7897157420 is an even 10-digits composite number following 7897157419
and preceding 7897157421 . In scientific notation, it is written as 7.897157420 × 10^9.
The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors.
There are 3158862960 positive integers (up to 7897157420) that are relatively prime to 7897157420.
7897157420 has 12 divisors, whose sum is 16584030624
The reverse of 7897157420 is 0247517987
Previous prime number is 5
Is Prime? no
Number parity even
Number length 10
Sum of Digits 50
Digital Root 5
Name
seven billion eight hundred ninety-seven million one hundred fifty-seven thousand four hundred twenty
Scientific notation
7.897157420 × 10^9
Engineering notation
7.897157420 × 10^9
Prime Factorization
2 × 2 × 5 × 394857871
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3948578710
Product of the distinct prime numbers
The prime factorization of 7897157420 is 2 × 2 × 5 × 394857871.
Since it has a total of 4 prime factors.
5 , 7 , 52 , 26 , 248 , 366 , 5561 , 6738 , 57637 , 90852 , 467248 , 28277 , 2529955 , 4577773 , 88019842 , 57420068 , 156844531 , 182949579 , 5814830624 , 8497204521
n×2
15794314840
n×3
23691472260
n×4
31588629680
n×5
39485787100
n÷2
3948578710
n÷3
2632385806.6667
n÷3
1974289355
n÷5
1579431484
n2
6.2365095316261E+19
n3
4.9250697522582E+29
n4
3.8894051138063E+39
n5
3.0715244453882E+49
2 √n
88865.95197262
3 √n
1991.392796159
4 √n
298.1039281402
5 √n
95.3880913726
1 , 2 , 4 , 5 , 10 , 20 , 394857871 , 789715742 , 1579431484 , 1974289355 , 3948578710 , 7897157420
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
-7897157419
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 7897157420 can be divided by 12 positive divisors.
The sum of these divisors (counting 7897157420) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111010110101101010000111100101100
3
Ternary
202101100220011101212
4
Quaternary
13112231100330230
5
Quinary
112133133014140
6
Senary
3343343253552
8
Octal
72655207454
10
Decimal
7897157420
12
Duodecimal
16448aa2b8
16
Hexadecimal
1d6b50f2c
20
Vigesimal
637h4db0
36
Base36
3mlrhnw
md5
713843dd459c7b70c8970e4ee7a3feaa
sha1
438171f2cb9e709b2ed365b0a77ef08552d564d7
sha256
df1b3c746011351c2b7eae5468d885d513b4af7ab3a9c46b40fc218dad2072be
sha512
e7697e8ac54e8e798eb94fd62a25e865d51a72bd2179be78dbb26021ebce2069428b74f80f8d981dbc43ba7cb3f995eb03890df359698cef296b72efde727437
ripemd-160
4185e0437e84f6a04a975d3f771a9c2c0d241221
Diameter
15794314840
Circumference
49619303469.828
Area
1.9592572528599E+20
Volume
2.0630083936149E+30
Surface area
7.8370290114397E+20
Circumference
49619303469.828
Perimeter
31588629680
Area
6.2365095316261E+19
Diagonal
11168267127.559
Surface area
3.7419057189757E+20
Volume
4.9250697522582E+29
Space diagonal
13678277886.81
Perimeter
23691472260
Area
2.700487842666E+19
Altitude
6839138943.4048
Surface area
2.700487842666E+19
Volume
5.8042503660642E+28
Height
3722755709.1864