209214981 is an odd 9-digits composite number following 209214980
and preceding 209214982 . In scientific notation, it is written as 2.09214981 × 10^8.
The sum of its digits is 36. It has a total of 6 prime factors and 32 positive divisors.
There are 138568320 positive integers (up to 209214981) that are relatively prime to 209214981.
209214981 has 32 divisors, whose sum is 315824640
The reverse of 209214981 is 189412902
Previous prime number is 353
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
two hundred nine million two hundred fourteen thousand nine hundred eighty-one
Scientific notation
2.09214981 × 10^8
Engineering notation
2.09214981 × 10^6
Prime Factorization
3 × 3 × 9 × 27 × 353 × 271
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
69738327
Product of the distinct prime numbers
The prime factorization of 209214981 is 3 × 3 × 9 × 27 × 353 × 271.
Since it has a total of 6 prime factors.
2 , 4 , 53 , 63 , 993 , 76 , 7293 , 7974 , 78157 , 97820 , 982689 , 251723 , 7576874 , 2642441 , 32373022 , 39390632 , 484142873 , 389039347 , 4543371932 , 5940787522
n×2
418429962
n×3
627644943
n×4
836859924
n×5
1046074905
n÷2
104607490.5
n÷3
69738327
n÷3
52303745.25
n÷5
41842996.2
n2
43770908274830361
n3
9.1575297430714E+24
n4
1.9158924112036E+33
n5
4.0083339440801E+41
2 √n
14464.265657129
3 √n
593.65062098877
4 √n
120.267475475
5 √n
46.144352450855
1 , 3 , 9 , 27 , 81 , 243 , 271 , 353 , 729 , 813 , 1059 , 2187 , 2439 , 3177 , 7317 , 9531 , 21951 , 28593 , 65853 , 85779 , 95663 , 197559 , 257337 , 286989 , 592677 , 772011 , 860967 , 2582901 , 7748703 , 23246109 , 69738327 , 209214981
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-209214980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 209214981 can be divided by 32 positive divisors.
The sum of these divisors (counting 209214981) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1100011110000101111000000101
3
Ternary
112120200020000000
4
Quaternary
30132011320011
5
Quinary
412024334411
6
Senary
32432111513
8
Octal
1436057005
10
Decimal
209214981
12
Duodecimal
5a095599
16
Hexadecimal
c785e05
20
Vigesimal
357bh91
36
Base36
3gk7b9
md5
2547044910e3e527b53fa5cf11c65f0d
sha1
c3d6de693659b96cbbee05efd85ede5c19dbaade
sha256
64ff945c7fe2719f004c4cdbe6a1949842094b5bac4775aa7feb33b7f6bed657
sha512
7fd8017e786a7585a6cfd0c109f0c4a5e46a632c1bab50fe3e0e661bad48b58b864e6cf38b1f5395ef3f49286c3718b9bdbf07de8f7c20d1252d1267797c7195
ripemd-160
29dfac396776ec9aaac106223d87b48e57b7693c
Diameter
418429962
Circumference
1314536494.6611
Area
1.3751036387716E+17
Volume
3.8358970887817E+25
Surface area
5.5004145550864E+17
Circumference
1314536494.6611
Perimeter
836859924
Area
43770908274830361
Diagonal
295874663.58183
Surface area
262625449648982166
Volume
9.1575297430714E+24
Space diagonal
362370976.79656
Perimeter
627644943
Area
1.8953359256361E+16
Altitude
181185488.39828
Surface area
1.8953359256361E+16
Volume
1.0792252300405E+24
Height
98624887.86061