681003721 is an odd 9-digits composite number following 681003720
and preceding 681003722 . In scientific notation, it is written as 6.81003721 × 10^8.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 679810500 positive integers (up to 681003721) that are relatively prime to 681003721.
681003721 has 4 divisors, whose sum is 682196944
The reverse of 681003721 is 127300186
Previous prime number is 571
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
six hundred eighty-one million three thousand seven hundred twenty-one
Scientific notation
6.81003721 × 10^8
Engineering notation
6.81003721 × 10^6
Prime Factorization
571 × 1192651
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
681003721
Product of the distinct prime numbers
The prime factorization of 681003721 is 571 × 1192651.
Since it has a total of 2 prime factors.
5 , 5 , 96 , 84 , 95 , 577 , 6268 , 6235 , 50806 , 18406 , 291856 , 999399 , 736533 , 2623340 , 52257020 , 34125063 , 943348147 , 368502272 , 5512894007 , 4040040111
n×2
1362007442
n×3
2043011163
n×4
2724014884
n×5
3405018605
n÷2
340501860.5
n÷3
227001240.33333
n÷3
170250930.25
n÷5
136200744.2
n2
463766068015845841
n3
3.1582641799233E+26
n4
2.1507896584288E+35
n5
1.4646957604783E+44
2 √n
26096.047995817
3 √n
879.79838743908
4 √n
161.54271260511
5 √n
58.429194200823
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-681003720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 681003721 can be divided by 4 positive divisors.
The sum of these divisors (counting 681003721) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000100101110100101011001001
3
Ternary
1202110102120111001
4
Quaternary
220211310223021
5
Quinary
2343314104341
6
Senary
151324135001
8
Octal
5045645311
10
Decimal
681003721
12
Duodecimal
170097461
16
Hexadecimal
28974ac9
20
Vigesimal
acg5961
36
Base36
b9g9u1
md5
19c0e1708956191ca66d754c4f4a6b29
sha1
c824c78dc4ee08b648696242c29471fd37cd365f
sha256
8a28953fc58538b3c13536c75f0367852c59c2dfecdc07839570d5db896cef2c
sha512
569321514dc262fa6462c3f3b413138ccb39601bd5f9df1693bbbd4ffebbade1d649161ed03998376f41ebd6d18c3e412d775883fbd4ef5002f4f845d33d3727
ripemd-160
bfd9b6a7bc16d75c074618480dee355c698e8e35
Diameter
1362007442
Circumference
4278872573.9218
Area
1.4569640722628E+18
Volume
1.322930606099E+27
Surface area
5.8278562890512E+18
Circumference
4278872573.9218
Perimeter
2724014884
Area
463766068015845841
Diagonal
963084698.26474
Surface area
2782596408095075046
Volume
3.1582641799233E+26
Space diagonal
1179533044.9155
Perimeter
2043011163
Area
2.0081659815747E+17
Altitude
589766522.45773
Surface area
2.0081659815747E+17
Volume
3.7220500306706E+25
Height
321028232.75491