20121492 is an even 8-digits composite number following 20121491
and preceding 20121493 . In scientific notation, it is written as 2.0121492 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors.
There are 6695136 positive integers (up to 20121492) that are relatively prime to 20121492.
20121492 has 24 divisors, whose sum is 47034400
The reverse of 20121492 is 29412102
Previous prime number is 739
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred twenty-one thousand four hundred ninety-two
Scientific notation
2.0121492 × 10^7
Engineering notation
2.0121492 × 10^6
Prime Factorization
2 × 2 × 3 × 739 × 2269
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10060746
Product of the distinct prime numbers
The prime factorization of 20121492 is 2 × 2 × 3 × 739 × 2269.
Since it has a total of 5 prime factors.
3 , 8 , 24 , 85 , 886 , 496 , 8341 , 1944 , 91929 , 20797 , 681356 , 311493 , 8323046 , 7867372 , 8662950 , 43612941 , 941825704 , 260405424 , 3783407778 , 5902192599
n×2
40242984
n×3
60364476
n×4
80485968
n×5
100607460
n÷2
10060746
n÷3
6707164
n÷3
5030373
n÷5
4024298.4
n2
404874440306064
n3
8.1466778116229E+21
n4
1.6392331241315E+29
n5
3.2983816193347E+36
2 √n
4485.6986077979
3 √n
271.99028584108
4 √n
66.975358213285
5 √n
28.888968547911
1 , 2 , 3 , 4 , 6 , 12 , 739 , 1478 , 2217 , 2269 , 2956 , 4434 , 4538 , 6807 , 8868 , 9076 , 13614 , 27228 , 1676791 , 3353582 , 5030373 , 6707164 , 10060746 , 20121492
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
-20121491
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 20121492 can be divided by 24 positive divisors.
The sum of these divisors (counting 20121492) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110000011110010100
3
Ternary
1101212021111110
4
Quaternary
1030300132110
5
Quinary
20122341432
6
Senary
1555135020
8
Octal
114603624
10
Decimal
20121492
12
Duodecimal
68a4470
16
Hexadecimal
1330794
20
Vigesimal
65f3ec
36
Base36
bz9uc
md5
14a5c4a8bfef60c6f9c3c12f1e855c8f
sha1
c3a95f8f760cb27f5a928f631c32faab6fd1d244
sha256
e1638e83f30feba0e891efc9137c3a87b3b2409a7156b1a8e678915541d343b9
sha512
768fa2665fb5cff3409c5cdbcf00f2aa770b2a78661645bf35f54e179c4477f49140b445e5903c27afb4801aebf05f8eb46d88b92440ef346fb1a9cd7edecf74
ripemd-160
660fd23bfc98832ae2b4c541fcea66aaf86bc6b6
Diameter
40242984
Circumference
126427062.89293
Area
1.2719505672918E+15
Volume
3.4124724218877E+22
Surface area
5.0878022691672E+15
Circumference
126427062.89293
Perimeter
80485968
Area
404874440306064
Diagonal
28456086.881582
Surface area
2429246641836384
Volume
8.1466778116229E+21
Space diagonal
34851446.468091
Perimeter
60364476
Area
1.7531577532403E+14
Altitude
17425723.234045
Surface area
1.7531577532403E+14
Volume
9.6009518745676E+20
Height
9485362.2938606