20121548 is an even 8-digits composite number following 20121547
and preceding 20121549 . In scientific notation, it is written as 2.0121548 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 10034640 positive integers (up to 20121548) that are relatively prime to 20121548.
20121548 has 12 divisors, whose sum is 35304192
The reverse of 20121548 is 84512102
Previous prime number is 397
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred twenty-one thousand five hundred forty-eight
Scientific notation
2.0121548 × 10^7
Engineering notation
2.0121548 × 10^6
Prime Factorization
2 × 2 × 397 × 12671
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10060774
Product of the distinct prime numbers
The prime factorization of 20121548 is 2 × 2 × 397 × 12671.
Since it has a total of 4 prime factors.
3 , 7 , 98 , 41 , 568 , 713 , 7788 , 291 , 70438 , 18901 , 157934 , 676264 , 1338454 , 2804086 , 78595460 , 34453591 , 697641041 , 157073543 , 1629695160 , 5355029833
n×2
40243096
n×3
60364644
n×4
80486192
n×5
100607740
n÷2
10060774
n÷3
6707182.6666667
n÷3
5030387
n÷5
4024309.6
n2
404876693916304
n3
8.1467458307182E+21
n4
1.639251372766E+29
n5
3.2984275181176E+36
2 √n
4485.7048498536
3 √n
271.99053816567
4 √n
66.975404812913
5 √n
28.888984628035
1 , 2 , 4 , 397 , 794 , 1588 , 12671 , 25342 , 50684 , 5030387 , 10060774 , 20121548
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121547
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121548 can be divided by 12 positive divisors.
The sum of these divisors (counting 20121548) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110000011111001100
3
Ternary
1101212021120112
4
Quaternary
1030300133030
5
Quinary
20122342143
6
Senary
1555135152
8
Octal
114603714
10
Decimal
20121548
12
Duodecimal
68a44b8
16
Hexadecimal
13307cc
20
Vigesimal
65f3h8
36
Base36
bz9vw
md5
73364b8c145c5b7fbd94a5833bc5c6d7
sha1
833e817aaab826286873e402cfdc9ee33b889b1f
sha256
742b31b6c369e6daed64d537a807a6265224d8c4e77dd3174e524b709050982f
sha512
1d74693674b63b1a61b42400d109042edd7ff7798b85dba37c673ddf16280489226faf58f64cecf86704d571e49930534165dcda0a478a645aed53173d04a0d6
ripemd-160
fc8e17a1f9ed94b8d22ee1d90c0bb76deec95057
Diameter
40243096
Circumference
126427414.75131
Area
1.2719576472172E+15
Volume
3.4125009136597E+22
Surface area
5.0878305888687E+15
Circumference
126427414.75131
Perimeter
80486192
Area
404876693916304
Diagonal
28456166.077541
Surface area
2429260163497824
Volume
8.1467458307182E+21
Space diagonal
34851543.462936
Perimeter
60364644
Area
1.7531675116589E+14
Altitude
17425771.731468
Surface area
1.7531675116589E+14
Volume
9.6010320358401E+20
Height
9485388.6925137