725561661 is an odd 9-digits composite number following 725561660
and preceding 725561662 . In scientific notation, it is written as 7.25561661 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 425476800 positive integers (up to 725561661) that are relatively prime to 725561661.
725561661 has 16 divisors, whose sum is 772115520
The reverse of 725561661 is 166165527
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
seven hundred twenty-five million five hundred sixty-one thousand six hundred sixty-one
Scientific notation
7.25561661 × 10^8
Engineering notation
7.25561661 × 10^6
Prime Factorization
33 × 43 × 109 × 4691
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
725561661
Product of the distinct prime numbers
The prime factorization of 725561661 is 33 × 43 × 109 × 4691.
Since it has a total of 4 prime factors.
2 , 8 , 36 , 69 , 767 , 922 , 8972 , 3474 , 30433 , 48351 , 54246 , 856285 , 7847146 , 7418901 , 91724776 , 29799214 , 416661583 , 581707282 , 3653674479 , 8357590835
n×2
1451123322
n×3
2176684983
n×4
2902246644
n×5
3627808305
n÷2
362780830.5
n÷3
241853887
n÷3
181390415.25
n÷5
145112332.2
n2
526439723913078921
n3
3.8196448049875E+26
n4
2.7713878291368E+35
n5
2.0108127565837E+44
2 √n
26936.251799387
3 √n
898.58281528085
4 √n
164.12267302048
5 √n
59.174536551705
1 , 33 , 43 , 109 , 1419 , 3597 , 4687 , 4691 , 154671 , 154803 , 201713 , 511319 , 6656529 , 16873527 , 21986717 , 725561661
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
-725561660
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 725561661 can be divided by 16 positive divisors.
The sum of these divisors (counting 725561661) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101011001111110011000100111101
3
Ternary
1212120021100111010
4
Quaternary
223033303010331
5
Quinary
2441220433121
6
Senary
155555145433
8
Octal
5317630475
10
Decimal
725561661
12
Duodecimal
182ba5279
16
Hexadecimal
2b3f313d
20
Vigesimal
b6ef431
36
Base36
bzzayl
md5
70358177fc17572a9d06fdd8edf4f23f
sha1
6218a2af82c7afdce84bf8ae2023f2ade4f41aec
sha256
3f4bcc134c7f9f1e487946d9a90b9e1c8fd061740836066534352f165a00bd75
sha512
71aee4500f3a769a410bb05975208088c3f40c0dd85c80f3147311a08232176b42c77c2fc14aa9e03e9d3d51f3e3521c2641bff8197d33076bab5f725ce7a811
ripemd-160
49c9f9455717fbbca36d5a81ad59c805034ebfa3
Diameter
1451123322
Circumference
4558838367.848
Area
1.6538591692032E+18
Volume
1.5999690744895E+27
Surface area
6.6154366768127E+18
Circumference
4558838367.848
Perimeter
2902246644
Area
526439723913078921
Diagonal
1026099141.3241
Surface area
3158638343478473526
Volume
3.8196448049875E+26
Space diagonal
1256709660.8761
Perimeter
2176684983
Area
2.27955087235E+17
Altitude
628354830.43803
Surface area
2.27955087235E+17
Volume
4.5014945722178E+25
Height
342033047.10805