7940778821 is an odd 10-digits composite number following 7940778820
and preceding 7940778822 . In scientific notation, it is written as 7.940778821 × 10^9.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 7928979072 positive integers (up to 7940778821) that are relatively prime to 7940778821.
7940778821 has 4 divisors, whose sum is 7952578572
The reverse of 7940778821 is 1288770497
Previous prime number is 673
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 53
Digital Root 8
Name
seven billion nine hundred forty million seven hundred seventy-eight thousand eight hundred twenty-one
Scientific notation
7.940778821 × 10^9
Engineering notation
7.940778821 × 10^9
Prime Factorization
673 × 11799077
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
7940778821
Product of the distinct prime numbers
The prime factorization of 7940778821 is 673 × 11799077.
Since it has a total of 2 prime factors.
1 , 8 , 21 , 45 , 696 , 610 , 6238 , 2864 , 31752 , 49515 , 425527 , 616317 , 1244293 , 6064160 , 54095917 , 91326087 , 218366946 , 100180553 , 3293080527 , 8432729468
n×2
15881557642
n×3
23822336463
n×4
31763115284
n×5
39703894105
n÷2
3970389410.5
n÷3
2646926273.6667
n÷3
1985194705.25
n÷5
1588155764.2
n2
6.3055968284042E+19
n3
5.0071349748757E+29
n4
3.9760551362381E+39
n5
3.1572974416968E+49
2 √n
89111.047693314
3 √n
1995.0526738228
4 √n
298.51473614097
5 √n
95.493238041957
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
-7940778820
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 7940778821 can be divided by 4 positive divisors.
The sum of these divisors (counting 7940778821) is 1, the average is 0.25.
Base
System
Value
2
Binary
111011001010011101010101101000101
3
Ternary
202111101222100201022
4
Quaternary
13121103222231011
5
Quinary
112230314410241
6
Senary
3351542240525
8
Octal
73123525505
10
Decimal
7940778821
12
Duodecimal
1657426145
16
Hexadecimal
1d94eab45
20
Vigesimal
6419h711
36
Base36
3nbqg5h
md5
bf3b26ed6cc379c23423b3a70c3416c4
sha1
119a7c776af34f46f27ff245eebea34fec8bde26
sha256
888ce4494c018a1b4328c61de6feccc51503d72aea263c078069956ff1640d49
sha512
f31942ea7ea5986b4ef0ef5fc0894981e9a530e4a1e2cd59dc2da8b9a042690bde26a8bf79ad0419e9bbcfeccb3f3a5a2ef9c115cda8e2de29b9023e3b2958ca
ripemd-160
2c8ee3a71cd6700b3f8e468bdff9e0b1e8e17c23
Diameter
15881557642
Circumference
49893384815.67
Area
1.9809616672614E+20
Volume
2.0973837936803E+30
Surface area
7.9238466690455E+20
Circumference
49893384815.67
Perimeter
31763115284
Area
6.3055968284042E+19
Diagonal
11229957104.463
Surface area
3.7833580970425E+20
Volume
5.0071349748757E+29
Space diagonal
13753832369.639
Perimeter
23822336463
Area
2.7304035197103E+19
Altitude
6876916184.8194
Surface area
2.7304035197103E+19
Volume
5.9009651584182E+28
Height
3743319034.8211