125909721 is an odd 9-digits composite number following 125909720
and preceding 125909722 . In scientific notation, it is written as 1.25909721 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 71947440 positive integers (up to 125909721) that are relatively prime to 125909721.
125909721 has 16 divisors, whose sum is 165809280
The reverse of 125909721 is 127909521
Previous prime number is 27
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-five million nine hundred nine thousand seven hundred twenty-one
Scientific notation
1.25909721 × 10^8
Engineering notation
1.25909721 × 10^6
Prime Factorization
9 × 7 × 27 × 74021
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
125909721
Product of the distinct prime numbers
The prime factorization of 125909721 is 9 × 7 × 27 × 74021.
Since it has a total of 4 prime factors.
2 , 6 , 82 , 14 , 958 , 298 , 8806 , 2445 , 65101 , 4702 , 844295 , 422584 , 7172164 , 3776725 , 7223461 , 50858682 , 151882362 , 118429021 , 9562729221 , 9843113591
n×2
251819442
n×3
377729163
n×4
503638884
n×5
629548605
n÷2
62954860.5
n÷3
41969907
n÷3
31477430.25
n÷5
25181944.2
n2
15853257842297841
n3
1.9960792718648E+24
n4
2.5132578421438E+32
n5
3.1644359370539E+40
2 √n
11220.950093464
3 √n
501.21003062286
4 √n
105.92898608721
5 √n
41.688076039585
1 , 7 , 9 , 27 , 63 , 189 , 243 , 1701 , 74021 , 518147 , 666189 , 1998567 , 4663323 , 13989969 , 17987103 , 125909721
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
-125909720
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 125909721 can be divided by 16 positive divisors.
The sum of these divisors (counting 125909721) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111100000010011101011011001
3
Ternary
22202220212200000
4
Quaternary
13200103223121
5
Quinary
224213102341
6
Senary
20254403213
8
Octal
740235331
10
Decimal
125909721
12
Duodecimal
36200509
16
Hexadecimal
7813ad9
20
Vigesimal
1j6ie61
36
Base36
22yok9
md5
07b706fcbf1781938c473bfc8cf9b9de
sha1
2d406c75b3d38e1d2ef9644fcf0a1a5ae0c09ebe
sha256
b6c1823bf87af2378de969b7f2fb0668417357905bd04ad87b3502311825b9c0
sha512
7549261accb318e2112130c765a7cf02b13a65ec6c2dd7adc0562d8e5528d0bef8af65046bf6e8dc0bec49f2155ea02741c88849271ec70fd510b49276447c9b
ripemd-160
c6a951b11b050488c2a89ea4747f305bccde58ec
Diameter
251819442
Circumference
791114109.01828
Area
4.9804478372828E+16
Volume
8.3611573019644E+24
Surface area
1.9921791349131E+17
Circumference
791114109.01828
Perimeter
503638884
Area
15853257842297841
Diagonal
178063235.07281
Surface area
95119547053787046
Volume
1.9960792718648E+24
Space diagonal
218082033.93882
Perimeter
377729163
Area
6.8646620120874E+15
Altitude
109041016.96941
Surface area
6.8646620120874E+15
Volume
2.3524019815358E+23
Height
59354411.690938