681509968 is an even 9-digits composite number following 681509967
and preceding 681509969 . In scientific notation, it is written as 6.81509968 × 10^8.
The sum of its digits is 52. It has a total of 6 prime factors and 20 positive divisors.
There are 340400480 positive integers (up to 681509968) that are relatively prime to 681509968.
681509968 has 20 divisors, whose sum is 1321799328
The reverse of 681509968 is 869905186
Previous prime number is 983
Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7
Name
six hundred eighty-one million five hundred nine thousand nine hundred sixty-eight
Scientific notation
6.81509968 × 10^8
Engineering notation
6.81509968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 983 × 43331
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
85188746
Product of the distinct prime numbers
The prime factorization of 681509968 is 2 × 2 × 2 × 2 × 983 × 43331.
Since it has a total of 6 prime factors.
5 , 1 , 100 , 35 , 402 , 530 , 9971 , 4160 , 41689 , 17058 , 138488 , 152481 , 2348151 , 3011540 , 67912608 , 48554719 , 813713664 , 25911431 , 9133509989 , 3116131877
n×2
1363019936
n×3
2044529904
n×4
2726039872
n×5
3407549840
n÷2
340754984
n÷3
227169989.33333
n÷3
170377492
n÷5
136301993.6
n2
464455836483361024
n3
3.1653128225919E+26
n4
2.1571922404346E+35
n5
1.4701480147484E+44
2 √n
26105.745880936
3 √n
880.0163426717
4 √n
161.57272629047
5 √n
58.437878679832
1 , 2 , 4 , 8 , 16 , 983 , 1966 , 3932 , 7864 , 15728 , 43331 , 86662 , 173324 , 346648 , 693296 , 42594373 , 85188746 , 170377492 , 340754984 , 681509968
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-681509967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 681509968 can be divided by 20 positive divisors.
The sum of these divisors (counting 681509968) is 1, the average is 0.05.
Base
System
Value
2
Binary
101000100111110000010001010000
3
Ternary
1202111101021220221
4
Quaternary
220213300101100
5
Quinary
2343431304333
6
Senary
151343042424
8
Octal
5047602120
10
Decimal
681509968
12
Duodecimal
1702a0414
16
Hexadecimal
289f0450
20
Vigesimal
acj8ei8
36
Base36
b9r4gg
md5
99f325197d04877f7e81d8b6a72f3dfd
sha1
39e5be017c4938a43b8ecbd0d514cc9c5793116e
sha256
24993145c2003693d518ed1ee799e09b248d2aa841fb548c679c30eced1db0e4
sha512
f142191dda88b3950609a1f83a4653cc4bd117a1f8c97a0dfe931e52c800e8a3b0b07ea7cc167f938eff2b18d393068fbf16525766d2bae3806aa7d0b841efd8
ripemd-160
4858d68b84a7a65b643e422a23a8222de059e77e
Diameter
1363019936
Circumference
4282053417.634
Area
1.459131043813E+18
Volume
1.3258831346358E+27
Surface area
5.8365241752521E+18
Circumference
4282053417.634
Perimeter
2726039872
Area
464455836483361024
Diagonal
963800639.63805
Surface area
2786735018900166144
Volume
3.1653128225919E+26
Space diagonal
1180409890.4406
Perimeter
2044529904
Area
2.0111527666527E+17
Altitude
590204945.22032
Surface area
2.0111527666527E+17
Volume
3.7303569357191E+25
Height
321266879.87935