996 , 103409994 , 206819988
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
-206819987
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 206819988 can be divided by 12 positive divisors.
The sum of these divisors (counting 206819988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1100010100111101001010010100
3
Ternary
112102011112200120
4
Quaternary
30110331022110
5
Quinary
410421214423
6
Senary
32304511540
8
Octal
1424751224
10
Decimal
206819988
12
Duodecimal
5931b5b0
16
Hexadecimal
c53d294
20
Vigesimal
34cc9j8
36
Base36
3f4vbo
md5
4a4e6b4d7253bd1e34ad54803195e0b8
sha1
84e735f29f14727d436ee17aba48a261bb550b83
sha256
b22b38ae425bb6d9100fb976a0ff65aa5190cb374a72b515b4f05bbff7612d00
sha512
aa8097d69be38c99fc8277206a940a1334359423fa8785f0319d898e2360a8d403a6370414de16a80de8091d33f97493d3116862d9639352a96dc17bbc9bd9c5
ripemd-160
64b17ca6fac698ef83b1b508fdda86fff248da5d
Diameter
413639976
Circumference
1299488309.8327
Area
1.3438007832287E+17
Volume
3.7056648248232E+25
Surface area
5.3752031329146E+17
Circumference
1299488309.8327
Perimeter
827279952
Area
42774507436320144
Diagonal
292487631.99944
Surface area
256647044617920864
Volume
8.8466231146856E+24
Space diagonal
358222727.23679
Perimeter
620459964
Area
1.852190503711E+16
Altitude
179111363.61839
Surface area
1.852190503711E+16
Volume
1.0425845324993E+24
Height
97495877.333147