77885945 is an odd 8-digits composite number following 77885944
and preceding 77885946 . In scientific notation, it is written as 7.7885945 × 10^7.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 62236720 positive integers (up to 77885945) that are relatively prime to 77885945.
77885945 has 8 divisors, whose sum is 93571200
The reverse of 77885945 is 54958877
Previous prime number is 911
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
seventy-seven million eight hundred eighty-five thousand nine hundred forty-five
Scientific notation
7.7885945 × 10^7
Engineering notation
7.7885945 × 10^6
Prime Factorization
5 × 911 × 17099
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
77885945
Product of the distinct prime numbers
The prime factorization of 77885945 is 5 × 911 × 17099.
Since it has a total of 3 prime factors.
1 , 1 , 42 , 5 , 122 , 262 , 9068 , 5907 , 32445 , 76134 , 291797 , 791207 , 165646 , 931779 , 36055558 , 27674999 , 134480796 , 58424549 , 3314655725 , 1808026645
n×2
155771890
n×3
233657835
n×4
311543780
n×5
389429725
n÷2
38942972.5
n÷3
25961981.666667
n÷3
19471486.25
n÷5
15577189
n2
6066220428543025
n3
4.7247331065538E+23
n4
3.6799030287673E+31
n5
2.866127249039E+39
2 √n
8825.3014112834
3 √n
427.05751098817
4 √n
93.943075376972
5 √n
37.869695991268
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
-77885944
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 77885945 can be divided by 8 positive divisors.
The sum of these divisors (counting 77885945) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101001000111000111111001
3
Ternary
12102120000102122
4
Quaternary
10221013013321
5
Quinary
124414322240
6
Senary
11421211025
8
Octal
451070771
10
Decimal
77885945
12
Duodecimal
22100a75
16
Hexadecimal
4a471f9
20
Vigesimal
146feh5
36
Base36
1add6h
md5
c013d6e29ba9866adff760ec4479d627
sha1
e02feaf3545d8f6c485563d7be921d3d6ee4fc8c
sha256
29bcf9870d1d394e202ea36c5ac636d55609dbabcbf18fba1dea4a167ef7363d
sha512
be94ec09bb7d4e3906aa8f91dd5bd8b48ace05b38604704a114ab0c17064030bf845118b808898874a2b2de2543031cea6973156f42c70ec4ef32b67e728d3ac
ripemd-160
35cf8755336948ddf11ccd603dc3ca84c6b0bfe7
Diameter
155771890
Circumference
489371825.2598
Area
1.9057593533367E+16
Volume
1.9790915756962E+24
Surface area
7.6230374133468E+16
Circumference
489371825.2598
Perimeter
311543780
Area
6066220428543025
Diagonal
110147359.73724
Surface area
36397322571258150
Volume
4.7247331065538E+23
Space diagonal
134902413.93552
Perimeter
233657835
Area
2.6267504980372E+15
Altitude
67451206.967758
Surface area
2.6267504980372E+15
Volume
5.5681513649013E+22
Height
36715786.579082