81277360 is an even 8-digits composite number following 81277359
and preceding 81277361 . In scientific notation, it is written as 8.1277360 × 10^7.
The sum of its digits is 34. It has a total of 6 prime factors and 20 positive divisors.
There are 32510912 positive integers (up to 81277360) that are relatively prime to 81277360.
81277360 has 20 divisors, whose sum is 188970048
The reverse of 81277360 is 06377218
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million two hundred seventy-seven thousand three hundred sixty
Scientific notation
8.1277360 × 10^7
Engineering notation
8.1277360 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 1015967
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
10159670
Product of the distinct prime numbers
The prime factorization of 81277360 is 2 × 2 × 2 × 2 × 5 × 1015967.
Since it has a total of 6 prime factors.
8 , 6 , 13 , 61 , 685 , 691 , 2660 , 7990 , 44622 , 23166 , 262030 , 824005 , 8817182 , 444738 , 88951689 , 61645937 , 34274989 , 761153475 , 6833128270 , 5695426777
n×2
162554720
n×3
243832080
n×4
325109440
n×5
406386800
n÷2
40638680
n÷3
27092453.333333
n÷3
20319340
n÷5
16255472
n2
6606009248569600
n3
5.3691899185932E+23
n4
4.3639358192187E+31
n5
3.5468918259553E+39
2 √n
9015.3957206548
3 √n
433.16816321846
4 √n
94.949437705838
5 √n
38.193892177618
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 1015967 , 2031934 , 4063868 , 5079835 , 8127736 , 10159670 , 16255472 , 20319340 , 40638680 , 81277360
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81277359
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81277360 can be divided by 20 positive divisors.
The sum of these divisors (counting 81277360) is 1, the average is 0.05.
Base
System
Value
2
Binary
100110110000011000110110000
3
Ternary
12122221022120121
4
Quaternary
10312003012300
5
Quinary
131301333420
6
Senary
12022020024
8
Octal
466030660
10
Decimal
81277360
12
Duodecimal
23277614
16
Hexadecimal
4d831b0
20
Vigesimal
157jd80
36
Base36
1ce20g
md5
f2054b2d29e3e6447ca76b8efcbe7b4e
sha1
eca8704750d4eb147384b3725e1a656eb7fdac01
sha256
d7bfdff84e68c1445d5809dd46555d31dc45738513205b7331acd1e483f58507
sha512
5257a181fb773361df81b3afd16a4a28d094d396355edc08cdffa0094775ce45a9e2e7d8dd95d3bc962b123c556843fd5d6f5ed1735e442b46a8a64405f90356
ripemd-160
cd5622a7497b3715b2521c8874fcd544def0f930
Diameter
162554720
Circumference
510680714.15835
Area
2.0753390124852E+16
Volume
2.2490410138641E+24
Surface area
8.301356049941E+16
Circumference
510680714.15835
Perimeter
325109440
Area
6606009248569600
Diagonal
114943544.82588
Surface area
39636055491417600
Volume
5.3691899185932E+23
Space diagonal
140776517.02507
Perimeter
243832080
Area
2.8604859134481E+15
Altitude
70388258.512533
Surface area
2.8604859134481E+15
Volume
6.3276510015262E+22
Height
38314514.94196