123485681 is an odd 9-digits composite number following 123485680
and preceding 123485682 . In scientific notation, it is written as 1.23485681 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 111543120 positive integers (up to 123485681) that are relatively prime to 123485681.
123485681 has 8 divisors, whose sum is 135571584
The reverse of 123485681 is 186584321
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-three million four hundred eighty-five thousand six hundred eighty-one
Scientific notation
1.23485681 × 10^8
Engineering notation
1.23485681 × 10^6
Prime Factorization
11 × 157 × 71503
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
123485681
Product of the distinct prime numbers
The prime factorization of 123485681 is 11 × 157 × 71503.
Since it has a total of 3 prime factors.
4 , 3 , 5 , 79 , 152 , 628 , 2137 , 6484 , 30783 , 1807 , 844190 , 932474 , 960467 , 8216335 , 69179478 , 39006204 , 511290801 , 1883630 , 8888527371 , 2909404090
n×2
246971362
n×3
370457043
n×4
493942724
n×5
617428405
n÷2
61742840.5
n÷3
41161893.666667
n÷3
30871420.25
n÷5
24697136.2
n2
15248713412033761
n3
1.8829977600588E+24
n4
2.3252326072234E+32
n5
2.8713293198638E+40
2 √n
11112.411124504
3 √n
497.9726992125
4 √n
105.41542166355
5 √n
41.526307945929
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
-123485680
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 123485681 can be divided by 8 positive divisors.
The sum of these divisors (counting 123485681) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010111000011110111110001
3
Ternary
22121100201111202
4
Quaternary
13113003313301
5
Quinary
223103020211
6
Senary
20130420545
8
Octal
727036761
10
Decimal
123485681
12
Duodecimal
35431755
16
Hexadecimal
75c3df1
20
Vigesimal
1ibfe41
36
Base36
21iq5t
md5
d9c1095b38166a1ebc87fc1b15cec7aa
sha1
8862e9c89ace6e56f8838916a6756fb28eb4d802
sha256
9ba43b41fe46fa5315a3bbde50a4b8289fb3b574510764482fb0adeec8afe5da
sha512
62ee9344220ce674e1a93caed9ca0d707662be8bbcb66315a236725c2d6e1ce25cae156b7a790a14ee0fe4a499a83afb513f45d695c3dc37bc065e4ce95be758
ripemd-160
0731d0a912f05c236a6894198dba28428f6ab8cd
Diameter
246971362
Circumference
775883416.50627
Area
4.7905246031941E+16
Volume
7.8874825729691E+24
Surface area
1.9162098412777E+17
Circumference
775883416.50627
Perimeter
493942724
Area
15248713412033761
Diagonal
174635124.82908
Surface area
91492280472202566
Volume
1.8829977600588E+24
Space diagonal
213883473.49924
Perimeter
370457043
Area
6.6028865949249E+15
Altitude
106941736.74962
Surface area
6.6028865949249E+15
Volume
2.2191341418278E+23
Height
58211708.276359