81401462 is an even 8-digits composite number following 81401461
and preceding 81401463 . In scientific notation, it is written as 8.1401462 × 10^7.
The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors.
There are 38079536 positive integers (up to 81401462) that are relatively prime to 81401462.
81401462 has 24 divisors, whose sum is 130437216
The reverse of 81401462 is 26410418
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighty-one million four hundred one thousand four hundred sixty-two
Scientific notation
8.1401462 × 10^7
Engineering notation
8.1401462 × 10^6
Prime Factorization
2 × 23 × 47 × 23 × 1637
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3539194
Product of the distinct prime numbers
The prime factorization of 81401462 is 2 × 23 × 47 × 23 × 1637.
Since it has a total of 5 prime factors.
3 , 8 , 67 , 80 , 609 , 170 , 6467 , 3519 , 86649 , 43338 , 501636 , 135939 , 7006346 , 3823921 , 17246867 , 4553565 , 919551871 , 5794814 , 494596016 , 8739581433
n×2
162802924
n×3
244204386
n×4
325605848
n×5
407007310
n÷2
40700731
n÷3
27133820.666667
n÷3
20350365.5
n÷5
16280292.4
n2
6626198015737444
n3
5.3938220598253E+23
n4
4.3906500143763E+31
n5
3.5740533030055E+39
2 √n
9022.2758769614
3 √n
433.38851854712
4 √n
94.985661428246
5 √n
38.205548673599
1 , 2 , 23 , 46 , 47 , 94 , 529 , 1058 , 1081 , 1637 , 2162 , 3274 , 24863 , 37651 , 49726 , 75302 , 76939 , 153878 , 865973 , 1731946 , 1769597 , 3539194 , 40700731 , 81401462
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81401461
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81401462 can be divided by 24 positive divisors.
The sum of these divisors (counting 81401462) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110110100001011001110110
3
Ternary
12200011121210222
4
Quaternary
10312201121312
5
Quinary
131314321322
6
Senary
12024414342
8
Octal
466413166
10
Decimal
81401462
12
Duodecimal
233173b2
16
Hexadecimal
4da1676
20
Vigesimal
158f3d2
36
Base36
1cgprq
md5
97bf07898526f483c2d391a53c440432
sha1
76033cfcf7abbc833cf9f591b6422b0119ec22d4
sha256
02b3bf7e3446d5d531de674fdca5a9c3132228b0a0b9d5991631a45d86f8ed69
sha512
5926f766a79dff559370e3f0f27b71701172b5b35c833911c3a7f467bfa0d68cce2afcece5830c9586c97cedf203a564653dce672498c38aa3392ee97c7e3e3a
ripemd-160
797999db834d77a94a8bca3a6b925bf040a398e6
Diameter
162802924
Circumference
511460470.02134
Area
2.0816815007472E+16
Volume
2.2593589010557E+24
Surface area
8.3267260029888E+16
Circumference
511460470.02134
Perimeter
325605848
Area
6626198015737444
Diagonal
115119051.5574
Surface area
39757188094424664
Volume
5.3938220598253E+23
Space diagonal
140991467.99439
Perimeter
244204386
Area
2.8692279060673E+15
Altitude
70495733.997194
Surface area
2.8692279060673E+15
Volume
6.3566802583601E+22
Height
38373017.185799