20051681 is an odd 8-digits composite number following 20051680
and preceding 20051682 . In scientific notation, it is written as 2.0051681 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 18186480 positive integers (up to 20051681) that are relatively prime to 20051681.
20051681 has 8 divisors, whose sum is 20522400
The reverse of 20051681 is 18615002
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million fifty-one thousand six hundred eighty-one
Scientific notation
2.0051681 × 10^7
Engineering notation
2.0051681 × 10^6
Prime Factorization
169 × 59 × 2011
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20051681
Product of the distinct prime numbers
The prime factorization of 20051681 is 169 × 59 × 2011.
Since it has a total of 3 prime factors.
7 , 9 , 35 , 60 , 437 , 925 , 1333 , 8639 , 40966 , 27359 , 992330 , 663185 , 6008116 , 5931597 , 46247835 , 49818511 , 466473994 , 853639567 , 140300731 , 5234480392
n×2
40103362
n×3
60155043
n×4
80206724
n×5
100258405
n÷2
10025840.5
n÷3
6683893.6666667
n÷3
5012920.25
n÷5
4010336.2
n2
402069910925761
n3
8.0621775935818E+21
n4
1.6166021327185E+29
n5
3.2415590269191E+36
2 √n
4477.9103385396
3 √n
271.6753669204
4 √n
66.917190157236
5 √n
28.868894763389
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20051680
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20051681 can be divided by 8 positive divisors.
The sum of these divisors (counting 20051681) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100011111011011100001
3
Ternary
1101201201201212
4
Quaternary
1030133123201
5
Quinary
20113123211
6
Senary
1553435505
8
Octal
114373341
10
Decimal
20051681
12
Duodecimal
686bb95
16
Hexadecimal
131f6e1
20
Vigesimal
656941
36
Base36
bxrz5
md5
8104a68a3a2c8802a8fe1b27e704a5ea
sha1
2eac2923074370cd3ff67b42e86bf6e40a2f7dd3
sha256
2f097eae3891bccfe937e2e7d8fd38c4e81d7228c6f0c2eead757048f2997601
sha512
d9303e834846190c8577c8aaf16f035a02e63617051cc8cdd4ffb915dea45feb736034da7a1636540a42e22b7a046a14c656c092b0f095afeae83f8d401fdbfa
ripemd-160
b658e5abecf79a120925ab04f5f4a118bab1a93f
Diameter
40103362
Circumference
125988427.44345
Area
1.2631398783939E+15
Volume
3.3770770533244E+22
Surface area
5.0525595135755E+15
Circumference
125988427.44345
Perimeter
80206724
Area
402069910925761
Diagonal
28357359.218579
Surface area
2412419465554566
Volume
8.0621775935818E+21
Space diagonal
34730530.269164
Perimeter
60155043
Area
1.7410137847953E+14
Altitude
17365265.134582
Surface area
1.7410137847953E+14
Volume
9.5013674125865E+20
Height
9452453.0728596