20186949 is an odd 8-digits composite number following 20186948
and preceding 20186950 . In scientific notation, it is written as 2.0186949 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 12585456 positive integers (up to 20186949) that are relatively prime to 20186949.
20186949 has 16 divisors, whose sum is 28697600
The reverse of 20186949 is 94968102
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million one hundred eighty-six thousand nine hundred forty-nine
Scientific notation
2.0186949 × 10^7
Engineering notation
2.0186949 × 10^6
Prime Factorization
3 × 79 × 19 × 4483
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20186949
Product of the distinct prime numbers
The prime factorization of 20186949 is 3 × 79 × 19 × 4483.
Since it has a total of 4 prime factors.
1 , 5 , 36 , 51 , 394 , 831 , 1283 , 4590 , 12171 , 57362 , 521029 , 190624 , 3419075 , 6155246 , 59484053 , 78524630 , 281285632 , 668373397 , 7216850390 , 5068492646
n×2
40373898
n×3
60560847
n×4
80747796
n×5
100934745
n÷2
10093474.5
n÷3
6728983
n÷3
5046737.25
n÷5
4037389.8
n2
407512909928601
n3
8.2264423295703E+21
n4
1.6606677175848E+29
n5
3.352381452083E+36
2 √n
4492.9888715642
3 √n
272.28490278296
4 √n
67.029761088372
5 √n
28.907739813869
1 , 3 , 19 , 57 , 79 , 237 , 1501 , 4483 , 4503 , 13449 , 85177 , 255531 , 354157 , 1062471 , 6728983 , 20186949
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20186948
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20186949 can be divided by 16 positive divisors.
The sum of these divisors (counting 20186949) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000000011101000101
3
Ternary
1101222121021210
4
Quaternary
1031000131011
5
Quinary
20131440244
6
Senary
2000402033
8
Octal
115003505
10
Decimal
20186949
12
Duodecimal
6916319
16
Hexadecimal
1340745
20
Vigesimal
663779
36
Base36
c0ocl
md5
f79147a71112a126693f4e8578cc0a34
sha1
898bfc8db6a6c7a9aacbd8eb6ceaca280a19a052
sha256
00323847a1462b3537043feb87ed93bc15018240038c5479ecb52a1e2b00c48a
sha512
2ac824f8c7b6b10563533e1d9bf791c9a093040656611d3addf59f3a597e0308498689c6ac08724655784fe45f7c4cae5685f21a03549b3e0123a5e430905afa
ripemd-160
aee5194396f8ea2a517520cd56c31b9e03d642bb
Diameter
40373898
Circumference
126838341.35358
Area
1.2802395640747E+15
Volume
3.4458841050344E+22
Surface area
5.1209582562988E+15
Circumference
126838341.35358
Perimeter
80747796
Area
407512909928601
Diagonal
28548657.058734
Surface area
2445077459571606
Volume
8.2264423295703E+21
Space diagonal
34964821.317802
Perimeter
60560847
Area
1.7645826618414E+14
Altitude
17482410.658901
Surface area
1.7645826618414E+14
Volume
9.6949552604653E+20
Height
9516219.019578