77949905 is an odd 8-digits composite number following 77949904
and preceding 77949906 . In scientific notation, it is written as 7.7949905 × 10^7.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 56690800 positive integers (up to 77949905) that are relatively prime to 77949905.
77949905 has 8 divisors, whose sum is 102043584
The reverse of 77949905 is 50994977
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
seventy-seven million nine hundred forty-nine thousand nine hundred five
Scientific notation
7.7949905 × 10^7
Engineering notation
7.7949905 × 10^6
Prime Factorization
5 × 11 × 1417271
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
77949905
Product of the distinct prime numbers
The prime factorization of 77949905 is 5 × 11 × 1417271.
Since it has a total of 3 prime factors.
7 , 7 , 20 , 18 , 681 , 856 , 2925 , 3441 , 37115 , 59106 , 830749 , 376208 , 9359272 , 7580507 , 75474192 , 44684720 , 871916917 , 160278999 , 7827796413 , 2309682386
n×2
155899810
n×3
233849715
n×4
311799620
n×5
389749525
n÷2
38974952.5
n÷3
25983301.666667
n÷3
19487476.25
n÷5
15589981
n2
6076187689509025
n3
4.736382531594E+23
n4
3.6920056838141E+31
n5
2.8779149231277E+39
2 √n
8828.9243399182
3 √n
427.17437899257
4 √n
93.962355972582
5 √n
37.875913674112
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
-77949904
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 77949905 can be divided by 8 positive divisors.
The sum of these divisors (counting 77949905) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101001010110101111010001
3
Ternary
12102200021011112
4
Quaternary
10221112233101
5
Quinary
124423344110
6
Senary
11422423105
8
Octal
451265721
10
Decimal
77949905
12
Duodecimal
22131a95
16
Hexadecimal
4a56bd1
20
Vigesimal
1473ef5
36
Base36
1aeqj5
md5
df643c1bd8d5cd02e2d10dbdb6f251b2
sha1
3ecc9f23067a3905471cbf1e62160addeec62038
sha256
30165c2b0a444b86ef498dc1c7ea6219a4d64c473da28bcf82896469aba142d3
sha512
567235571733e0fa8afab1cef0d57a8b26eb2c0c9097847b6fdac7de1d9701919f336c38d82ee3fb3feb5000ed8d1aad9f9925bd8679a70ca0e98462fbedac06
ripemd-160
5ec8a59b950b71d4c0bf367b6006830a2461955c
Diameter
155899810
Circumference
489773697.79204
Area
1.9088906607194E+16
Volume
1.9839712754462E+24
Surface area
7.6355626428777E+16
Circumference
489773697.79204
Perimeter
311799620
Area
6076187689509025
Diagonal
110237812.83669
Surface area
36457126137054150
Volume
4.736382531594E+23
Space diagonal
135013195.90517
Perimeter
233849715
Area
2.6310664486385E+15
Altitude
67506597.952584
Surface area
2.6310664486385E+15
Volume
5.5818803439727E+22
Height
36745937.612231