8640781357 is an odd 10-digits composite number following 8640781356
and preceding 8640781358 . In scientific notation, it is written as 8.640781357 × 10^9.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 7972087872 positive integers (up to 8640781357) that are relatively prime to 8640781357.
8640781357 has 8 divisors, whose sum is 9310144536
The reverse of 8640781357 is 7531870468
Previous prime number is 1997
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 49
Digital Root 4
Name
eight billion six hundred forty million seven hundred eighty-one thousand three hundred fifty-seven
Scientific notation
8.640781357 × 10^9
Engineering notation
8.640781357 × 10^9
Prime Factorization
13 × 1997 × 332837
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
8640781357
Product of the distinct prime numbers
The prime factorization of 8640781357 is 13 × 1997 × 332837.
Since it has a total of 3 prime factors.
1 , 1 , 89 , 6 , 48 , 260 , 2650 , 6083 , 98975 , 24734 , 957214 , 746874 , 9341747 , 7905523 , 76649295 , 30987827 , 909678719 , 818700003 , 6798328380 , 381367536
n×2
17281562714
n×3
25922344071
n×4
34563125428
n×5
43203906785
n÷2
4320390678.5
n÷3
2880260452.3333
n÷3
2160195339.25
n÷5
1728156271.4
n2
7.4663102459479E+19
n3
6.4514754378764E+29
n4
5.5745788688746E+39
n5
4.8168717163298E+49
2 √n
92955.803245413
3 √n
2052.0329907065
4 √n
304.88654159443
5 √n
97.120431484828
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-8640781356
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 8640781357 can be divided by 8 positive divisors.
The sum of these divisors (counting 8640781357) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000000011000001111101110000101101
3
Ternary
211022012011011200011
4
Quaternary
20003001331300231
5
Quinary
120144020000412
6
Senary
3545225533221
8
Octal
100301756055
10
Decimal
8640781357
12
Duodecimal
1811944211
16
Hexadecimal
20307dc2d
20
Vigesimal
6f04hd7h
36
Base36
3ywhxkd
md5
19d83f57cbf9635fa1b1f7fee885d301
sha1
e9494fa8a304f394ff68d364d5fb2993430ac6d1
sha256
9334f4270dec2c88454fe33211d560a3e0d7101ad023603a0af988a261d24529
sha512
c808e7ff9725bc91d3722a00058b854c674100152c15df9c73de3d78174364e240606c21e2850bdee49cbee188df8e5783c2470637002db94b1409b2a763635e
ripemd-160
9d812def57ed64ab36c9f04d72217bc39977e9fb
Diameter
17281562714
Circumference
54291630464.854
Area
2.3456105418092E+20
Volume
2.7023877120597E+30
Surface area
9.3824421672368E+20
Circumference
54291630464.854
Perimeter
34563125428
Area
7.4663102459479E+19
Diagonal
12219910184.57
Surface area
4.4797861475687E+20
Volume
6.4514754378764E+29
Space diagonal
14966272327.418
Perimeter
25922344071
Area
3.2330071727634E+19
Altitude
7483136163.709
Surface area
3.2330071727634E+19
Volume
7.6031367179681E+28
Height
4073303394.8567