20121020 is an even 8-digits composite number following 20121019
and preceding 20121021 . In scientific notation, it is written as 2.0121020 × 10^7.
The sum of its digits is 8. It has a total of 5 prime factors and 24 positive divisors.
There are 8028800 positive integers (up to 20121020) that are relatively prime to 20121020.
20121020 has 24 divisors, whose sum is 42357168
The reverse of 20121020 is 02012102
Previous prime number is 521
Is Prime? no
Number parity even
Number length 8
Sum of Digits 8
Digital Root 8
Name
twenty million one hundred twenty-one thousand twenty
Scientific notation
2.0121020 × 10^7
Engineering notation
2.0121020 × 10^6
Prime Factorization
2 × 2 × 5 × 521 × 1931
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10060510
Product of the distinct prime numbers
The prime factorization of 20121020 is 2 × 2 × 5 × 521 × 1931.
Since it has a total of 5 prime factors.
9 , 3 , 14 , 63 , 610 , 646 , 1158 , 3982 , 10700 , 82283 , 913973 , 502539 , 3198986 , 9145292 , 83572626 , 94980044 , 60113412 , 137750980 , 8998628979 , 5442239796
n×2
40242040
n×3
60363060
n×4
80484080
n×5
100605100
n÷2
10060510
n÷3
6707006.6666667
n÷3
5030255
n÷5
4024204
n2
404855445840400
n3
8.1461045228636E+21
n4
1.6390793202663E+29
n5
3.2979947784664E+36
2 √n
4485.6459958405
3 √n
271.98815908662
4 √n
66.97496544113
5 √n
28.888833014015
1 , 2 , 4 , 5 , 10 , 20 , 521 , 1042 , 1931 , 2084 , 2605 , 3862 , 5210 , 7724 , 9655 , 10420 , 19310 , 38620 , 1006051 , 2012102 , 4024204 , 5030255 , 10060510 , 20121020
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121019
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121020 can be divided by 24 positive divisors.
The sum of these divisors (counting 20121020) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110000010110111100
3
Ternary
1101212020211222
4
Quaternary
1030300112330
5
Quinary
20122333040
6
Senary
1555132512
8
Octal
114602674
10
Decimal
20121020
12
Duodecimal
68a4138
16
Hexadecimal
13305bc
20
Vigesimal
65f2b0
36
Base36
bz9h8
md5
f0f019aca4060fcbda60e435b20e068a
sha1
67ac19cf8dd86ace9a94b38719542290d965a83b
sha256
68fc30342909310dae71c41e7db310e4e09e44cf32473b243e0d24806832c218
sha512
cba73c3ee7bec2d296eeeef48331b18c55fe1a02cfee0b44c0650715626f1389fd001a415a45523d6f65073c2071ec53e152ffec82001880e33184cf7abc7d83
ripemd-160
a2be1e87d8b5b86b5abcfac43641c9938d4e7ac4
Diameter
40242040
Circumference
126424097.22947
Area
1.271890894418E+15
Volume
3.4122322832537E+22
Surface area
5.0875635776721E+15
Circumference
126424097.22947
Perimeter
80484080
Area
404855445840400
Diagonal
28455419.37278
Surface area
2429132675042400
Volume
8.1461045228636E+21
Space diagonal
34850628.94011
Perimeter
60363060
Area
1.7530755047913E+14
Altitude
17425314.470055
Surface area
1.7530755047913E+14
Volume
9.6002762472854E+20
Height
9485139.7909268