81277192 is an even 8-digits composite number following 81277191
and preceding 81277193 . In scientific notation, it is written as 8.1277192 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 16 positive divisors.
There are 40345680 positive integers (up to 81277192) that are relatively prime to 81277192.
81277192 has 16 divisors, whose sum is 153493200
The reverse of 81277192 is 29177218
Previous prime number is 139
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-one million two hundred seventy-seven thousand one hundred ninety-two
Scientific notation
8.1277192 × 10^7
Engineering notation
8.1277192 × 10^6
Prime Factorization
2 × 2 × 2 × 139 × 73091
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20319298
Product of the distinct prime numbers
The prime factorization of 81277192 is 2 × 2 × 2 × 139 × 73091.
Since it has a total of 5 prime factors.
7 , 4 , 36 , 11 , 983 , 749 , 9712 , 839 , 40893 , 45828 , 916681 , 538401 , 606417 , 28367 , 21398744 , 10222845 , 139216857 , 635729004 , 9483770264 , 6524617931
n×2
162554384
n×3
243831576
n×4
325108768
n×5
406385960
n÷2
40638596
n÷3
27092397.333333
n÷3
20319298
n÷5
16255438.4
n2
6605981939404864
n3
5.3691566243754E+23
n4
4.3638997383743E+31
n5
3.546855169046E+39
2 √n
9015.3864032553
3 √n
433.16786476592
4 √n
94.949388640766
5 √n
38.193876388279
1 , 2 , 4 , 8 , 139 , 278 , 556 , 1112 , 73091 , 146182 , 292364 , 584728 , 10159649 , 20319298 , 40638596 , 81277192
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
-81277191
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 81277192 can be divided by 16 positive divisors.
The sum of these divisors (counting 81277192) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110000011000100001000
3
Ternary
12122221022100101
4
Quaternary
10312003010020
5
Quinary
131301332232
6
Senary
12022015144
8
Octal
466030410
10
Decimal
81277192
12
Duodecimal
232774b4
16
Hexadecimal
4d83108
20
Vigesimal
157jcjc
36
Base36
1ce1vs
md5
19a73f4ae1bb0b16af51f02ae34d3064
sha1
4220f41a19507e797e1653d2e84d17eed6f674a7
sha256
e9be82b0ad7a468393904a53a881f5f243a5c9fc5d4dd16e931b5e0ab27c20da
sha512
66515703bab9ad7c0cde3c89d54cc17728452d7a86a45f3984572df9c17b6318732553ee788e18bb92ccf0d57584272a51811a047c7b52645afc6a7d8285d10c
ripemd-160
aacefbab946b395a2b4c8eb2e1971ab070502d47
Diameter
162554384
Circumference
510679658.58321
Area
2.0753304330581E+16
Volume
2.2490270676148E+24
Surface area
8.3013217322325E+16
Circumference
510679658.58321
Perimeter
325108768
Area
6605981939404864
Diagonal
114943307.238
Surface area
39635891636429184
Volume
5.3691566243754E+23
Space diagonal
140776226.04053
Perimeter
243831576
Area
2.8604740882329E+15
Altitude
70388113.020265
Surface area
2.8604740882329E+15
Volume
6.3276117639142E+22
Height
38314435.746001