20121729 is an odd 8-digits composite number following 20121728
and preceding 20121730 . In scientific notation, it is written as 2.0121729 × 10^7.
The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors.
There are 13414484 positive integers (up to 20121729) that are relatively prime to 20121729.
20121729 has 4 divisors, whose sum is 26828976
The reverse of 20121729 is 92712102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred twenty-one thousand seven hundred twenty-nine
Scientific notation
2.0121729 × 10^7
Engineering notation
2.0121729 × 10^6
Prime Factorization
3 × 6707243
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20121729
Product of the distinct prime numbers
The prime factorization of 20121729 is 3 × 6707243.
Since it has a total of 2 prime factors.
10 , 8 , 94 , 52 , 110 , 465 , 8918 , 1923 , 50841 , 20686 , 663298 , 313804 , 7799665 , 6768931 , 84241966 , 22439592 , 435966160 , 738001245 , 8598842309 , 2890258753
n×2
40243458
n×3
60365187
n×4
80486916
n×5
100608645
n÷2
10060864.5
n÷3
6707243
n÷3
5030432.25
n÷5
4024345.8
n2
404883977949441
n3
8.1469656807406E+21
n4
1.6393103560016E+29
n5
3.2985758730358E+36
2 √n
4485.7250250099
3 √n
271.9913537116
4 √n
66.975555428902
5 √n
28.889036601049
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
-20121728
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 20121729 can be divided by 4 positive divisors.
The sum of these divisors (counting 20121729) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110000100010000001
3
Ternary
1101212021211020
4
Quaternary
1030300202001
5
Quinary
20122343404
6
Senary
1555140053
8
Octal
114604201
10
Decimal
20121729
12
Duodecimal
68a4629
16
Hexadecimal
1330881
20
Vigesimal
65f469
36
Base36
bza0x
md5
5031cfe4cafb083ec2c48d500cc76243
sha1
e960c5149f8368586db3f6e4723b4eb480aa856a
sha256
d82d0687f4be73487bb20542255243dfb57d74ed6e6c8bf4a7a1d8c424311b95
sha512
aabb28314c8de593b6344b9dd2b2642b9734f5596ebd5864207f52094aa16b366e9600d6d534c5836aea64253d575463be38454aa06360af44b1aca2b02dc4ae
ripemd-160
bfe7b65c0a82f2c6c1d118acfed8ee3a39ce81c7
Diameter
40243458
Circumference
126428552.00785
Area
1.2719805306822E+15
Volume
3.4125930042217E+22
Surface area
5.0879221227287E+15
Circumference
126428552.00785
Perimeter
80486916
Area
404883977949441
Diagonal
28456422.050196
Surface area
2429303867696646
Volume
8.1469656807406E+21
Space diagonal
34851856.964132
Perimeter
60365187
Area
1.7531990524476E+14
Altitude
17425928.482066
Surface area
1.7531990524476E+14
Volume
9.6012911315763E+20
Height
9485474.016732