77454921 is an odd 8-digits composite number following 77454920
and preceding 77454922 . In scientific notation, it is written as 7.7454921 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 51636612 positive integers (up to 77454921) that are relatively prime to 77454921.
77454921 has 4 divisors, whose sum is 103273232
The reverse of 77454921 is 12945477
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-seven million four hundred fifty-four thousand nine hundred twenty-one
Scientific notation
7.7454921 × 10^7
Engineering notation
7.7454921 × 10^6
Prime Factorization
3 × 25818307
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
77454921
Product of the distinct prime numbers
The prime factorization of 77454921 is 3 × 25818307.
Since it has a total of 2 prime factors.
2 , 3 , 9 , 99 , 945 , 166 , 7139 , 4992 , 30315 , 84229 , 279115 , 872475 , 3680555 , 3219714 , 49552749 , 19564809 , 915496805 , 383269184 , 1620376710 , 3365780754
n×2
154909842
n×3
232364763
n×4
309819684
n×5
387274605
n÷2
38727460.5
n÷3
25818307
n÷3
19363730.25
n÷5
15490984.2
n2
5999264787116241
n3
4.6467258014417E+23
n4
3.5991177985933E+31
n5
2.7876938475974E+39
2 √n
8800.8477432575
3 √n
426.26826872507
4 √n
93.812833574397
5 √n
37.8276884106
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
-77454920
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 77454921 can be divided by 4 positive divisors.
The sum of these divisors (counting 77454921) is 1, the average is 0.25.
Base
System
Value
2
Binary
100100111011101111001001001
3
Ternary
12101202010011210
4
Quaternary
10213131321021
5
Quinary
124312024141
6
Senary
11404043333
8
Octal
447357111
10
Decimal
77454921
12
Duodecimal
21b33549
16
Hexadecimal
49dde49
20
Vigesimal
1441h61
36
Base36
1a44ll
md5
6691dfa150474e0e15a7f518e622a625
sha1
a963f2a5682af0c5f90a0f5625c738c6b4045812
sha256
bc2173f81421d5eeb901c6f08b87f597c5996083cdccf9f77ec4501482dc223c
sha512
9c8999d30600864ed29d9088f68886f2165d2d903575d8d9b5d4118f8e53a043a9734f98ac3e00b59a47143ffcac6f5ca793fa2b14de03ce8f1fb1b5b672033e
ripemd-160
62bffb250c0a01bfe66656e48d6a0346d0e48494
Diameter
154909842
Circumference
486663621.59596
Area
1.8847246182144E+16
Volume
1.9464159521407E+24
Surface area
7.5388984728577E+16
Circumference
486663621.59596
Perimeter
309819684
Area
5999264787116241
Diagonal
109537799.75074
Surface area
35995588722697446
Volume
4.6467258014417E+23
Space diagonal
134155858.46823
Perimeter
232364763
Area
2.5977578548361E+15
Altitude
67077929.234117
Surface area
2.5977578548361E+15
Volume
5.4762188741899E+22
Height
36512599.916912