20121679 is an odd 8-digits composite number following 20121678
and preceding 20121680 . In scientific notation, it is written as 2.0121679 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 19427800 positive integers (up to 20121679) that are relatively prime to 20121679.
20121679 has 4 divisors, whose sum is 20815560
The reverse of 20121679 is 97612102
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred twenty-one thousand six hundred seventy-nine
Scientific notation
2.0121679 × 10^7
Engineering notation
2.0121679 × 10^6
Prime Factorization
29 × 693851
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20121679
Product of the distinct prime numbers
The prime factorization of 20121679 is 29 × 693851.
Since it has a total of 2 prime factors.
1 , 7 , 13 , 44 , 526 , 960 , 2236 , 7738 , 65087 , 28973 , 981463 , 744808 , 3668084 , 8848304 , 70132586 , 721566 , 65840950 , 846216395 , 2645615031 , 8230066480
n×2
40243358
n×3
60365037
n×4
80486716
n×5
100608395
n÷2
10060839.5
n÷3
6707226.3333333
n÷3
5030419.75
n÷5
4024335.8
n2
404881965779041
n3
8.1469049482948E+21
n4
1.639294062131E+29
n5
3.2985348904806E+36
2 √n
4485.7194517714
3 √n
271.99112842316
4 √n
66.975513822377
5 √n
28.8890222439
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
-20121678
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 20121679 can be divided by 4 positive divisors.
The sum of these divisors (counting 20121679) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110000100001001111
3
Ternary
1101212021202101
4
Quaternary
1030300201033
5
Quinary
20122343204
6
Senary
1555135531
8
Octal
114604117
10
Decimal
20121679
12
Duodecimal
68a45a7
16
Hexadecimal
133084f
20
Vigesimal
65f43j
36
Base36
bz9zj
md5
192bd5f6ff0ea6ddb801830be9b17328
sha1
aea2cbe4c325a10143309da7232686df517eb2a5
sha256
66568922c49861f5e28ddd8d59139c632923ecd31457f312c3b562b33b65bc1b
sha512
31903b981ddf544c6d219047fb5f2dd9352b643d2e1d9d27c86772265acf1b721f17aa08c24540a8babace0d56059e00095421fef55caa1b7bcf393b425d2a37
ripemd-160
9186608f89a3f475e361adcf1a2b5c320e2848a3
Diameter
40243358
Circumference
126428237.84858
Area
1.2719742092624E+15
Volume
3.4125675646743E+22
Surface area
5.0878968370497E+15
Circumference
126428237.84858
Perimeter
80486716
Area
404881965779041
Diagonal
28456351.339518
Surface area
2429291794674246
Volume
8.1469049482948E+21
Space diagonal
34851770.361592
Perimeter
60365037
Area
1.7531903394942E+14
Altitude
17425885.180796
Surface area
1.7531903394942E+14
Volume
9.6012195577025E+20
Height
9485450.446506