681661641 is an odd 9-digits composite number following 681661640
and preceding 681661642 . In scientific notation, it is written as 6.81661641 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 446991120 positive integers (up to 681661641) that are relatively prime to 681661641.
681661641 has 8 divisors, whose sum is 923782144
The reverse of 681661641 is 146166186
Previous prime number is 61
Is Prime? no Number parity odd Number length 9 Sum of Digits 39 Digital Root 3
Name
six hundred eighty-one million six hundred sixty-one thousand six hundred forty-one
Scientific notation
6.81661641 × 10^8
Engineering notation
6.81661641 × 10^6
Prime Factorization
3 × 61 × 3724927
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
681661641 Product of the distinct prime numbers
The prime factorization of 681661641 is 3 × 61 × 3724927.
Since it has a total of 3 prime factors.
6 , 1 , 62 , 1 , 229 , 337 , 7199 , 553 , 62873 , 4202 , 621780 , 943950 , 5977122 , 2098393 , 20061022 , 60650426 , 127248436 , 349715059 , 8996709300 , 1476647107
n×2
1363323282
n×3
2044984923
n×4
2726646564
n×5
3408308205
n÷2
340830820.5
n÷3
227220547
n÷3
170415410.25
n÷5
136332328.2
n2
464662592810812881
n3
3.1674266552673E+26
n4
2.1591132515767E+35
n5
1.4717846821746E+44
2 √n26108.650692826
3 √n880.08162164752
4 √n161.58171521811
5 √n58.440479568991
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
-681661640 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 681661641 can be divided by 8 positive divisors.
The sum of these divisors (counting 681661641) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000101000010101010011001001
3
Ternary
1202111122222222110
4
Quaternary
220220111103021
5
Quinary
2344001133031
6
Senary
151350212533
8
Octal
5050252311
10
Decimal
681661641
12
Duodecimal
170354149
16
Hexadecimal
28a154c9
20
Vigesimal
ad07e21
36
Base36
b9udhl
md5
802e56607d1f4f90c223df4058d465e2
sha1
36a0f2099a8cdfa7e7b249021d9f7a250b23e022
sha256
d34b07c61f4552f8cd3f00d8a3399f4eeadae80ad7a06282c1ec63485b68d667
sha512
2fbd78e06f218fdc0f817190f16fcbc568c21d0c282fc5e8bb235857557f494523678d4bed2399e52f8e3118d1493ab6a9e67d87d31e206b0a7c5c1cd5981782
ripemd-160
a58c02cf0707402e09586b0f1b6d837dc6137bb1
Diameter
1363323282
Circumference
4283006407.1991
Area
1.4597805879724E+18
Volume
1.3267685747963E+27
Surface area
5.8391223518897E+18
Circumference
4283006407.1991
Perimeter
2726646564
Area
464662592810812881
Diagonal
964015137.6517
Surface area
2787975556864877286
Volume
3.1674266552673E+26
Space diagonal
1180672595.7828
Perimeter
2044984923
Area
2.0120480478125E+17
Altitude
590336297.89139
Surface area
2.0120480478125E+17
Volume
3.7328481114176E+25
Height
321338379.21723