78889408 is an even 8-digits composite number following 78889407
and preceding 78889409 . In scientific notation, it is written as 7.8889408 × 10^7.
The sum of its digits is 52. It has a total of 8 prime factors and 28 positive divisors.
There are 36410112 positive integers (up to 78889408) that are relatively prime to 78889408.
78889408 has 28 divisors, whose sum is 168589960
The reverse of 78889408 is 80498887
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
seventy-eight million eight hundred eighty-nine thousand four hundred eight
Scientific notation
7.8889408 × 10^7
Engineering notation
7.8889408 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 13 × 94819
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
2465294
Product of the distinct prime numbers
The prime factorization of 78889408 is 2 × 2 × 2 × 2 × 2 × 2 × 13 × 94819.
Since it has a total of 8 prime factors.
5 , 8 , 77 , 35 , 993 , 505 , 7493 , 3622 , 32066 , 76541 , 756315 , 524346 , 8235453 , 8283560 , 40574079 , 56068456 , 831682167 , 677856579 , 5033565105 , 3513530698
n×2
157778816
n×3
236668224
n×4
315557632
n×5
394447040
n÷2
39444704
n÷3
26296469.333333
n÷3
19722352
n÷5
15777881.6
n2
6223538694590464
n3
4.9097128328133E+23
n4
3.8732433883065E+31
n5
3.0555787794341E+39
2 √n
8881.9709524407
3 √n
428.88372446236
4 √n
94.244209118867
5 √n
37.966777696536
1 , 2 , 4 , 8 , 13 , 16 , 26 , 32 , 52 , 64 , 104 , 208 , 416 , 832 , 94819 , 189638 , 379276 , 758552 , 1232647 , 1517104 , 2465294 , 3034208 , 4930588 , 6068416 , 9861176 , 19722352 , 39444704 , 78889408
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78889407
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78889408 can be divided by 28 positive divisors.
The sum of these divisors (counting 78889408) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
100101100111100000111000000
3
Ternary
12111102222220221
4
Quaternary
10230330013000
5
Quinary
130143430113
6
Senary
11454512424
8
Octal
454740700
10
Decimal
78889408
12
Duodecimal
22505714
16
Hexadecimal
4b3c1c0
20
Vigesimal
14d13a8
36
Base36
1ayvgg
md5
eb0ff215bc6743db15357a277e424cb5
sha1
db78659b257b75d9e18ff48e602077ae366a393b
sha256
dc1e62fcb53b10e62f1ed717bd14d50e8fcb0314a463a41eb2a7f94947bc3c55
sha512
95bf99245ac73d28bbc7078d2592b711e8b91fb36e46f6f39d953d814c29319837759faeaa1c8384fa79a10f6713cc9636e302424aadef443683fbfc0612c22b
ripemd-160
b39a25f88bf0ff9041dff552adc1074ddf5c3c37
Diameter
157778816
Circumference
495676769.2377
Area
1.9551823442257E+16
Volume
2.0565757022403E+24
Surface area
7.8207293769029E+16
Circumference
495676769.2377
Perimeter
315557632
Area
6223538694590464
Diagonal
111566470.72118
Surface area
37341232167542784
Volume
4.9097128328133E+23
Space diagonal
136640462.83503
Perimeter
236668224
Area
2.6948713054754E+15
Altitude
68320231.417515
Surface area
2.6948713054754E+15
Volume
5.7861520629349E+22
Height
37188823.573728