20121769 is an odd 8-digits prime number following 20121768
and preceding 20121770 . In scientific notation, it is written as 2.0121769 × 10^7.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 20121768 positive integers (up to 20121769) that are relatively prime to 20121769.
20121769 has 2 divisors, whose sum is 20121770
The reverse of 20121769 is 96712102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred twenty-one thousand seven hundred sixty-nine
Scientific notation
2.0121769 × 10^7
Engineering notation
2.0121769 × 10^6
Prime Factorization
20121769
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20121769
Product of the distinct prime numbers
The prime factorization of 20121769 is 20121769.
Since it has a total of 1 prime factors.
3 , 3 , 18 , 46 , 266 , 201 , 1460 , 3003 , 26252 , 67667 , 300207 , 208575 , 9964652 , 9727870 , 54808251 , 86592099 , 596776564 , 340568540 , 3595976723 , 367592553
n×2
40243538
n×3
60365307
n×4
80487076
n×5
100608845
n÷2
10060884.5
n÷3
6707256.3333333
n÷3
5030442.25
n÷5
4024353.8
n2
404885587689361
n3
8.1470142669146E+21
n4
1.6393233911856E+29
n5
3.2986086593733E+36
2 √n
4485.7294835957
3 √n
271.99153394209
4 √n
66.975588714066
5 √n
28.889048086747
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20121770
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10060885
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4485.7295950603
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999006052
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121769 can be divided by 2 positive divisors.
The sum of these divisors (counting 20121769) is 20121770, the average is 10060885.
Base
System
Value
2
Binary
1001100110000100010101001
3
Ternary
1101212021212201
4
Quaternary
1030300202221
5
Quinary
20122344034
6
Senary
1555140201
8
Octal
114604251
10
Decimal
20121769
12
Duodecimal
68a4661
16
Hexadecimal
13308a9
20
Vigesimal
65f489
36
Base36
bza21
md5
9d7023f5b914bbc3875f980c9f165626
sha1
50b25d750e96caa3cadb2d75aaa55ce4033aa5f5
sha256
e7640f7a1732d3b8df9f2fb2b5904b2c9cf277b35a9dfdea11696e319ac0a386
sha512
2eee34be80d055832641364264bba89568bdd77d0f5cb3a209174ff096df71e9dc909e9bae9e95fd05d4581a8e42767cccdd954727095abfde707e337f89a698
ripemd-160
0b36e741a554ce013521e701331118943b624d36
Diameter
40243538
Circumference
126428803.33526
Area
1.2719855878293E+15
Volume
3.4126133559507E+22
Surface area
5.0879423513171E+15
Circumference
126428803.33526
Perimeter
80487076
Area
404885587689361
Diagonal
28456478.618739
Surface area
2429313526136166
Volume
8.1470142669146E+21
Space diagonal
34851926.246164
Perimeter
60365307
Area
1.7532060228259E+14
Altitude
17425963.123082
Surface area
1.7532060228259E+14
Volume
9.6013483909314E+20
Height
9485492.8729128