20681297 is an odd 8-digits composite number following 20681296
and preceding 20681298 . In scientific notation, it is written as 2.0681297 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 16363152 positive integers (up to 20681297) that are relatively prime to 20681297.
20681297 has 8 divisors, whose sum is 25454016
The reverse of 20681297 is 79218602
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million six hundred eighty-one thousand two hundred ninety-seven
Scientific notation
2.0681297 × 10^7
Engineering notation
2.0681297 × 10^6
Prime Factorization
7 × 13 × 227267
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20681297
Product of the distinct prime numbers
The prime factorization of 20681297 is 7 × 13 × 227267.
Since it has a total of 3 prime factors.
10 , 3 , 55 , 26 , 920 , 910 , 3659 , 297 , 13047 , 98223 , 973519 , 805410 , 4685266 , 2687437 , 45725430 , 48401453 , 493101644 , 191855056 , 5018281864 , 2562247027
n×2
41362594
n×3
62043891
n×4
82725188
n×5
103406485
n÷2
10340648.5
n÷3
6893765.6666667
n÷3
5170324.25
n÷5
4136259.4
n2
427716045602209
n3
8.8457225707648E+21
n4
1.8294101566559E+29
n5
3.7834574784617E+36
2 √n
4547.6694031119
3 √n
274.48961864205
4 √n
67.436410069872
5 √n
29.047954410241
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
-20681296
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 20681297 can be divided by 8 positive divisors.
The sum of these divisors (counting 20681297) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111001001001010001
3
Ternary
1102220201101222
4
Quaternary
1032321021101
5
Quinary
20243300142
6
Senary
2015134425
8
Octal
116711121
10
Decimal
20681297
12
Duodecimal
6b14415
16
Hexadecimal
13b9251
20
Vigesimal
69534h
36
Base36
cb9sh
md5
b46354861a9a7c38465b86baf1b4a4a8
sha1
83f716321ae21ecae67b5bbf3c1dc5db4e02b5bd
sha256
6daf36ea17f0d2c9660ec5b3347d0ecafd027541e949366a8ec13fb06f37cf26
sha512
b9144b7ebb94a9fd7698ef905b493096b2bc91d9a4cac794e005e3221f74e946781d315375f2b542a0557b422742671e3f14e5670f71f05b859a071baf59a32c
ripemd-160
dabb646972eecdcad95a68ac7ca2e0a2b592f99b
Diameter
41362594
Circumference
129944421.44382
Area
1.3437095866864E+15
Volume
3.7052876058678E+22
Surface area
5.3748383467455E+15
Circumference
129944421.44382
Perimeter
82725188
Area
427716045602209
Diagonal
29247770.704866
Surface area
2566296273613254
Volume
8.8457225707648E+21
Space diagonal
35821057.170422
Perimeter
62043891
Area
1.8520648054887E+14
Altitude
17910528.585211
Surface area
1.8520648054887E+14
Volume
1.0424784023805E+21
Height
9749256.901622