681736894 is an even 9-digits composite number following 681736893
and preceding 681736895 . In scientific notation, it is written as 6.81736894 × 10^8.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 338963976 positive integers (up to 681736894) that are relatively prime to 681736894.
681736894 has 8 divisors, whose sum is 1028318760
The reverse of 681736894 is 498637186
Previous prime number is 179
Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7
Name
six hundred eighty-one million seven hundred thirty-six thousand eight hundred ninety-four
Scientific notation
6.81736894 × 10^8
Engineering notation
6.81736894 × 10^6
Prime Factorization
2 × 179 × 1904293
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
681736894
Product of the distinct prime numbers
The prime factorization of 681736894 is 2 × 179 × 1904293.
Since it has a total of 3 prime factors.
4 , 4 , 69 , 70 , 971 , 307 , 858 , 2962 , 15093 , 38526 , 406693 , 527405 , 3279853 , 9093239 , 93587181 , 71699071 , 313798577 , 476257404 , 6571409209 , 3783729865
n×2
1363473788
n×3
2045210682
n×4
2726947576
n×5
3408684470
n÷2
340868447
n÷3
227245631.33333
n÷3
170434223.5
n÷5
136347378.8
n2
464765192640767236
n3
3.1684757887023E+26
n4
2.1600668429041E+35
n5
1.4725972603138E+44
2 √n
26110.091803745
3 √n
880.11400640721
4 √n
161.58617454394
5 √n
58.441769835879
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
-681736893
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 681736894 can be divided by 8 positive divisors.
The sum of these divisors (counting 681736894) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000101000100111101010111110
3
Ternary
1202111210211012121
4
Quaternary
220220213222332
5
Quinary
2344011040034
6
Senary
151351553154
8
Octal
5050475276
10
Decimal
681736894
12
Duodecimal
17038b7ba
16
Hexadecimal
28a27abe
20
Vigesimal
ad0h24e
36
Base36
b9vzjy
md5
8c8a8caa7ec0fd861197f92a75dff20b
sha1
43fcf952ab0f66efab2756eb23da32cc4ce2ae25
sha256
f68a7d766f2af6edafe4eab1aa2747c4610d42e3ce55bdffb37902e42561a98c
sha512
45b425e8889fd5254b2c9f91bfc227f81792b74bdb0c1d63374f3a7473f5acb6cf760ae10d9606cc2a365c5b7a6cc5f49e1d704fdb5526f8e898006b6fc2847e
ripemd-160
4aa4b1fa8978f517ec9991a5f06f28f44e81c27e
Diameter
1363473788
Circumference
4283479235.743
Area
1.4601029148445E+18
Volume
1.3272080347819E+27
Surface area
5.8404116593779E+18
Circumference
4283479235.743
Perimeter
2726947576
Area
464765192640767236
Diagonal
964121561.46491
Surface area
2788591155844603416
Volume
3.1684757887023E+26
Space diagonal
1180802937.8022
Perimeter
2045210682
Area
2.0124923181084E+17
Altitude
590401468.9011
Surface area
2.0124923181084E+17
Volume
3.734084527028E+25
Height
321373853.82164