81963560 is an even 8-digits composite number following 81963559
and preceding 81963561 . In scientific notation, it is written as 8.1963560 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors.
There are 28101696 positive integers (up to 81963560) that are relatively prime to 81963560.
81963560 has 16 divisors, whose sum is 158073120
The reverse of 81963560 is 06536918
Previous prime number is 35
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-one million nine hundred sixty-three thousand five hundred sixty
Scientific notation
8.1963560 × 10^7
Engineering notation
8.1963560 × 10^6
Prime Factorization
2 × 2 × 2 × 35 × 292727
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20490890
Product of the distinct prime numbers
The prime factorization of 81963560 is 2 × 2 × 2 × 35 × 292727.
Since it has a total of 5 prime factors.
2 , 7 , 65 , 14 , 968 , 950 , 9198 , 878 , 69179 , 96568 , 837551 , 881976 , 977645 , 3449168 , 72004102 , 39553711 , 559496189 , 663101144 , 4216747246 , 2302434933
n×2
163927120
n×3
245890680
n×4
327854240
n×5
409817800
n÷2
40981780
n÷3
27321186.666667
n÷3
20490890
n÷5
16392712
n2
6718025167873600
n3
5.5063325892852E+23
n4
4.5131862156183E+31
n5
3.69916809175E+39
2 √n
9053.3728521474
3 √n
434.38378420205
4 √n
95.149213618124
5 √n
38.258167360459
1 , 2 , 4 , 8 , 35 , 70 , 140 , 280 , 292727 , 585454 , 1170908 , 2341816 , 10245445 , 20490890 , 40981780 , 81963560
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
-81963559
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 81963560 can be divided by 16 positive divisors.
The sum of these divisors (counting 81963560) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111000101010101000101000
3
Ternary
12201020011212102
4
Quaternary
10320222220220
5
Quinary
131440313220
6
Senary
12044432532
8
Octal
470525050
10
Decimal
81963560
12
Duodecimal
23548748
16
Hexadecimal
4e2aa28
20
Vigesimal
15c58i0
36
Base36
1csrhk
md5
b1c642c370e243882b18b90dda7ac05c
sha1
684462d1689a4203f20663ea5ba69133f97b43f9
sha256
e8663d55771f463fc43b293a6ceed45a323d05e2c2ee7c7abbecee9ed8caba13
sha512
8f1dd95f4402ed1259f885074ae8d1fafaf822857fa02268b6b379c0ac134d7af1f0bcef8b2baa3c40a61455f799b5b6599c4069c7d65dbb5c004e59c6ff67ea
ripemd-160
b6df4f2500f0c0e653376396862d1341ab74f53d
Diameter
163927120
Circumference
514992235.91613
Area
2.1105298514023E+16
Volume
2.3064872014294E+24
Surface area
8.4421194056092E+16
Circumference
514992235.91613
Perimeter
327854240
Area
6718025167873600
Diagonal
115913978.17238
Surface area
40308151007241600
Volume
5.5063325892852E+23
Space diagonal
141965050.28922
Perimeter
245890680
Area
2.9089902293209E+15
Altitude
70982525.14461
Surface area
2.9089902293209E+15
Volume
6.4892751889201E+22
Height
38637992.724127