77971808 is an even 8-digits composite number following 77971807
and preceding 77971809 . In scientific notation, it is written as 7.7971808 × 10^7.
The sum of its digits is 47. It has a total of 7 prime factors and 24 positive divisors.
There are 38639104 positive integers (up to 77971808) that are relatively prime to 77971808.
77971808 has 24 divisors, whose sum is 154872648
The reverse of 77971808 is 80817977
Previous prime number is 113
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-seven million nine hundred seventy-one thousand eight hundred eight
Scientific notation
7.7971808 × 10^7
Engineering notation
7.7971808 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 113 × 21563
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
4873238
Product of the distinct prime numbers
The prime factorization of 77971808 is 2 × 2 × 2 × 2 × 2 × 113 × 21563.
Since it has a total of 7 prime factors.
10 , 2 , 69 , 20 , 177 , 371 , 4085 , 2284 , 87594 , 52484 , 298106 , 707211 , 9129797 , 5568938 , 51039405 , 32398714 , 495701111 , 205992756 , 7393169707 , 7659819360
n×2
155943616
n×3
233915424
n×4
311887232
n×5
389859040
n÷2
38985904
n÷3
25990602.666667
n÷3
19492952
n÷5
15594361.6
n2
6079602842788864
n3
4.7403762557419E+23
n4
3.6961570726046E+31
n5
2.8819604960297E+39
2 √n
8830.1646643763
3 √n
427.21438555924
4 √n
93.968955854454
5 √n
37.878041971537
1 , 2 , 4 , 8 , 16 , 32 , 113 , 226 , 452 , 904 , 1808 , 3616 , 21563 , 43126 , 86252 , 172504 , 345008 , 690016 , 2436619 , 4873238 , 9746476 , 19492952 , 38985904 , 77971808
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77971807
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77971808 can be divided by 24 positive divisors.
The sum of these divisors (counting 77971808) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101001011100000101100000
3
Ternary
12102201101012202
4
Quaternary
10221130011200
5
Quinary
124430044213
6
Senary
11423112332
8
Octal
451340540
10
Decimal
77971808
12
Duodecimal
221426a8
16
Hexadecimal
4a5c160
20
Vigesimal
14769a8
36
Base36
1af7fk
md5
b3c823ee4f270e6135d4b42d6847b91c
sha1
63501fb0d2888d2fd9d564c7c8620c225527ec08
sha256
92ed0afce8726a7640396c80f319d941225dba96380e4d17763b2789d1fe0d35
sha512
ebe9fb179108eae33ca8974aed87e04546cdf7735b0283b11e7285c0fbf3bc9d6f005e1843431c6086d04d274f3ae4a8985f32f09c2e6086c305d969c6fa7aca
ripemd-160
9ebf49ca7847508831de2c4d89f6557d7a118376
Diameter
155943616
Circumference
489911318.39983
Area
1.9099635627649E+16
Volume
1.9856441627054E+24
Surface area
7.6398542510596E+16
Circumference
489911318.39983
Perimeter
311887232
Area
6079602842788864
Diagonal
110268788.35635
Surface area
36477617056733184
Volume
4.7403762557419E+23
Space diagonal
135051133.01401
Perimeter
233915424
Area
2.6325452533876E+15
Altitude
67525566.507003
Surface area
2.6325452533876E+15
Volume
5.586586993018E+22
Height
36756262.78545