20121944 is an even 8-digits composite number following 20121943
and preceding 20121945 . In scientific notation, it is written as 2.0121944 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 16 positive divisors.
There are 10030752 positive integers (up to 20121944) that are relatively prime to 20121944.
20121944 has 16 divisors, whose sum is 37842000
The reverse of 20121944 is 44912102
Previous prime number is 349
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred twenty-one thousand nine hundred forty-four
Scientific notation
2.0121944 × 10^7
Engineering notation
2.0121944 × 10^6
Prime Factorization
2 × 2 × 2 × 349 × 7207
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5030486
Product of the distinct prime numbers
The prime factorization of 20121944 is 2 × 2 × 2 × 349 × 7207.
Since it has a total of 5 prime factors.
7 , 8 , 83 , 90 , 945 , 436 , 3658 , 6883 , 41149 , 74205 , 539273 , 227125 , 1366475 , 4975255 , 69232031 , 33947881 , 408772981 , 824786961 , 2687984905 , 877585885
n×2
40243888
n×3
60365832
n×4
80487776
n×5
100609720
n÷2
10060972
n÷3
6707314.6666667
n÷3
5030486
n÷5
4024388.8
n2
404892630339136
n3
8.1472268336968E+21
n4
1.6393804210294E+29
n5
3.2987521026651E+36
2 √n
4485.7489898567
3 √n
271.99232244765
4 √n
66.975734336076
5 √n
28.889098336462
1 , 2 , 4 , 8 , 349 , 698 , 1396 , 2792 , 7207 , 14414 , 28828 , 57656 , 2515243 , 5030486 , 10060972 , 20121944
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121943
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121944 can be divided by 16 positive divisors.
The sum of these divisors (counting 20121944) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110000100101011000
3
Ternary
1101212022010012
4
Quaternary
1030300211120
5
Quinary
20122400234
6
Senary
1555141052
8
Octal
114604530
10
Decimal
20121944
12
Duodecimal
68a4788
16
Hexadecimal
1330958
20
Vigesimal
65f4h4
36
Base36
bza6w
md5
359cb1b8f210016ad048bb6333e7684a
sha1
d185e32312ac7772caa0ea7b0506ee98bd5e85f1
sha256
77f178bb793202dbf2513b7108103515e3cf5c62d1d4396d1bb25cdb4ec75a7d
sha512
2f15f26d2f484c097a12e5d983786f2f9aeefed83fee88bdad649662b9139642f6a508418919499baa05a8c7b230a10f0517f6cb84e1e23822fae24443b1b9ca
ripemd-160
58447ac5999473034959397d547eaf516cf4598f
Diameter
40243888
Circumference
126429902.89269
Area
1.2720077129661E+15
Volume
3.4127023957162E+22
Surface area
5.0880308518643E+15
Circumference
126429902.89269
Perimeter
80487776
Area
404892630339136
Diagonal
28456726.106112
Surface area
2429355782034816
Volume
8.1472268336968E+21
Space diagonal
34852229.355056
Perimeter
60365832
Area
1.753236518394E+14
Altitude
17426114.677528
Surface area
1.753236518394E+14
Volume
9.6015989032867E+20
Height
9485575.368704