20121929 is an odd 8-digits composite number following 20121928
and preceding 20121930 . In scientific notation, it is written as 2.0121929 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 20106240 positive integers (up to 20121929) that are relatively prime to 20121929.
20121929 has 4 divisors, whose sum is 20137620
The reverse of 20121929 is 92912102
Previous prime number is 14281
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred twenty-one thousand nine hundred twenty-nine
Scientific notation
2.0121929 × 10^7
Engineering notation
2.0121929 × 10^6
Prime Factorization
14281 × 1409
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20121929
Product of the distinct prime numbers
The prime factorization of 20121929 is 14281 × 1409.
Since it has a total of 2 prime factors.
10 , 7 , 88 , 45 , 789 , 532 , 9469 , 8666 , 81135 , 88448 , 911161 , 819407 , 6565075 , 1020957 , 99011006 , 77057339 , 474117459 , 675937014 , 1983474981 , 4525344131
n×2
40243858
n×3
60365787
n×4
80487716
n×5
100609645
n÷2
10060964.5
n÷3
6707309.6666667
n÷3
5030482.25
n÷5
4024385.8
n2
404892026681041
n3
8.147208613542E+21
n4
1.6393755326988E+29
n5
3.2987398073303E+36
2 √n
4485.7473178948
3 √n
271.99225486164
4 √n
66.975721854227
5 √n
28.889094029358
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121928
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121929 can be divided by 4 positive divisors.
The sum of these divisors (counting 20121929) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110000100101001001
3
Ternary
1101212022002122
4
Quaternary
1030300211021
5
Quinary
20122400204
6
Senary
1555141025
8
Octal
114604511
10
Decimal
20121929
12
Duodecimal
68a4775
16
Hexadecimal
1330949
20
Vigesimal
65f4g9
36
Base36
bza6h
md5
d44c707af4f458966db4d596a251490a
sha1
f9565615b270bcbc352753998a683b4f74fb4a4a
sha256
51f2f41f0fa9265db375078be974b0e606f630381299651e0edb8fabb7e2c993
sha512
9cb1191d4560e0d59750bbfaac893fa64b91ffb413c70b2d3737d6f950679f5e171b80e3a41ddfe142c9c463c096157ed9d8ed6c533bfdf7908102886e2aaac0
ripemd-160
1ccc713a07e48b4d31c1ddb7b4eda543f1a270fb
Diameter
40243858
Circumference
126429808.64491
Area
1.2720058165182E+15
Volume
3.4126947636756E+22
Surface area
5.088023266073E+15
Circumference
126429808.64491
Perimeter
80487716
Area
404892026681041
Diagonal
28456704.892908
Surface area
2429352160086246
Volume
8.147208613542E+21
Space diagonal
34852203.374294
Perimeter
60365787
Area
1.7532339044777E+14
Altitude
17426101.687147
Surface area
1.7532339044777E+14
Volume
9.6015774306283E+20
Height
9485568.2976362