681641 is an odd 6-digits composite number following 681640
and preceding 681642 . In scientific notation, it is written as 6.81641 × 10^5.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 667092 positive integers (up to 681641) that are relatively prime to 681641.
681641 has 4 divisors, whose sum is 696192
The reverse of 681641 is 146186
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 26
Digital Root 8
Name
six hundred eighty-one thousand six hundred forty-one
Scientific notation
6.81641 × 10^5
Engineering notation
6.81641 × 10^3
Prime Factorization
47 × 14503
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
681641
Product of the distinct prime numbers
The prime factorization of 681641 is 47 × 14503.
Since it has a total of 2 prime factors.
4 , 8 , 65 , 67 , 467 , 327 , 7320 , 3908 , 36559 , 30404 , 562666 , 418059 , 7182125 , 6375538 , 59609158 , 32394707 , 353213331 , 44505991 , 878695666 , 2835998511
n×2
1363282
n×3
2044923
n×4
2726564
n×5
3408205
n÷2
340820.5
n÷3
227213.66666667
n÷3
170410.25
n÷5
136328.2
n2
464634452881
n3
316713893096257721
n4
2.1588517480403E+23
n5
1.4715618643859E+29
2 √n
825.61552795475
3 √n
88.007273847782
4 √n
28.733526201195
5 √n
14.679495866154
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
-681640
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 681641 can be divided by 4 positive divisors.
The sum of these divisors (counting 681641) is 1, the average is 0.25.
Base
System
Value
2
Binary
10100110011010101001
3
Ternary
1021122000222
4
Quaternary
2212122221
5
Quinary
133303031
6
Senary
22335425
8
Octal
2463251
10
Decimal
681641
12
Duodecimal
28a575
16
Hexadecimal
a66a9
20
Vigesimal
45421
36
Base36
elyh
md5
fa07d54d03945536cb8547ca5671c066
sha1
ec87e9b68a72b54d163f50d236cbb9160c48db5f
sha256
c790b60ec1adcaa5e5fe5743e2b8caa408f29bbd4c1b088af4e49a1ba8bb505c
sha512
e32cc1856962365a8f2fc3d0a270345c5cde53bee055a998989d00f74cd0d733c4a2952cb5acc2c07a364c45ba7c2c00a59a8698f2add3c9aae213f2fd2c43d7
ripemd-160
0b5e727a812d038696a71ddc45af2633c158aa4b
Diameter
1363282
Circumference
4282876.7159712
Area
1459692183775.7
Volume
1.3266480531214E+18
Surface area
5838768735102.7
Circumference
4282876.7159712
Perimeter
2726564
Area
464634452881
Diagonal
963985.94686956
Surface area
2787806717286
Volume
316713893096257721
Space diagonal
1180636.8445221
Perimeter
2044923
Area
201192619834.21
Altitude
590318.42226103
Surface area
201192619834.21
Volume
3.7325090250726E+16
Height
321328.64895652