78389620 is an even 8-digits composite number following 78389619
and preceding 78389621 . In scientific notation, it is written as 7.8389620 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors.
There are 31355840 positive integers (up to 78389620) that are relatively prime to 78389620.
78389620 has 12 divisors, whose sum is 164618244
The reverse of 78389620 is 02698387
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-eight million three hundred eighty-nine thousand six hundred twenty
Scientific notation
7.8389620 × 10^7
Engineering notation
7.8389620 × 10^6
Prime Factorization
2 × 2 × 5 × 3919481
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
39194810
Product of the distinct prime numbers
The prime factorization of 78389620 is 2 × 2 × 5 × 3919481.
Since it has a total of 4 prime factors.
2 , 8 , 66 , 34 , 244 , 885 , 3296 , 1373 , 4215 , 72131 , 231883 , 14014 , 8729359 , 3163977 , 95919816 , 2427481 , 750962173 , 892894911 , 3972435547 , 9708099490
n×2
156779240
n×3
235168860
n×4
313558480
n×5
391948100
n÷2
39194810
n÷3
26129873.333333
n÷3
19597405
n÷5
15677924
n2
6144932523744400
n3
4.8169892546196E+23
n4
3.7760195721372E+31
n5
2.960007393724E+39
2 √n
8853.7912783169
3 √n
427.97610283786
4 √n
94.09458687043
5 √n
37.918549145321
1 , 2 , 4 , 5 , 10 , 20 , 3919481 , 7838962 , 15677924 , 19597405 , 39194810 , 78389620
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78389619
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78389620 can be divided by 12 positive divisors.
The sum of these divisors (counting 78389620) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101011000010000101110100
3
Ternary
12110111121100021
4
Quaternary
10223002011310
5
Quinary
130031431440
6
Senary
11440054524
8
Octal
453020564
10
Decimal
78389620
12
Duodecimal
22304444
16
Hexadecimal
4ac2174
20
Vigesimal
149ie10
36
Base36
1ao5tg
md5
09146ea85c290c3087d6fdf464045618
sha1
3b528b289cf2e2bdc4c0d5f187e54fe0bce3a785
sha256
8d2fc006e798ab08f771fde840c56040e6717708eea1fcfa914db3832884ce25
sha512
5585d2e28119e3ad223a3b4ec73b086c92e05d529768ef19a0f3852d63b36ab797510f1bafac5d72a9dd38c279c48d7364f4c1753693b1623b9d4fc56b8143b3
ripemd-160
64e2059e98cf35d471db81e236321e72544f4e12
Diameter
156779240
Circumference
492536508.61939
Area
1.93048748734E+16
Volume
2.0177357406312E+24
Surface area
7.7219499493602E+16
Circumference
492536508.61939
Perimeter
313558480
Area
6144932523744400
Diagonal
110859663.75327
Surface area
36869595142466400
Volume
4.8169892546196E+23
Space diagonal
135774804.62602
Perimeter
235168860
Area
2.6608338350519E+15
Altitude
67887402.313009
Surface area
2.6608338350519E+15
Volume
5.6768762780738E+22
Height
36953221.251091