77881428 is an even 8-digits composite number following 77881427
and preceding 77881429 . In scientific notation, it is written as 7.7881428 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 25356240 positive integers (up to 77881428) that are relatively prime to 77881428.
77881428 has 24 divisors, whose sum is 154960960
The reverse of 77881428 is 82418877
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-seven million eight hundred eighty-one thousand four hundred twenty-eight
Scientific notation
7.7881428 × 10^7
Engineering notation
7.7881428 × 10^6
Prime Factorization
2 × 2 × 9 × 43 × 50311
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
38940714
Product of the distinct prime numbers
The prime factorization of 77881428 is 2 × 2 × 9 × 43 × 50311.
Since it has a total of 5 prime factors.
6 , 6 , 79 , 47 , 19 , 94 , 8723 , 7873 , 47993 , 36153 , 875202 , 411035 , 8623966 , 4465156 , 14376147 , 37371122 , 475293373 , 500911856 , 3869747155 , 5341920995
n×2
155762856
n×3
233644284
n×4
311525712
n×5
389407140
n÷2
38940714
n÷3
25960476
n÷3
19470357
n÷5
15576285.6
n2
6065516827319184
n3
4.7239111206965E+23
n4
3.6790494382492E+31
n5
2.8652962393345E+39
2 √n
8825.0454956334
3 √n
427.04925508667
4 √n
93.941713288791
5 √n
37.869256730025
1 , 2 , 4 , 9 , 18 , 36 , 43 , 86 , 172 , 387 , 774 , 1548 , 50311 , 100622 , 201244 , 452799 , 905598 , 1811196 , 2163373 , 4326746 , 8653492 , 19470357 , 38940714 , 77881428
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
-77881427
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 77881428 can be divided by 24 positive divisors.
The sum of these divisors (counting 77881428) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101001000110000001010100
3
Ternary
12102112210020100
4
Quaternary
10221012001110
5
Quinary
124414201203
6
Senary
11421134100
8
Octal
451060124
10
Decimal
77881428
12
Duodecimal
220ba330
16
Hexadecimal
4a46054
20
Vigesimal
146f3b8
36
Base36
1ad9p0
md5
5346f7f5f14a431fd9c8b22beb12f779
sha1
83b8957284de90ad6270238e625d9465bb92527f
sha256
6d37da0a54f0a02bcdea3dacd4dd48735ff649f62e03e5ac968617214d3c2a37
sha512
c0b7930b8a2f571a53c00991b29417690b792b581a18d26b50059a590b651060751b443718b1fbffbc4e91d087a4557ba0eda5fc4e297b5f4b6bb69df7cbeaa6
ripemd-160
4044572fcedefe594877c77ace68c6d8c338659c
Diameter
155762856
Circumference
489343444.11176
Area
1.9055383104931E+16
Volume
1.9787472630655E+24
Surface area
7.6221532419725E+16
Circumference
489343444.11176
Perimeter
311525712
Area
6065516827319184
Diagonal
110140971.73458
Surface area
36393100963915104
Volume
4.7239111206965E+23
Space diagonal
134894590.26202
Perimeter
233644284
Area
2.6264458297702E+15
Altitude
67447295.131009
Surface area
2.6264458297702E+15
Volume
5.5671826452784E+22
Height
36713657.244861