81012010 is an even 8-digits composite number following 81012009
and preceding 81012011 . In scientific notation, it is written as 8.1012010 × 10^7.
The sum of its digits is 13. It has a total of 5 prime factors and 24 positive divisors.
There are 30697920 positive integers (up to 81012010) that are relatively prime to 81012010.
81012010 has 24 divisors, whose sum is 153907236
The reverse of 81012010 is 01021018
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 13
Digital Root 4
Name
eighty-one million twelve thousand ten
Scientific notation
8.1012010 × 10^7
Engineering notation
8.1012010 × 10^6
Prime Factorization
2 × 5 × 19 × 19 × 22441
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4263790
Product of the distinct prime numbers
The prime factorization of 81012010 is 2 × 5 × 19 × 19 × 22441.
Since it has a total of 5 prime factors.
9 , 6 , 5 , 36 , 249 , 390 , 115 , 1707 , 46268 , 43095 , 694839 , 867611 , 4806333 , 449022 , 26279289 , 55648182 , 87688883 , 377235891 , 2455444710 , 9528184847
n×2
162024020
n×3
243036030
n×4
324048040
n×5
405060050
n÷2
40506005
n÷3
27004003.333333
n÷3
20253002.5
n÷5
16202402
n2
6562945764240100
n3
5.3167742788208E+23
n4
4.3072257104357E+31
n5
3.4893701232607E+39
2 √n
9000.6671974915
3 √n
432.69625450126
4 √n
94.87184617942
5 √n
38.168920868929
1 , 2 , 5 , 10 , 19 , 38 , 95 , 190 , 361 , 722 , 1805 , 3610 , 22441 , 44882 , 112205 , 224410 , 426379 , 852758 , 2131895 , 4263790 , 8101201 , 16202402 , 40506005 , 81012010
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
-81012009
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 81012010 can be divided by 24 positive divisors.
The sum of these divisors (counting 81012010) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110101000010010100101010
3
Ternary
12122102211120211
4
Quaternary
10311002110222
5
Quinary
131214341020
6
Senary
12012211334
8
Octal
465022452
10
Decimal
81012010
12
Duodecimal
23169b4a
16
Hexadecimal
4d4252a
20
Vigesimal
1566a0a
36
Base36
1c8d9m
md5
8303a916f7f63fcac59d483721b0bcd0
sha1
5cbccc868202e9b4eb6f3bf83012d73dd791eb55
sha256
8c36df8d17682e75f1202c5de7703b20dfffee46510a06a7e65b87792a9394fe
sha512
ad20f9b5ef015436021fc0b329238097e997fba53762a56b22307855baa4970dc086657c51f0da253d6dad62e25d80d85a2afb27e52549db5f5962625df3f3b0
ripemd-160
c54a1ade5160b70411386f57b852ae8a4ed0add8
Diameter
162024020
Circumference
509013470.93709
Area
2.0618102198845E+16
Volume
2.2270852020185E+24
Surface area
8.247240879538E+16
Circumference
509013470.93709
Perimeter
324048040
Area
6562945764240100
Diagonal
114568283.2571
Surface area
39377674585440600
Volume
5.3167742788208E+23
Space diagonal
140316917.34328
Perimeter
243036030
Area
2.8418388777457E+15
Altitude
70158458.671639
Surface area
2.8418388777457E+15
Volume
6.265878577654E+22
Height
38189427.752368