781608968 is an even 9-digits composite number following 781608967
and preceding 781608969 . In scientific notation, it is written as 7.81608968 × 10^8.
The sum of its digits is 53. It has a total of 5 prime factors and 16 positive divisors.
There are 334975248 positive integers (up to 781608968) that are relatively prime to 781608968.
781608968 has 16 divisors, whose sum is 1674876480
The reverse of 781608968 is 869806187
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 53
Digital Root 8
Name
seven hundred eighty-one million six hundred eight thousand nine hundred sixty-eight
Scientific notation
7.81608968 × 10^8
Engineering notation
7.81608968 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 13957303
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
195402242
Product of the distinct prime numbers
The prime factorization of 781608968 is 2 × 2 × 2 × 7 × 13957303.
Since it has a total of 5 prime factors.
1 , 6 , 47 , 50 , 246 , 929 , 7471 , 9334 , 59418 , 29155 , 43881 , 34082 , 30178 , 5096896 , 6325606 , 90872148 , 150807957 , 917924983 , 1559672164 , 9663445642
n×2
1563217936
n×3
2344826904
n×4
3126435872
n×5
3908044840
n÷2
390804484
n÷3
260536322.66667
n÷3
195402242
n÷5
156321793.6
n2
610912578858025024
n3
4.7749475029944E+26
n4
3.7321417900696E+35
n5
2.917075492966E+44
2 √n
27957.270396088
3 √n
921.14891433207
4 √n
167.20427744555
5 √n
60.061739600039
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 13957303 , 27914606 , 55829212 , 97701121 , 111658424 , 195402242 , 390804484 , 781608968
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-781608967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 781608968 can be divided by 16 positive divisors.
The sum of these divisors (counting 781608968) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101110100101100110100000001000
3
Ternary
2000110201211221022
4
Quaternary
232211212200020
5
Quinary
3100042441333
6
Senary
205320332012
8
Octal
5645464010
10
Decimal
781608968
12
Duodecimal
199914008
16
Hexadecimal
2e966808
20
Vigesimal
c451288
36
Base36
cxclc8
md5
cf1d849cf0c1aa9dd753670c007061b2
sha1
7eae98a21721acd2e14f8d8cf2a58bd8d0c04227
sha256
0fe4011823c966f9d7196d2cef23f5acee569f6dfe135f87b1361f8fbb7231d9
sha512
f47a04afbe98e65dd33e67fad62e33b350dfe0bb70ff441d4216404ee502e781622325f348ead58cefa0e0dda7b78f8472bd299f4c4d440d4b63643580dac2ea
ripemd-160
116452ced827a0fa30c59c411bea760f18777374
Diameter
1563217936
Circumference
4910993983.6974
Area
1.919238469726E+18
Volume
2.0001253328912E+27
Surface area
7.6769538789039E+18
Circumference
4910993983.6974
Perimeter
3126435872
Area
610912578858025024
Diagonal
1105362003.018
Surface area
3665475473148150144
Volume
4.7749475029944E+26
Space diagonal
1353786444.2275
Perimeter
2344826904
Area
2.6453290639126E+17
Altitude
676893222.11374
Surface area
2.6453290639126E+17
Volume
5.6273295986285E+25
Height
368454001.00601