78889121 is an odd 8-digits composite number following 78889120
and preceding 78889122 . In scientific notation, it is written as 7.8889121 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 74189088 positive integers (up to 78889121) that are relatively prime to 78889121.
78889121 has 8 divisors, whose sum is 83650080
The reverse of 78889121 is 12198887
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
seventy-eight million eight hundred eighty-nine thousand one hundred twenty-one
Scientific notation
7.8889121 × 10^7
Engineering notation
7.8889121 × 10^6
Prime Factorization
19 × 137 × 30307
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78889121
Product of the distinct prime numbers
The prime factorization of 78889121 is 19 × 137 × 30307.
Since it has a total of 3 prime factors.
9 , 8 , 70 , 85 , 877 , 701 , 1808 , 9155 , 80474 , 92096 , 352804 , 932589 , 6946086 , 5881106 , 99468739 , 15590042 , 28333208 , 751839622 , 9468696157 , 7649120924
n×2
157778242
n×3
236667363
n×4
315556484
n×5
394445605
n÷2
39444560.5
n÷3
26296373.666667
n÷3
19722280.25
n÷5
15777824.2
n2
6223493412152641
n3
4.9096592483401E+23
n4
3.8731870251107E+31
n5
3.0555231987959E+39
2 √n
8881.954796102
3 √n
428.88320436813
4 √n
94.244123403542
5 √n
37.966750071837
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
-78889120
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 78889121 can be divided by 8 positive divisors.
The sum of these divisors (counting 78889121) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101100111100000010100001
3
Ternary
12111102222112022
4
Quaternary
10230330002201
5
Quinary
130143422441
6
Senary
11454511225
8
Octal
454740241
10
Decimal
78889121
12
Duodecimal
22505515
16
Hexadecimal
4b3c0a1
20
Vigesimal
14d12g1
36
Base36
1ayv8h
md5
bceb4cafdc48acc5f6a776b4468020ad
sha1
e4dc036533f8a1a2a12e222ed9b8e485dc4f05c4
sha256
fac1a7c3af8bfb0ef5ac986f55603ffda5f5c6d4b981399767109ee70380da4d
sha512
e61fdee668d524af828ebb6d76a7fbebbe8a79ac72bdc8354f9224ec347dd59eb17636969e1499a13e85493d2b329daada6d8a4435b157ca9a240854d2eff61f
ripemd-160
b62ba7dfa3c30084eeb2ad940339505e3f438853
Diameter
157778242
Circumference
495674965.96351
Area
1.9551681183283E+16
Volume
2.0565532568286E+24
Surface area
7.8206724733133E+16
Circumference
495674965.96351
Perimeter
315556484
Area
6223493412152641
Diagonal
111566064.84189
Surface area
37340960472915846
Volume
4.9096592483401E+23
Space diagonal
136639965.73645
Perimeter
236667363
Area
2.6948516976046E+15
Altitude
68319982.868224
Surface area
2.6948516976046E+15
Volume
5.7860889130276E+22
Height
37188688.280631