20681738 is an even 8-digits composite number following 20681737
and preceding 20681739 . In scientific notation, it is written as 2.0681738 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 7706160 positive integers (up to 20681738) that are relatively prime to 20681738.
20681738 has 16 divisors, whose sum is 32797440
The reverse of 20681738 is 83718602
Previous prime number is 77
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million six hundred eighty-one thousand seven hundred thirty-eight
Scientific notation
2.0681738 × 10^7
Engineering notation
2.0681738 × 10^6
Prime Factorization
2 × 23 × 77 × 5839
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20681738
Product of the distinct prime numbers
The prime factorization of 20681738 is 2 × 23 × 77 × 5839.
Since it has a total of 4 prime factors.
3 , 7 , 91 , 66 , 373 , 965 , 3649 , 8771 , 31186 , 36406 , 968058 , 750998 , 9776307 , 5025802 , 30809981 , 76511539 , 731334879 , 952231771 , 3543250720 , 9215650465
n×2
41363476
n×3
62045214
n×4
82726952
n×5
103408690
n÷2
10340869
n÷3
6893912.6666667
n÷3
5170434.5
n÷5
4136347.6
n2
427734286700644
n3
8.8462884511596E+21
n4
1.8295662001931E+29
n5
3.7838608806049E+36
2 √n
4547.7178892275
3 √n
274.4915696651
4 √n
67.436769563996
5 √n
29.048078290659
1 , 2 , 23 , 46 , 77 , 154 , 1771 , 3542 , 5839 , 11678 , 134297 , 268594 , 449603 , 899206 , 10340869 , 20681738
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
-20681737
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 20681738 can be divided by 16 positive divisors.
The sum of these divisors (counting 20681738) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111001010000001010
3
Ternary
1102220202000022
4
Quaternary
1032321100022
5
Quinary
20243303423
6
Senary
2015140442
8
Octal
116712012
10
Decimal
20681738
12
Duodecimal
6b14722
16
Hexadecimal
13b940a
20
Vigesimal
69546i
36
Base36
cba4q
md5
550f944591cde54e00e010cdece9d335
sha1
3d35e2d08480b468a826982a1a20a770bf2da649
sha256
c62dfb2c6ade2b602ac06532f7c3e702b90b6c4a91a99e82f537f530ed2ea82a
sha512
2ed83dbdf912fdf7a58c45679c995eabc923264828d22875e2a5ee03b2880ab721dd029f1578ff66985664ef489ff891d3bd0d0e0b66f66f2fd9a87a591be7b1
ripemd-160
2a18f8da9f182ab689b910366f515d99a3f177d2
Diameter
41363476
Circumference
129947192.32854
Area
1.3437668927872E+15
Volume
3.7055246412932E+22
Surface area
5.3750675711489E+15
Circumference
129947192.32854
Perimeter
82726952
Area
427734286700644
Diagonal
29248394.373047
Surface area
2566405720203864
Volume
8.8462884511596E+21
Space diagonal
35821821.004828
Perimeter
62045214
Area
1.8521437917619E+14
Altitude
17910910.502414
Surface area
1.8521437917619E+14
Volume
1.0425450920245E+21
Height
9749464.7910157