77888921 is an odd 8-digits composite number following 77888920
and preceding 77888922 . In scientific notation, it is written as 7.7888921 × 10^7.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 70493920 positive integers (up to 77888921) that are relatively prime to 77888921.
77888921 has 8 divisors, whose sum is 85346784
The reverse of 77888921 is 12988877
Previous prime number is 227
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
seventy-seven million eight hundred eighty-eight thousand nine hundred twenty-one
Scientific notation
7.7888921 × 10^7
Engineering notation
7.7888921 × 10^6
Prime Factorization
11 × 227 × 31193
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
77888921
Product of the distinct prime numbers
The prime factorization of 77888921 is 11 × 227 × 31193.
Since it has a total of 3 prime factors.
4 , 6 , 71 , 58 , 317 , 43 , 3470 , 5601 , 33563 , 3645 , 711348 , 228146 , 1659129 , 6166113 , 19433034 , 71384857 , 950782940 , 534887689 , 6779908366 , 8450328632
n×2
155777842
n×3
233666763
n×4
311555684
n×5
389444605
n÷2
38944460.5
n÷3
25962973.666667
n÷3
19472230.25
n÷5
15577784.2
n2
6066684014544241
n3
4.725274719408E+23
n4
3.6804654932327E+31
n5
2.8666748604562E+39
2 √n
8825.4700158122
3 √n
427.06295016792
4 √n
93.94397274872
5 √n
37.869985384926
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77888920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77888921 can be divided by 8 positive divisors.
The sum of these divisors (counting 77888921) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101001000111110110011001
3
Ternary
12102120011111212
4
Quaternary
10221013312121
5
Quinary
124414421141
6
Senary
11421232505
8
Octal
451076631
10
Decimal
77888921
12
Duodecimal
22102735
16
Hexadecimal
4a47d99
20
Vigesimal
146g261
36
Base36
1adfh5
md5
e97a64b6febdc9d382d305b40ee12b1f
sha1
bca01f6986e88cc1025a144beca605c41bcd86d3
sha256
f89fd5eac9e02cdab2ba114dec60041c0bbf0bcc22460d288c03edebfb5f7665
sha512
1b4fc376e042bdf9b33a47e478db96a76bbe0c6239325a1c8e3b796b5a8aa162d09e02bf26525675e58494cb4147e94365323d1825e2215a69603355feff91fe
ripemd-160
a0d3cf59272d3b27c29f67e075bd8f4b4ab3f35e
Diameter
155777842
Circumference
489390524.01927
Area
1.9059049931743E+16
Volume
1.9793184459581E+24
Surface area
7.6236199726971E+16
Circumference
489390524.01927
Perimeter
311555684
Area
6066684014544241
Diagonal
110151568.43681
Surface area
36400104087265446
Volume
4.725274719408E+23
Space diagonal
134907568.51872
Perimeter
233666763
Area
2.6269512366641E+15
Altitude
67453784.259359
Surface area
2.6269512366641E+15
Volume
5.5687896617713E+22
Height
36717189.478936