77985429 is an odd 8-digits composite number following 77985428
and preceding 77985430 . In scientific notation, it is written as 7.7985429 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 50313120 positive integers (up to 77985429) that are relatively prime to 77985429.
77985429 has 8 divisors, whose sum is 107334912
The reverse of 77985429 is 92458977
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
seventy-seven million nine hundred eighty-five thousand four hundred twenty-nine
Scientific notation
7.7985429 × 10^7
Engineering notation
7.7985429 × 10^6
Prime Factorization
3 × 31 × 838553
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
77985429
Product of the distinct prime numbers
The prime factorization of 77985429 is 3 × 31 × 838553.
Since it has a total of 3 prime factors.
3 , 1 , 92 , 67 , 741 , 88 , 4831 , 96 , 53789 , 66095 , 779730 , 855969 , 7306402 , 8481526 , 49432783 , 51868349 , 792803534 , 180127930 , 592052852 , 1972083557
n×2
155970858
n×3
233956287
n×4
311941716
n×5
389927145
n÷2
38992714.5
n÷3
25995143
n÷3
19496357.25
n÷5
15597085.8
n2
6081727136314041
n3
4.7428609978639E+23
n4
3.6987404960579E+31
n5
2.8844786434474E+39
2 √n
8830.9359073657
3 √n
427.23926099597
4 √n
93.973059476457
5 √n
37.879365272291
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
-77985428
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 77985429 can be divided by 8 positive divisors.
The sum of these divisors (counting 77985429) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101001011111011010010101
3
Ternary
12102202001220020
4
Quaternary
10221133122111
5
Quinary
124431013204
6
Senary
11423255353
8
Octal
451373225
10
Decimal
77985429
12
Duodecimal
2214a559
16
Hexadecimal
4a5f695
20
Vigesimal
14783b9
36
Base36
1afhxx
md5
bcbc0125892c64ea2ccb18c391b3d21a
sha1
b6ec37575ae7c3aa0991fe6454da8a219535e07e
sha256
f460f978ad0855acb46818a18bc1a4d6cdbfb2fc4bea0de62fd0224c741d358b
sha512
c20dd2316cae526f729fc7baca5cc8a3ede215a19c1994272cc63883a5e898cc0191ee1fc41ba382034d2e77ea40be1f0d221d8bbe2d5f6df08eeb9b5e5d1b3b
ripemd-160
7afb7ca3d22be2407b203da8601f08b5e13af7b1
Diameter
155970858
Circumference
489996901.6669
Area
1.9106309292582E+16
Volume
1.9866849690516E+24
Surface area
7.6425237170328E+16
Circumference
489996901.6669
Perimeter
311941716
Area
6081727136314041
Diagonal
110288051.35928
Surface area
36490362817884246
Volume
4.7428609978639E+23
Space diagonal
135074725.27806
Perimeter
233956287
Area
2.6334650994666E+15
Altitude
67537362.639028
Surface area
2.6334650994666E+15
Volume
5.5895152896913E+22
Height
36762683.786428