78389628 is an even 8-digits composite number following 78389627
and preceding 78389629 . In scientific notation, it is written as 7.8389628 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 12 positive divisors.
There are 26129872 positive integers (up to 78389628) that are relatively prime to 78389628.
78389628 has 12 divisors, whose sum is 182909160
The reverse of 78389628 is 82698387
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
seventy-eight million three hundred eighty-nine thousand six hundred twenty-eight
Scientific notation
7.8389628 × 10^7
Engineering notation
7.8389628 × 10^6
Prime Factorization
2 × 2 × 3 × 6532469
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
39194814
Product of the distinct prime numbers
The prime factorization of 78389628 is 2 × 2 × 3 × 6532469.
Since it has a total of 4 prime factors.
8 , 2 , 15 , 35 , 507 , 977 , 4514 , 7680 , 1579 , 41019 , 860659 , 608063 , 2553985 , 4779230 , 69191145 , 51694465 , 152073548 , 851985485 , 1771132021 , 4234199405
n×2
156779256
n×3
235168884
n×4
313558512
n×5
391948140
n÷2
39194814
n÷3
26129876
n÷3
19597407
n÷5
15677925.6
n2
6144933777978384
n3
4.8169907294036E+23
n4
3.776021113574E+31
n5
2.9600089041321E+39
2 √n
8853.7917301007
3 √n
427.9761173968
4 √n
94.09458927112
5 √n
37.918549919271
1 , 2 , 3 , 4 , 6 , 12 , 6532469 , 13064938 , 19597407 , 26129876 , 39194814 , 78389628
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
-78389627
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 78389628 can be divided by 12 positive divisors.
The sum of these divisors (counting 78389628) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101011000010000101111100
3
Ternary
12110111121100120
4
Quaternary
10223002011330
5
Quinary
130031432003
6
Senary
11440054540
8
Octal
453020574
10
Decimal
78389628
12
Duodecimal
22304450
16
Hexadecimal
4ac217c
20
Vigesimal
149ie18
36
Base36
1ao5to
md5
d2dd6121cf08c358b7f88c5fd4906ca9
sha1
4a6350c5269b2fc1752346d674bc35aecfd15765
sha256
75a0da061c55be62e9ad019e8e06f07060080d4a036e6a21bf9067ca8ade115b
sha512
64ade3d53d67e3ec4921fc097da1a2a24d019d008a41e380b7bb923d336eb0567f3e93a892bbf8365fb58d8f8371a7b09fc46636d3cb739b9aaa723f9af3a323
ripemd-160
f933f92e09071d20e3f21a353f433a972ed483a0
Diameter
156779256
Circumference
492536558.88487
Area
1.9304878813693E+16
Volume
2.0177363583873E+24
Surface area
7.7219515254771E+16
Circumference
492536558.88487
Perimeter
313558512
Area
6144933777978384
Diagonal
110859675.06698
Surface area
36869602667870304
Volume
4.8169907294036E+23
Space diagonal
135774818.48242
Perimeter
235168884
Area
2.6608343781512E+15
Altitude
67887409.241212
Surface area
2.6608343781512E+15
Volume
5.6768780161234E+22
Height
36953225.022327