81197002 is an even 8-digits composite number following 81197001
and preceding 81197003 . In scientific notation, it is written as 8.1197002 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 40598500 positive integers (up to 81197002) that are relatively prime to 81197002.
81197002 has 4 divisors, whose sum is 121795506
The reverse of 81197002 is 20079118
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighty-one million one hundred ninety-seven thousand two
Scientific notation
8.1197002 × 10^7
Engineering notation
8.1197002 × 10^6
Prime Factorization
2 × 40598501
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81197002
Product of the distinct prime numbers
The prime factorization of 81197002 is 2 × 40598501.
Since it has a total of 2 prime factors.
1 , 6 , 74 , 12 , 126 , 810 , 436 , 4110 , 83059 , 94507 , 529136 , 74154 , 2925695 , 5555051 , 30012075 , 6460738 , 4207240 , 808941785 , 9686036697 , 3912773631
n×2
162394004
n×3
243591006
n×4
324788008
n×5
405985010
n÷2
40598501
n÷3
27065667.333333
n÷3
20299250.5
n÷5
16239400.4
n2
6592953133788004
n3
5.3532802879009E+23
n4
4.3467031024325E+31
n5
3.5293926050162E+39
2 √n
9010.9379090081
3 √n
433.02536000256
4 √n
94.925960142672
5 √n
38.186336815842
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81197001
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81197002 can be divided by 4 positive divisors.
The sum of these divisors (counting 81197002) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110101101111011111001010
3
Ternary
12122210020100101
4
Quaternary
10311233133022
5
Quinary
131241301002
6
Senary
12020200014
8
Octal
465573712
10
Decimal
81197002
12
Duodecimal
2323900a
16
Hexadecimal
4d6f7ca
20
Vigesimal
1579ca2
36
Base36
1ccc0a
md5
5c0673494f89984e2874ef851ce74a20
sha1
3b295dc655941e6a862983430cd83eb0d0a0efdf
sha256
c7f75809aa24a64c49df11e2f59b7adbaa8c0979be58348ab028af78b5e003ff
sha512
1f53aec9b9a6b483d5cb43e0201236d67a8f1583bbe3e7c93bc73180c4bc201afbcc30ea7d0da11e0779dd6912dd72c763d8499b0926306d66d213c61f0825dd
ripemd-160
fbf7c3cca0b4f1d6b782a5557cd2478e17567edd
Diameter
162394004
Circumference
510175809.95343
Area
2.071237313057E+16
Volume
2.2423768033435E+24
Surface area
8.2849492522281E+16
Circumference
510175809.95343
Perimeter
324788008
Area
6592953133788004
Diagonal
114829901.45244
Surface area
39557718802728024
Volume
5.3532802879009E+23
Space diagonal
140637332.88627
Perimeter
243591006
Area
2.8548324499103E+15
Altitude
70318666.443136
Surface area
2.8548324499103E+15
Volume
6.308901321945E+22
Height
38276633.817478