20121992 is an even 8-digits composite number following 20121991
and preceding 20121993 . In scientific notation, it is written as 2.0121992 × 10^7.
The sum of its digits is 26. It has a total of 6 prime factors and 32 positive divisors.
There are 9056640 positive integers (up to 20121992) that are relatively prime to 20121992.
20121992 has 32 divisors, whose sum is 41562720
The reverse of 20121992 is 29912102
Previous prime number is 107
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred twenty-one thousand nine hundred ninety-two
Scientific notation
2.0121992 × 10^7
Engineering notation
2.0121992 × 10^6
Prime Factorization
2 × 2 × 2 × 11 × 107 × 2137
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5030498
Product of the distinct prime numbers
The prime factorization of 20121992 is 2 × 2 × 2 × 11 × 107 × 2137.
Since it has a total of 6 prime factors.
10 , 7 , 93 , 19 , 470 , 717 , 6325 , 2389 , 86534 , 36199 , 620218 , 95043 , 5775726 , 5313981 , 83912257 , 96336902 , 22928936 , 339247325 , 3154987948 , 3012854900
n×2
40243984
n×3
60365976
n×4
80487968
n×5
100609960
n÷2
10060996
n÷3
6707330.6666667
n÷3
5030498
n÷5
4024398.4
n2
404894562048064
n3
8.1472851383746E+21
n4
1.6393960637609E+29
n5
3.2987914479829E+36
2 √n
4485.7543401305
3 √n
271.99253872267
4 √n
66.975774277947
5 √n
28.88911211918
1 , 2 , 4 , 8 , 11 , 22 , 44 , 88 , 107 , 214 , 428 , 856 , 1177 , 2137 , 2354 , 4274 , 4708 , 8548 , 9416 , 17096 , 23507 , 47014 , 94028 , 188056 , 228659 , 457318 , 914636 , 1829272 , 2515249 , 5030498 , 10060996 , 20121992
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121991
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121992 can be divided by 32 positive divisors.
The sum of these divisors (counting 20121992) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110000100110001000
3
Ternary
1101212022011222
4
Quaternary
1030300212020
5
Quinary
20122400432
6
Senary
1555141212
8
Octal
114604610
10
Decimal
20121992
12
Duodecimal
68a4808
16
Hexadecimal
1330988
20
Vigesimal
65f4jc
36
Base36
bza88
md5
622d0e4dc94003ae94e4200b7b917a0a
sha1
e39040a15f4aff8b246af2d01dee9406a81f27de
sha256
50b7d4a94d23a1cc387385b902efe8a2edd6b5c8d68c861b3331337616f7722d
sha512
926cc414babbdb88bc79c893677a59165ab8edbcb03bcf162d6c51df9e4706bf9444f319bc7c72be9a2a0692b7024fecc48ec46427c7aa57be29b5412a481cb0
ripemd-160
f33d90916968d85ad70bcaac59da14624cfdd402
Diameter
40243984
Circumference
126430204.48559
Area
1.2720137816087E+15
Volume
3.4127268183225E+22
Surface area
5.0880551264346E+15
Circumference
126430204.48559
Perimeter
80487968
Area
404894562048064
Diagonal
28456793.988363
Surface area
2429367372288384
Volume
8.1472851383746E+21
Space diagonal
34852312.493494
Perimeter
60365976
Area
1.753244882939E+14
Altitude
17426156.246747
Surface area
1.753244882939E+14
Volume
9.6016676160085E+20
Height
9485597.996121