81738962 is an even 8-digits composite number following 81738961
and preceding 81738963 . In scientific notation, it is written as 8.1738962 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 40869480 positive integers (up to 81738962) that are relatively prime to 81738962.
81738962 has 4 divisors, whose sum is 122608446
The reverse of 81738962 is 26983718
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
eighty-one million seven hundred thirty-eight thousand nine hundred sixty-two
Scientific notation
8.1738962 × 10^7
Engineering notation
8.1738962 × 10^6
Prime Factorization
2 × 40869481
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81738962
Product of the distinct prime numbers
The prime factorization of 81738962 is 2 × 40869481.
Since it has a total of 2 prime factors.
1 , 9 , 34 , 99 , 661 , 207 , 5881 , 6507 , 70900 , 88679 , 124103 , 742092 , 3062897 , 3475894 , 38875224 , 90580503 , 811867945 , 551408835 , 4562913409 , 5645555852
n×2
163477924
n×3
245216886
n×4
326955848
n×5
408694810
n÷2
40869481
n÷3
27246320.666667
n÷3
20434740.5
n÷5
16347792.4
n2
6681257908837444
n3
5.4611908632266E+23
n4
4.4639207244403E+31
n5
3.6487624646604E+39
2 √n
9040.960236612
3 √n
433.98665252331
4 √n
95.083964140185
5 √n
38.237177199115
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
-81738961
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 81738962 can be divided by 4 positive divisors.
The sum of these divisors (counting 81738962) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110111110011110011010010
3
Ternary
12200210202202222
4
Quaternary
10313303303102
5
Quinary
131411121322
6
Senary
12035541042
8
Octal
467636322
10
Decimal
81738962
12
Duodecimal
2345a782
16
Hexadecimal
4df3cd2
20
Vigesimal
15ah782
36
Base36
1cny6q
md5
9a8ed585df062f73e98b7c507baed27c
sha1
824c5192c1a61ae1b73b9a2b5c26609bf601b0b4
sha256
21d729a614a52507689f9ec25bd289b5c676264a18d10bf222c9c4f796627419
sha512
360d356f3fe0257606c8df2a6127aacaf13eadb10be157626754b63121b46cbe74a273b1641137bd742e81b43a733f173ad8a240dc89dd327dc0759f7df9c86d
ripemd-160
a372baca8730a20d263242936971b839d737cc19
Diameter
163477924
Circumference
513581045.06251
Area
2.0989790763142E+16
Volume
2.2875782794353E+24
Surface area
8.395916305257E+16
Circumference
513581045.06251
Perimeter
326955848
Area
6681257908837444
Diagonal
115596348.6347
Surface area
40087547453024664
Volume
5.4611908632266E+23
Space diagonal
141576035.14194
Perimeter
245216886
Area
2.8930695391445E+15
Altitude
70788017.570971
Surface area
2.8930695391445E+15
Volume
6.4360751545693E+22
Height
38532116.211566