81590412 is an even 8-digits composite number following 81590411
and preceding 81590413 . In scientific notation, it is written as 8.1590412 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 25596928 positive integers (up to 81590412) that are relatively prime to 81590412.
81590412 has 24 divisors, whose sum is 201576816
The reverse of 81590412 is 21409518
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty-one million five hundred ninety thousand four hundred twelve
Scientific notation
8.1590412 × 10^7
Engineering notation
8.1590412 × 10^6
Prime Factorization
2 × 2 × 3 × 17 × 399953
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40795206
Product of the distinct prime numbers
The prime factorization of 81590412 is 2 × 2 × 3 × 17 × 399953.
Since it has a total of 5 prime factors.
1 , 4 , 50 , 21 , 945 , 19 , 2882 , 467 , 21669 , 63959 , 78956 , 913338 , 8329448 , 6859954 , 19855999 , 55408591 , 472637677 , 660958594 , 3247202962 , 5662188781
n×2
163180824
n×3
244771236
n×4
326361648
n×5
407952060
n÷2
40795206
n÷3
27196804
n÷3
20397603
n÷5
16318082.4
n2
6656995330329744
n3
5.4314699168368E+23
n4
4.4315586828032E+31
n5
3.6157269873209E+39
2 √n
9032.7411121984
3 √n
433.72358821202
4 √n
95.040733962856
5 √n
38.223268859188
1 , 2 , 3 , 4 , 6 , 12 , 17 , 34 , 51 , 68 , 102 , 204 , 399953 , 799906 , 1199859 , 1599812 , 2399718 , 4799436 , 6799201 , 13598402 , 20397603 , 27196804 , 40795206 , 81590412
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
-81590411
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 81590412 can be divided by 24 positive divisors.
The sum of these divisors (counting 81590412) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110111001111100010001100
3
Ternary
12200112020000010
4
Quaternary
10313033202030
5
Quinary
131341343122
6
Senary
12032433220
8
Octal
467174214
10
Decimal
81590412
12
Duodecimal
233a8810
16
Hexadecimal
4dcf88c
20
Vigesimal
159ig0c
36
Base36
1ckrkc
md5
08915ee6e5d6239f54fe29e3d121944b
sha1
3f640f7fc5390caba814dba2f248753891a711d0
sha256
3b4e0365236e6cdcb2ef912791dfa9f6df5e404f9eaadf8a46a59658555ffa95
sha512
0e012687d6b217ca6270896c87697a610805e4a41d650f4b894e6725b7d5de30ff662041b05f0935d78cce16f903be9830a01f24af44c8f00b6a7c47cf8173a2
ripemd-160
9bc1c03186fbede3e5db876848ee1c40de141d61
Diameter
163180824
Circumference
512647677.88513
Area
2.0913567624745E+16
Volume
2.2751287985238E+24
Surface area
8.3654270498982E+16
Circumference
512647677.88513
Perimeter
326361648
Area
6656995330329744
Diagonal
115386267.21001
Surface area
39941971981978464
Volume
5.4314699168368E+23
Space diagonal
141318738.99448
Perimeter
244771236
Area
2.88256353447E+15
Altitude
70659369.497239
Surface area
2.88256353447E+15
Volume
6.4010486833434E+22
Height
38462089.070003