20081497 is an odd 8-digits composite number following 20081496
and preceding 20081498 . In scientific notation, it is written as 2.0081497 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 19706400 positive integers (up to 20081497) that are relatively prime to 20081497.
20081497 has 8 divisors, whose sum is 20459520
The reverse of 20081497 is 79418002
Previous prime number is 239
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million eighty-one thousand four hundred ninety-seven
Scientific notation
2.0081497 × 10^7
Engineering notation
2.0081497 × 10^6
Prime Factorization
73 × 239 × 1151
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20081497
Product of the distinct prime numbers
The prime factorization of 20081497 is 73 × 239 × 1151.
Since it has a total of 3 prime factors.
4 , 8 , 66 , 87 , 374 , 969 , 7640 , 5863 , 94834 , 77575 , 79574 , 904907 , 8195795 , 6194332 , 99529100 , 4348123 , 123282185 , 339121552 , 8936898274 , 8427040344
n×2
40162994
n×3
60244491
n×4
80325988
n×5
100407485
n÷2
10040748.5
n÷3
6693832.3333333
n÷3
5020374.25
n÷5
4016299.4
n2
403266521761009
n3
8.0981954469441E+21
n4
1.6262388757322E+29
n5
3.26573111043E+36
2 √n
4481.2383333181
3 √n
271.80995681892
4 √n
66.942052054879
5 √n
28.877475026161
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
-20081496
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 20081497 can be divided by 8 positive divisors.
The sum of these divisors (counting 20081497) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100100110101101011001
3
Ternary
1101210020122011
4
Quaternary
1030212231121
5
Quinary
20120101442
6
Senary
1554225521
8
Octal
114465531
10
Decimal
20081497
12
Duodecimal
68852a1
16
Hexadecimal
1326b59
20
Vigesimal
65a3eh
36
Base36
byezd
md5
b8cf01941ee74ad8a0ea28c4e6346a6e
sha1
2bbf54bb7a391a3d77975154a0cd548a5068a116
sha256
b45d69aa8a044dec6e292c392886b58ddb4b9718ff4aa5690706af7eedc4b198
sha512
d99221b88bb7499a1ab51ed64367a4002d21158d096e6e7328c65b99d1e2a1bd35d14be3f573a5da488ec8bbe6704d767e45a61cf38f340854f51a9c69b5aed0
ripemd-160
0c7a96ea5dff158f87aa35d759f4467a056bdfef
Diameter
40162994
Circumference
126175766.89657
Area
1.2668991422031E+15
Volume
3.3921641764605E+22
Surface area
5.0675965688124E+15
Circumference
126175766.89657
Perimeter
80325988
Area
403266521761009
Diagonal
28399525.410155
Surface area
2419599130566054
Volume
8.0981954469441E+21
Space diagonal
34782173.096042
Perimeter
60244491
Area
1.7461952617041E+14
Altitude
17391086.548021
Surface area
1.7461952617041E+14
Volume
9.543814859847E+20
Height
9466508.4700515