661259925 is an odd 9-digits composite number following 661259924
and preceding 661259926 . In scientific notation, it is written as 6.61259925 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 352144800 positive integers (up to 661259925) that are relatively prime to 661259925.
661259925 has 16 divisors, whose sum is 812358528
The reverse of 661259925 is 529952166
Previous prime number is 3571
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
six hundred sixty-one million two hundred fifty-nine thousand nine hundred twenty-five
Scientific notation
6.61259925 × 10^8
Engineering notation
6.61259925 × 10^6
Prime Factorization
5 × 45 × 3571 × 823
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
661259925
Product of the distinct prime numbers
The prime factorization of 661259925 is 5 × 45 × 3571 × 823.
Since it has a total of 4 prime factors.
3 , 9 , 13 , 67 , 539 , 310 , 5234 , 9611 , 97341 , 14060 , 614690 , 204012 , 3265383 , 7938776 , 96141290 , 64561742 , 630752790 , 609131217 , 111540986 , 7977656305
n×2
1322519850
n×3
1983779775
n×4
2645039700
n×5
3306299625
n÷2
330629962.5
n÷3
220419975
n÷3
165314981.25
n÷5
132251985
n2
437264688411005625
n3
2.8914561506381E+26
n4
1.9120040773117E+35
n5
1.2643316727629E+44
2 √n
25714.974722912
3 √n
871.21243955277
4 √n
160.35889349491
5 √n
58.086397259017
1 , 5 , 45 , 225 , 823 , 3571 , 4115 , 17855 , 37035 , 160695 , 185175 , 803475 , 2938933 , 14694665 , 132251985 , 661259925
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-661259924
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 661259925 can be divided by 16 positive divisors.
The sum of these divisors (counting 661259925) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111011010100000011010010101
3
Ternary
1201002021111002100
4
Quaternary
213122200122111
5
Quinary
2323240304200
6
Senary
145341032313
8
Octal
4732403225
10
Decimal
661259925
12
Duodecimal
165555699
16
Hexadecimal
276a0695
20
Vigesimal
a6ch9g5
36
Base36
axp3f9
md5
d6620b1d3f823fcf6e0a4f9c8bf9e63d
sha1
722074323ee93d2b9d71d4c86c300a898934bf19
sha256
4eb078189bbcbcd7050ce6d3f62e3f151167be873e612317fed09cb6d27908d3
sha512
fd49c6fb2b2e0b4e646f6bba21760b23348279cfbc1dd9fdf7df4f3a67ac18f6f3088359b8b99020afafe3e2d03c8c82f5f0147af82b5b08545017d466dcec0e
ripemd-160
0ab8f050d334af0e11a49c27fc63772869c11436
Diameter
1322519850
Circumference
4154818644.9867
Area
1.3737075327862E+18
Volume
1.2111703201362E+27
Surface area
5.494830131145E+18
Circumference
4154818644.9867
Perimeter
2645039700
Area
437264688411005625
Diagonal
935162754.18882
Surface area
2623588130466033750
Volume
2.8914561506381E+26
Space diagonal
1145335787.1092
Perimeter
1983779775
Area
1.8934116417091E+17
Altitude
572667893.55459
Surface area
1.8934116417091E+17
Volume
3.4076137526996E+25
Height
311720918.06294