681661525 is an odd 9-digits composite number following 681661524
and preceding 681661526 . In scientific notation, it is written as 6.81661525 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 542499840 positive integers (up to 681661525) that are relatively prime to 681661525.
681661525 has 8 divisors, whose sum is 712606232
The reverse of 681661525 is 525166186
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
six hundred eighty-one million six hundred sixty-one thousand five hundred twenty-five
Scientific notation
6.81661525 × 10^8
Engineering notation
6.81661525 × 10^6
Prime Factorization
25 × 193 × 141277
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
681661525
Product of the distinct prime numbers
The prime factorization of 681661525 is 25 × 193 × 141277.
Since it has a total of 3 prime factors.
3 , 1 , 1 , 54 , 65 , 921 , 4685 , 960 , 51995 , 29984 , 287637 , 435222 , 8071847 , 5722353 , 11128245 , 66630467 , 444645905 , 234247097 , 6183252507 , 440275246
n×2
1363323050
n×3
2044984575
n×4
2726646100
n×5
3408307625
n÷2
340830762.5
n÷3
227220508.33333
n÷3
170415381.25
n÷5
136332305
n2
464662434665325625
n3
3.1674250382418E+26
n4
2.1591117818911E+35
n5
1.4717834298893E+44
2 √n
26108.64847134
3 √n
880.08157172565
4 √n
161.58170834392
5 √n
58.44047758
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
-681661524
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 681661525 can be divided by 8 positive divisors.
The sum of these divisors (counting 681661525) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000101000010101010001010101
3
Ternary
1202111122222211011
4
Quaternary
220220111101111
5
Quinary
2344001132100
6
Senary
151350212221
8
Octal
5050252125
10
Decimal
681661525
12
Duodecimal
170354071
16
Hexadecimal
28a15455
20
Vigesimal
ad07dg5
36
Base36
b9uded
md5
9c63ab07ea23913801b293c7b45402a5
sha1
ac3cb025600a2b70651f9033f5d6b245b943d76f
sha256
04f3b696867a3405396d078d0b587043793ed10e2b0c4f6bc9b4fd00e9bc78fd
sha512
4e9248ab700c37acfcba0822a993954adc6d66a9ff89a3d450b01521353e05ab6ade309e2be7438d655b268b2718ac9411e1c76d03b931b4b6f0715c1e5004c5
ripemd-160
3d188f40b92a8b338bddb4145ee37d54fe231ace
Diameter
1363323050
Circumference
4283005678.3496
Area
1.4597800911437E+18
Volume
1.3267678974582E+27
Surface area
5.8391203645749E+18
Circumference
4283005678.3496
Perimeter
2726646100
Area
464662434665325625
Diagonal
964014973.60293
Surface area
2787974607991953750
Volume
3.1674250382418E+26
Space diagonal
1180672394.8649
Perimeter
2044984575
Area
2.0120473630225E+17
Altitude
590336197.43244
Surface area
2.0120473630225E+17
Volume
3.7328462057347E+25
Height
321338324.53431