81610012 is an even 8-digits composite number following 81610011
and preceding 81610013 . In scientific notation, it is written as 8.1610012 × 10^7.
The sum of its digits is 19. It has a total of 5 prime factors and 24 positive divisors.
There are 36092160 positive integers (up to 81610012) that are relatively prime to 81610012.
81610012 has 24 divisors, whose sum is 160014960
The reverse of 81610012 is 21001618
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
eighty-one million six hundred ten thousand twelve
Scientific notation
8.1610012 × 10^7
Engineering notation
8.1610012 × 10^6
Prime Factorization
2 × 2 × 11 × 37 × 50129
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40805006
Product of the distinct prime numbers
The prime factorization of 81610012 is 2 × 2 × 11 × 37 × 50129.
Since it has a total of 5 prime factors.
4 , 3 , 49 , 38 , 920 , 28 , 5229 , 5609 , 27730 , 57034 , 904205 , 614878 , 4440290 , 8119302 , 64318056 , 2295909 , 752629402 , 565804027 , 5337850787 , 7049832675
n×2
163220024
n×3
244830036
n×4
326440048
n×5
408050060
n÷2
40805006
n÷3
27203337.333333
n÷3
20402503
n÷5
16322002.4
n2
6660194058640144
n3
5.4353851704795E+23
n4
4.4358184898745E+31
n5
3.6200720018848E+39
2 √n
9033.8259890259
3 √n
433.75831574719
4 √n
95.046441222309
5 √n
38.225105114388
1 , 2 , 4 , 11 , 22 , 37 , 44 , 74 , 148 , 407 , 814 , 1628 , 50129 , 100258 , 200516 , 551419 , 1102838 , 1854773 , 2205676 , 3709546 , 7419092 , 20402503 , 40805006 , 81610012
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
-81610011
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 81610012 can be divided by 24 positive divisors.
The sum of these divisors (counting 81610012) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110111010100010100011100
3
Ternary
12200120012220001
4
Quaternary
10313110110130
5
Quinary
131343010022
6
Senary
12033104044
8
Octal
467242434
10
Decimal
81610012
12
Duodecimal
233b8024
16
Hexadecimal
4dd451c
20
Vigesimal
15a150c
36
Base36
1cl6os
md5
99ee965e4a63ce476fefe8be9b62b2b2
sha1
d202eb2210c176bddcdd8c4ef8e6a8a7a5e34bc0
sha256
fa3160ecaa31f04f382a367a90e7cc140188b1b2e29ac3e86090800316a0039b
sha512
5de3286c4431510a608ff34a585c4ab4c076ef013e673c7a975bc1b7ed5c4e7865e1e4edb34f084c43ddf2be773e204dd237ff58e004dfaaf7f258a35ac68a5a
ripemd-160
81c4a079a9cbb432c8d2331307160457a587b6b4
Diameter
163220024
Circumference
512770828.31715
Area
2.0923616726106E+16
Volume
2.2767688161346E+24
Surface area
8.3694466904425E+16
Circumference
512770828.31715
Perimeter
326440048
Area
6660194058640144
Diagonal
115413985.79583
Surface area
39961164351840864
Volume
5.4353851704795E+23
Space diagonal
141352687.19031
Perimeter
244830036
Area
2.8839486244583E+15
Altitude
70676343.595153
Surface area
2.8839486244583E+15
Volume
6.4056628540114E+22
Height
38471328.59861