20101920 is an even 8-digits composite number following 20101919
and preceding 20101921 . In scientific notation, it is written as 2.0101920 × 10^7.
The sum of its digits is 15. It has a total of 7 prime factors and 24 positive divisors.
There are 5360384 positive integers (up to 20101920) that are relatively prime to 20101920.
20101920 has 24 divisors, whose sum is 42215040
The reverse of 20101920 is 02910102
Previous prime number is 15
Is Prime? no
Number parity even
Number length 8
Sum of Digits 15
Digital Root 6
Name
twenty million one hundred one thousand nine hundred twenty
Scientific notation
2.0101920 × 10^7
Engineering notation
2.0101920 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 15 × 41879
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1256370
Product of the distinct prime numbers
The prime factorization of 20101920 is 2 × 2 × 2 × 2 × 2 × 15 × 41879.
Since it has a total of 7 prime factors.
8 , 8 , 96 , 19 , 446 , 669 , 5578 , 4910 , 6811 , 97091 , 621364 , 193160 , 4440058 , 7699211 , 63988665 , 55769555 , 898616383 , 919641842 , 6299434367 , 4887679733
n×2
40203840
n×3
60305760
n×4
80407680
n×5
100509600
n÷2
10050960
n÷3
6700640
n÷3
5025480
n÷5
4020384
n2
404087187686400
n3
8.122928319897E+21
n4
1.632864552523E+29
n5
3.2823712605654E+36
2 √n
4483.5164770524
3 √n
271.90206970525
4 √n
66.959065682343
5 √n
28.883346350407
1 , 2 , 4 , 8 , 15 , 16 , 30 , 32 , 60 , 120 , 240 , 480 , 41879 , 83758 , 167516 , 335032 , 628185 , 670064 , 1256370 , 1340128 , 2512740 , 5025480 , 10050960 , 20101920
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
-20101919
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 20101920 can be divided by 24 positive divisors.
The sum of these divisors (counting 20101920) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100101011101100100000
3
Ternary
1101211021122120
4
Quaternary
1030223230200
5
Quinary
20121230140
6
Senary
1554504240
8
Octal
114535440
10
Decimal
20101920
12
Duodecimal
6895080
16
Hexadecimal
132bb20
20
Vigesimal
65ceg0
36
Base36
byuqo
md5
52bdb7ae00fe427859924d51acefdc70
sha1
5306b886a4234fd45dbdf2e059d361dd55cbcdfc
sha256
2fb0be15805a104dd3282f7900f9e87285481ef7c1b8d5464d14cc669bc63495
sha512
c63f7afe452d0af78e728345c3552e7e0b2ca7c9f8c2eb79391a15e48cd750647de9a849302654b0c5db174e04433544662d76e1cde869d65ceeefa35f8ad23f
ripemd-160
0abd2dcbb80c3f1af5a0447e4ec9901fbad55579
Diameter
40203840
Circumference
126304088.3901
Area
1.2694773402454E+15
Volume
3.4025242580567E+22
Surface area
5.0779093609814E+15
Circumference
126304088.3901
Perimeter
80407680
Area
404087187686400
Diagonal
28428407.893739
Surface area
2424523126118400
Volume
8.122928319897E+21
Space diagonal
34817546.769685
Perimeter
60305760
Area
1.7497488494012E+14
Altitude
17408773.384842
Surface area
1.7497488494012E+14
Volume
9.5729628301524E+20
Height
9476135.9645797