20307897 is an odd 8-digits composite number following 20307896
and preceding 20307898 . In scientific notation, it is written as 2.0307897 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 13512408 positive integers (up to 20307897) that are relatively prime to 20307897.
20307897 has 12 divisors, whose sum is 29390400
The reverse of 20307897 is 79870302
Previous prime number is 599
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million three hundred seven thousand eight hundred ninety-seven
Scientific notation
2.0307897 × 10^7
Engineering notation
2.0307897 × 10^6
Prime Factorization
3 × 3 × 599 × 3767
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6769299
Product of the distinct prime numbers
The prime factorization of 20307897 is 3 × 3 × 599 × 3767.
Since it has a total of 4 prime factors.
9 , 7 , 15 , 3 , 105 , 864 , 4473 , 1602 , 33359 , 14975 , 525652 , 761740 , 7438526 , 2818936 , 49154405 , 82697004 , 867178869 , 806553964 , 1253024709 , 1758677208
n×2
40615794
n×3
60923691
n×4
81231588
n×5
101539485
n÷2
10153948.5
n÷3
6769299
n÷3
5076974.25
n÷5
4061579.4
n2
412410680562609
n3
8.3751936225654E+21
n4
1.7008256944211E+29
n5
3.4540193017258E+36
2 √n
4506.4284083962
3 √n
272.82760923314
4 √n
67.129936752511
5 √n
28.942296637135
1 , 3 , 9 , 599 , 1797 , 3767 , 5391 , 11301 , 33903 , 2256433 , 6769299 , 20307897
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20307896
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20307897 can be divided by 12 positive divisors.
The sum of these divisors (counting 20307897) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101011101111110111001
3
Ternary
1102012202012100
4
Quaternary
1031131332321
5
Quinary
20144323042
6
Senary
2003134013
8
Octal
115357671
10
Decimal
20307897
12
Duodecimal
6974309
16
Hexadecimal
135dfb9
20
Vigesimal
66i9eh
36
Base36
c39o9
md5
90bc88ba26d56bed98abcebca5ede302
sha1
6b79a15f6e53b6ac8d2a78eb77683899eb4942d9
sha256
ae4a652f61a4ebfca925209bbbf3e1b4ea58c4266bf13dc31a5cf140e20500bb
sha512
d1382b9a1952294bf027dd07139bed22f5120679e960c9ad7c3f489224ce23e5954882763b3e275dd1a20db549c1103f656074ff54e9282abe94a27b67820145
ripemd-160
912626c3ac103df674bf2cdfa42a6f513fdedfe2
Diameter
40615794
Circumference
127598280.05012
Area
1.2956263643175E+15
Volume
3.5081929009391E+22
Surface area
5.1825054572698E+15
Circumference
127598280.05012
Perimeter
81231588
Area
412410680562609
Diagonal
28719703.360676
Surface area
2474464083375654
Volume
8.3751936225654E+21
Space diagonal
35174309.398876
Perimeter
60923691
Area
1.7857906307962E+14
Altitude
17587154.699438
Surface area
1.7857906307962E+14
Volume
9.8702603404438E+20
Height
9573234.4535586