77897745 is an odd 8-digits composite number following 77897744
and preceding 77897746 . In scientific notation, it is written as 7.7897745 × 10^7.
The sum of its digits is 54. It has a total of 2 prime factors and 4 positive divisors.
There are 40531200 positive integers (up to 77897745) that are relatively prime to 77897745.
77897745 has 4 divisors, whose sum is 77941812
The reverse of 77897745 is 54779877
Previous prime number is 1845
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
seventy-seven million eight hundred ninety-seven thousand seven hundred forty-five
Scientific notation
7.7897745 × 10^7
Engineering notation
7.7897745 × 10^6
Prime Factorization
1845 × 42221
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
77897745
Product of the distinct prime numbers
The prime factorization of 77897745 is 1845 × 42221.
Since it has a total of 2 prime factors.
9 , 8 , 43 , 88 , 484 , 208 , 5189 , 535 , 28380 , 19859 , 277972 , 505949 , 6905666 , 6312364 , 91361715 , 68403908 , 965724768 , 130350364 , 4913501978 , 2657851486
n×2
155795490
n×3
233693235
n×4
311590980
n×5
389488725
n÷2
38948872.5
n÷3
25965915
n÷3
19474436.25
n÷5
15579549
n2
6068058676085025
n3
4.7268808739471E+23
n4
3.6821336096411E+31
n5
2.8682990497975E+39
2 √n
8825.9699183716
3 √n
427.07907681395
4 √n
93.946633353046
5 √n
37.870843400687
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77897744
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77897745 can be divided by 4 positive divisors.
The sum of these divisors (counting 77897745) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101001001010000000010001
3
Ternary
12102120121121200
4
Quaternary
10221022000101
5
Quinary
124420211440
6
Senary
11421341413
8
Octal
451120021
10
Decimal
77897745
12
Duodecimal
22107869
16
Hexadecimal
4a4a011
20
Vigesimal
146h475
36
Base36
1adma9
md5
e7a8a14b15fd9187530a894eeca2fbcd
sha1
3d82c4b3d6dc70182cbe6001444aef7261003ca1
sha256
7cd5a4ba1717f07e4895bf3e26c598135c94b225e28d9206341cd7f02fadd6b2
sha512
a11c7d8fdd0ad37dcd5dc8c1aa5067c725dfac260c4451c9d1da317c8f5e018c381035983146af4aa3bb53e4d9636db5c7e8f942cd4317e528f1333876f377c7
ripemd-160
d5faf68cf88b31c329f2ca4a8359df93487ebdff
Diameter
155795490
Circumference
489445966.84642
Area
1.9063368558341E+16
Volume
1.9799912303982E+24
Surface area
7.6253474233362E+16
Circumference
489445966.84642
Perimeter
311590980
Area
6068058676085025
Diagonal
110164047.45728
Surface area
36408352056510150
Volume
4.7268808739471E+23
Space diagonal
134922852.13504
Perimeter
233693235
Area
2.6275464825721E+15
Altitude
67461426.067522
Surface area
2.6275464825721E+15
Volume
5.5706825330483E+22
Height
36721349.152427