20129146 is an even 8-digits composite number following 20129145
and preceding 20129147 . In scientific notation, it is written as 2.0129146 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 9820080 positive integers (up to 20129146) that are relatively prime to 20129146.
20129146 has 16 divisors, whose sum is 30935520
The reverse of 20129146 is 64192102
Previous prime number is 139
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred twenty-nine thousand one hundred forty-six
Scientific notation
2.0129146 × 10^7
Engineering notation
2.0129146 × 10^6
Prime Factorization
2 × 61 × 139 × 1187
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20129146
Product of the distinct prime numbers
The prime factorization of 20129146 is 2 × 61 × 139 × 1187.
Since it has a total of 4 prime factors.
7 , 4 , 64 , 85 , 368 , 377 , 9072 , 7342 , 95281 , 86588 , 342943 , 537291 , 8559299 , 7598545 , 76168681 , 52451475 , 680788630 , 48868108 , 855689087 , 1575093912
n×2
40258292
n×3
60387438
n×4
80516584
n×5
100645730
n÷2
10064573
n÷3
6709715.3333333
n÷3
5032286.5
n÷5
4025829.2
n2
405182518689316
n3
8.155978075345E+21
n4
1.6417287345142E+29
n5
3.3046597389431E+36
2 √n
4486.5516825286
3 √n
272.02476886611
4 √n
66.981726482143
5 √n
28.891166024409
1 , 2 , 61 , 122 , 139 , 278 , 1187 , 2374 , 8479 , 16958 , 72407 , 144814 , 164993 , 329986 , 10064573 , 20129146
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
-20129145
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 20129146 can be divided by 16 positive divisors.
The sum of these divisors (counting 20129146) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110010010101111010
3
Ternary
1101212122222221
4
Quaternary
1030302111322
5
Quinary
20123113041
6
Senary
1555234254
8
Octal
114622572
10
Decimal
20129146
12
Duodecimal
68a898a
16
Hexadecimal
133257a
20
Vigesimal
65g2h6
36
Base36
bzfqy
md5
64310e4043ade03f8127cd2b62b2fff5
sha1
40cfe502db383ef6d964f1236a23f77dfdece2a3
sha256
abc7aea3e7a6983eaab41b5db77060bc985957145f812f1adb21245b0e9a7780
sha512
366fd0b4cb8d115d1608995111f2e363859f38af1f700b1723af44ddab8a35d88456a48aa8f82c44b613dfce97102b341e955c54beae1367a560db7c313d9c79
ripemd-160
7e6eec8dd66445ccdedfec85e41db3fb7f24e257
Diameter
40258292
Circumference
126475154.39327
Area
1.2729184240774E+15
Volume
3.4163681072458E+22
Surface area
5.0916736963095E+15
Circumference
126475154.39327
Perimeter
80516584
Area
405182518689316
Diagonal
28466911.272188
Surface area
2431095112135896
Volume
8.155978075345E+21
Space diagonal
34864703.584972
Perimeter
60387438
Area
1.7544917717716E+14
Altitude
17432351.792486
Surface area
1.7544917717716E+14
Volume
9.6119123404754E+20
Height
9488970.4240627