77991109 is an odd 8-digits composite number following 77991108
and preceding 77991110 . In scientific notation, it is written as 7.7991109 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 66849516 positive integers (up to 77991109) that are relatively prime to 77991109.
77991109 has 4 divisors, whose sum is 89132704
The reverse of 77991109 is 90119977
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-seven million nine hundred ninety-one thousand one hundred nine
Scientific notation
7.7991109 × 10^7
Engineering notation
7.7991109 × 10^6
Prime Factorization
7 × 11141587
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
77991109
Product of the distinct prime numbers
The prime factorization of 77991109 is 7 × 11141587.
Since it has a total of 2 prime factors.
10 , 7 , 95 , 45 , 233 , 157 , 2931 , 1891 , 59912 , 52242 , 27234 , 662894 , 9398378 , 5367029 , 12948233 , 96779670 , 617538060 , 215966927 , 9299653288 , 4361323900
n×2
155982218
n×3
233973327
n×4
311964436
n×5
389955545
n÷2
38995554.5
n÷3
25997036.333333
n÷3
19497777.25
n÷5
15598221.8
n2
6082613083049881
n3
4.7438973996497E+23
n4
3.699818191809E+31
n5
2.8855292387756E+39
2 √n
8831.2574982275
3 √n
427.24963327585
4 √n
93.974770540968
5 √n
37.879917038254
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
-77991108
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 77991109 can be divided by 4 positive divisors.
The sum of these divisors (counting 77991109) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101001100000110011000101
3
Ternary
12102202100200121
4
Quaternary
10221200303011
5
Quinary
124431203414
6
Senary
11423341541
8
Octal
451406305
10
Decimal
77991109
12
Duodecimal
221518b1
16
Hexadecimal
4a60cc5
20
Vigesimal
1478hf9
36
Base36
1afmbp
md5
6638a91e02999ae03ba1997732a6c609
sha1
97921eac79296f48c37e63369547b197cc8ddac1
sha256
5346aadc6448c6e8318356bbdce0a47fb198e8dadd96c3248ac8e1f0430c9fd5
sha512
5b742a192a97134a17db2e9846a05532f934497e05e0f6eb31e8876faa519b168cda9519aa302736e4c18f065a206ae936a462e5c68d777a5247f748f0186139
ripemd-160
90f0c385dc977bbd625e75995a9cf23d7379f965
Diameter
155982218
Circumference
490032590.15944
Area
1.9109092576339E+16
Volume
1.9871190960164E+24
Surface area
7.6436370305355E+16
Circumference
490032590.15944
Perimeter
311964436
Area
6082613083049881
Diagonal
110296084.09232
Surface area
36495678498299286
Volume
4.7438973996497E+23
Space diagonal
135084563.32664
Perimeter
233973327
Area
2.6338487256564E+15
Altitude
67542281.663321
Surface area
2.6338487256564E+15
Volume
5.5907367009092E+22
Height
36765361.364106