81125610 is an even 8-digits composite number following 81125609
and preceding 81125611 . In scientific notation, it is written as 8.1125610 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 21310080 positive integers (up to 81125610) that are relatively prime to 81125610.
81125610 has 16 divisors, whose sum is 131741568
The reverse of 81125610 is 01652118
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
eighty-one million one hundred twenty-five thousand six hundred ten
Scientific notation
8.1125610 × 10^7
Engineering notation
8.1125610 × 10^6
Prime Factorization
2 × 15 × 67 × 40361
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81125610
Product of the distinct prime numbers
The prime factorization of 81125610 is 2 × 15 × 67 × 40361.
Since it has a total of 4 prime factors.
10 , 6 , 14 , 29 , 45 , 735 , 9250 , 3626 , 83541 , 79958 , 196057 , 714418 , 8577570 , 1062084 , 48604847 , 28427646 , 375351220 , 109341859 , 8453948823 , 6494101043
n×2
162251220
n×3
243376830
n×4
324502440
n×5
405628050
n÷2
40562805
n÷3
27041870
n÷3
20281402.5
n÷5
16225122
n2
6581364597872100
n3
5.3391721763478E+23
n4
4.3314359970124E+31
n5
3.5139038743359E+39
2 √n
9006.9756300325
3 √n
432.89841109785
4 √n
94.90508748235
5 √n
38.179619429251
1 , 2 , 15 , 30 , 67 , 134 , 1005 , 2010 , 40361 , 80722 , 605415 , 1210830 , 2704187 , 5408374 , 40562805 , 81125610
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81125609
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81125610 can be divided by 16 positive divisors.
The sum of these divisors (counting 81125610) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101011110000011101010
3
Ternary
12122122121102020
4
Quaternary
10311132003222
5
Quinary
131232004420
6
Senary
12014445310
8
Octal
465360352
10
Decimal
81125610
12
Duodecimal
23203836
16
Hexadecimal
4d5e0ea
20
Vigesimal
1570e0a
36
Base36
1casx6
md5
55eb45c7c927b378b5be24e30075af8d
sha1
b612b17216d61ba4e44cafb1063e84d36764de3d
sha256
c08161cb704b17e372207ba0f7b365fed199fca6a48a5619a85a57d78ddca236
sha512
a506fc92975edc23c517343bd55c71a560050df1437a37c7a94271d1ac09a6cc8567d35ed4ffe3a3c84c354b204d2af7297f49de4a1253e89f0376c14d2338d9
ripemd-160
260d160f3a75af86d73b106f391c4822bcb1362d
Diameter
162251220
Circumference
509727240.78798
Area
2.0675966671271E+16
Volume
2.2364672113954E+24
Surface area
8.2703866685084E+16
Circumference
509727240.78798
Perimeter
324502440
Area
6581364597872100
Diagonal
114728937.91779
Surface area
39488187587232600
Volume
5.3391721763478E+23
Space diagonal
140513678.31502
Perimeter
243376830
Area
2.8498144666624E+15
Altitude
70256839.157509
Surface area
2.8498144666624E+15
Volume
6.2922747530301E+22
Height
38242979.30593