661250105 is an odd 9-digits composite number following 661250104
and preceding 661250106 . In scientific notation, it is written as 6.61250105 × 10^8.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 494291712 positive integers (up to 661250105) that are relatively prime to 661250105.
661250105 has 16 divisors, whose sum is 846236160
The reverse of 661250105 is 501052166
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 26
Digital Root 8
Name
six hundred sixty-one million two hundred fifty thousand one hundred five
Scientific notation
6.61250105 × 10^8
Engineering notation
6.61250105 × 10^6
Prime Factorization
5 × 17 × 139 × 55967
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
661250105
Product of the distinct prime numbers
The prime factorization of 661250105 is 5 × 17 × 139 × 55967.
Since it has a total of 4 prime factors.
3 , 8 , 96 , 67 , 517 , 42 , 1669 , 1086 , 39706 , 25171 , 6518 , 944024 , 1621822 , 3101470 , 48052391 , 37417769 , 314447404 , 203621471 , 8267198017 , 7387875372
n×2
1322500210
n×3
1983750315
n×4
2645000420
n×5
3306250525
n÷2
330625052.5
n÷3
220416701.66667
n÷3
165312526.25
n÷5
132250021
n2
437251701362511025
n3
2.8913273343739E+26
n4
1.9118905034441E+35
n5
1.2642377961509E+44
2 √n
25714.783782875
3 √n
871.20812690243
4 √n
160.35829814161
5 √n
58.086224736296
1 , 5 , 17 , 85 , 139 , 695 , 2363 , 11815 , 55967 , 279835 , 951439 , 4757195 , 7779413 , 38897065 , 132250021 , 661250105
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
-661250104
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 661250105 can be divided by 16 positive divisors.
The sum of these divisors (counting 661250105) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111011010011110000000111001
3
Ternary
1201002020222121122
4
Quaternary
213122132000321
5
Quinary
2323240000410
6
Senary
145340515025
8
Octal
4732360071
10
Decimal
661250105
12
Duodecimal
16554ba75
16
Hexadecimal
2769e039
20
Vigesimal
a6cg555
36
Base36
axovuh
md5
fee8237eff5b55337cff1b8b274879d7
sha1
cbe9538cb72cb7beec4ea97f06257c5f166fd6e0
sha256
8f48243dd801f30b89c7b3d0b6497a1dc8995df4962c8ac534c73d7168cd68d4
sha512
ad1c56af914550c2ecd3743fd7b68c54cd6392e5b8b18a7988653835a77fd6a719489199394c1257edfd9a83e650f73b0b38a50315aa54ebb87f6f45041f4401
ripemd-160
ede2eaf651f8a2d9ec9371d6486dfb8912002d6f
Diameter
1322500210
Circumference
4154756944.107
Area
1.3736667327701E+18
Volume
1.2111163617056E+27
Surface area
5.4946669310804E+18
Circumference
4154756944.107
Perimeter
2645000420
Area
437251701362511025
Diagonal
935148866.61163
Surface area
2623510208175066150
Volume
2.8913273343739E+26
Space diagonal
1145318778.3703
Perimeter
1983750315
Area
1.8933554061395E+17
Altitude
572659389.18513
Surface area
1.8933554061395E+17
Volume
3.4074619412763E+25
Height
311716288.87054