78421649 is an odd 8-digits composite number following 78421648
and preceding 78421650 . In scientific notation, it is written as 7.8421649 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 78305136 positive integers (up to 78421649) that are relatively prime to 78421649.
78421649 has 4 divisors, whose sum is 78538164
The reverse of 78421649 is 94612487
Previous prime number is 677
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
seventy-eight million four hundred twenty-one thousand six hundred forty-nine
Scientific notation
7.8421649 × 10^7
Engineering notation
7.8421649 × 10^6
Prime Factorization
677 × 115837
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78421649
Product of the distinct prime numbers
The prime factorization of 78421649 is 677 × 115837.
Since it has a total of 2 prime factors.
2 , 9 , 31 , 17 , 632 , 213 , 6771 , 4819 , 80536 , 27725 , 27166 , 193233 , 242493 , 9639455 , 47725193 , 94931386 , 27442621 , 490964004 , 6900631032 , 7652559193
n×2
156843298
n×3
235264947
n×4
313686596
n×5
392108245
n÷2
39210824.5
n÷3
26140549.666667
n÷3
19605412.25
n÷5
15684329.8
n2
6149955031879201
n3
4.8228961487581E+23
n4
3.7821946894136E+31
n5
2.9660594438286E+39
2 √n
8855.599866751
3 √n
428.03438342866
4 √n
94.104196860453
5 √n
37.921647246239
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78421648
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78421649 can be divided by 4 positive divisors.
The sum of these divisors (counting 78421649) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101011001001111010010001
3
Ternary
12110120020021112
4
Quaternary
10223021322101
5
Quinary
130033443044
6
Senary
11440503105
8
Octal
453117221
10
Decimal
78421649
12
Duodecimal
2231aa95
16
Hexadecimal
4ac9e91
20
Vigesimal
14a2e29
36
Base36
1aouj5
md5
1123748937a6b03c836626e653fc8078
sha1
58c8a511a8ee727f18aa2c7d5d306bac4ae4a68f
sha256
610607dbb74ee4a0bb20dad162e2e7648c15c7b0214fe7746c3fc404fb705d31
sha512
5b9b4a40746b2b32689fd7c5b943b556a64a98cd89c7593c164c80d2be5a51dc7281c9e77b553218ec70ef26019be624652b9df205315eb4b09bb91ea7a81826
ripemd-160
0b99e24b58028232d31f99010c2cf9d02be2f2a0
Diameter
156843298
Circumference
492737752.76159
Area
1.9320653548059E+16
Volume
2.020210014662E+24
Surface area
7.7282614192237E+16
Circumference
492737752.76159
Perimeter
313686596
Area
6149955031879201
Diagonal
110904959.59946
Surface area
36899730191275206
Volume
4.8228961487581E+23
Space diagonal
135830280.48133
Perimeter
235264947
Area
2.6630086448697E+15
Altitude
67915140.240667
Surface area
2.6630086448697E+15
Volume
5.6838376195756E+22
Height
36968319.866487