78889889 is an odd 8-digits composite number following 78889888
and preceding 78889890 . In scientific notation, it is written as 7.8889889 × 10^7.
The sum of its digits is 65. It has a total of 3 prime factors and 8 positive divisors.
There are 70310016 positive integers (up to 78889889) that are relatively prime to 78889889.
78889889 has 8 divisors, whose sum is 87888360
The reverse of 78889889 is 98898887
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 65
Digital Root 2
Name
seventy-eight million eight hundred eighty-nine thousand eight hundred eighty-nine
Scientific notation
7.8889889 × 10^7
Engineering notation
7.8889889 × 10^6
Prime Factorization
13 × 29 × 209257
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78889889
Product of the distinct prime numbers
The prime factorization of 78889889 is 13 × 29 × 209257.
Since it has a total of 3 prime factors.
3 , 5 , 64 , 44 , 776 , 570 , 6735 , 817 , 45565 , 3702 , 493132 , 158330 , 7300728 , 3303029 , 63228760 , 72578156 , 833457398 , 977408774 , 5095835194 , 337044989
n×2
157779778
n×3
236669667
n×4
315559556
n×5
394449445
n÷2
39444944.5
n÷3
26296629.666667
n÷3
19722472.25
n÷5
15777977.8
n2
6223614586432321
n3
4.9098026390243E+23
n4
3.8733378520453E+31
n5
3.0556719320735E+39
2 √n
8881.9980297228
3 √n
428.88459611572
4 √n
94.244352773643
5 √n
37.966823994198
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
-78889888
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 78889889 can be divided by 8 positive divisors.
The sum of these divisors (counting 78889889) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101100111100001110100001
3
Ternary
12111110000120202
4
Quaternary
10230330032201
5
Quinary
130143434024
6
Senary
11454514545
8
Octal
454741641
10
Decimal
78889889
12
Duodecimal
22505a55
16
Hexadecimal
4b3c3a1
20
Vigesimal
14d14e9
36
Base36
1ayvtt
md5
1df9d803051a814783d7f1d866ef4079
sha1
1a293d5f2249cb8847ec404b32084d673014c088
sha256
9b6b983feac6c6a6dd682eea0b9cede9324845bd4a025d315724e932f9e36c9e
sha512
572fcc3f4446097bed573b07152149227d926a2fa7080cc4d43a512a483fcbb4291ba1c7d0e50c0a254cb9ae5acc9b591d6c7388862d82ab0d1ba0c6395e6808
ripemd-160
4f3333b10b410f3eb5e5f486bd5c80653e07f408
Diameter
157779778
Circumference
495679791.44983
Area
1.955206186351E+16
Volume
2.0566133201779E+24
Surface area
7.820824745404E+16
Circumference
495679791.44983
Perimeter
315559556
Area
6223614586432321
Diagonal
111567150.95791
Surface area
37341687518593926
Volume
4.9098026390243E+23
Space diagonal
136641295.95147
Perimeter
236669667
Area
2.6949041676069E+15
Altitude
68320647.975735
Surface area
2.6949041676069E+15
Volume
5.7862579005694E+22
Height
37189050.319303