77442989 is an odd 8-digits composite number following 77442988
and preceding 77442990 . In scientific notation, it is written as 7.7442989 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 70580016 positive integers (up to 77442989) that are relatively prime to 77442989.
77442989 has 4 divisors, whose sum is 77519424
The reverse of 77442989 is 98924477
Previous prime number is 1027
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
seventy-seven million four hundred forty-two thousand nine hundred eighty-nine
Scientific notation
7.7442989 × 10^7
Engineering notation
7.7442989 × 10^6
Prime Factorization
1027 × 75407
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
77442989
Product of the distinct prime numbers
The prime factorization of 77442989 is 1027 × 75407.
Since it has a total of 2 prime factors.
2 , 7 , 17 , 71 , 15 , 494 , 6680 , 417 , 83153 , 10746 , 715381 , 739977 , 1298922 , 6976883 , 32164318 , 89300498 , 381844766 , 118189455 , 1373119153 , 3449874015
n×2
154885978
n×3
232328967
n×4
309771956
n×5
387214945
n÷2
38721494.5
n÷3
25814329.666667
n÷3
19360747.25
n÷5
15488597.8
n2
5997416545254121
n3
4.6445786354253E+23
n4
3.5969005217288E+31
n5
2.7855472753834E+39
2 √n
8800.1698279067
3 √n
426.24637859801
4 √n
93.809220377886
5 √n
37.826522860915
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
-77442988
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 77442989 can be divided by 4 positive divisors.
The sum of these divisors (counting 77442989) is 1, the average is 0.25.
Base
System
Value
2
Binary
100100111011010111110101101
3
Ternary
12101201111210212
4
Quaternary
10213122332231
5
Quinary
124311133424
6
Senary
11403512205
8
Octal
447327655
10
Decimal
77442989
12
Duodecimal
21b28665
16
Hexadecimal
49dafad
20
Vigesimal
1440799
36
Base36
1a3ve5
md5
d0dfa45c9057bc9a647eea8ce0b9e845
sha1
c628eba968cc053f3866192451c6bdbb3542ee72
sha256
d95aaaa144d5ecea6dda1de08d7822ebf12e3f98c273a5894858e81a18a8a156
sha512
3a663c16b579e2ef48317dfa73f29cfb2bf021a8f87cee80cf08a93687bfb75304426becf04da6e8649895e1636f341400f0628f024479ae3b2402d388f77936
ripemd-160
6774f696cdbd557d997772d2a174273094728981
Diameter
154885978
Circumference
486588650.62887
Area
1.8841439759088E+16
Volume
1.945516549343E+24
Surface area
7.5365759036353E+16
Circumference
486588650.62887
Perimeter
309771956
Area
5997416545254121
Diagonal
109520925.35451
Surface area
35984499271524726
Volume
4.6445786354253E+23
Space diagonal
134135191.638
Perimeter
232328967
Area
2.5969575426336E+15
Altitude
67067595.818999
Surface area
2.5969575426336E+15
Volume
5.4736884147724E+22
Height
36506975.11817