681957221 is an odd 9-digits composite number following 681957220
and preceding 681957222 . In scientific notation, it is written as 6.81957221 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 619961100 positive integers (up to 681957221) that are relatively prime to 681957221.
681957221 has 4 divisors, whose sum is 743953344
The reverse of 681957221 is 122759186
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
six hundred eighty-one million nine hundred fifty-seven thousand two hundred twenty-one
Scientific notation
6.81957221 × 10^8
Engineering notation
6.81957221 × 10^6
Prime Factorization
11 × 61996111
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
681957221
Product of the distinct prime numbers
The prime factorization of 681957221 is 11 × 61996111.
Since it has a total of 2 prime factors.
4 , 4 , 54 , 65 , 796 , 659 , 2936 , 4353 , 46598 , 46386 , 670667 , 237951 , 2223571 , 1558180 , 34067438 , 69613817 , 229837937 , 173126600 , 221554259 , 3692657501
n×2
1363914442
n×3
2045871663
n×4
2727828884
n×5
3409786105
n÷2
340978610.5
n÷3
227319073.66667
n÷3
170489305.25
n÷5
136391444.2
n2
465065651274042841
n3
3.171548791254E+26
n4
2.1628605999495E+35
n5
1.474978404152E+44
2 √n
26114.310655271
3 √n
880.20880935061
4 √n
161.59922851075
5 √n
58.445546845951
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
-681957220
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 681957221 can be divided by 4 positive divisors.
The sum of these divisors (counting 681957221) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000101001011101011101100101
3
Ternary
1202112020000102212
4
Quaternary
220221131131211
5
Quinary
2344040112341
6
Senary
151400413205
8
Octal
5051353545
10
Decimal
681957221
12
Duodecimal
170477205
16
Hexadecimal
28a5d765
20
Vigesimal
ad24d11
36
Base36
ba0pk5
md5
5debca861f9c7cfd4d3bf81b5d64efab
sha1
d03e46fb33a75984bdf3ee6e8a0b30c1d7e99e5f
sha256
08b99b5a9e8bd8f4ce20e91e63bd46023b9d3d2de6444b53eb9d3a3055ba4828
sha512
dd41c446d73bbb4a44c02d52ac93a8f80632be7ff377ec53f9bc49ec6c82760edfc47a11f466aa55c5b5eae7eb6b4fde715ae99c1c26f1b2060ee2cc6e592a71
ripemd-160
5eeb273e5e83ee17789d3d155a9e3bf02e392efb
Diameter
1363914442
Circumference
4284863591.1122
Area
1.4610468334795E+18
Volume
1.3284952510807E+27
Surface area
5.8441873339179E+18
Circumference
4284863591.1122
Perimeter
2727828884
Area
465065651274042841
Diagonal
964433150.89647
Surface area
2790393907644257046
Volume
3.171548791254E+26
Space diagonal
1181184555.3605
Perimeter
2045871663
Area
2.0137933421544E+17
Altitude
590592277.68024
Surface area
2.0137933421544E+17
Volume
3.7377060952662E+25
Height
321477716.96549