20157521 is an odd 8-digits composite number following 20157520
and preceding 20157522 . In scientific notation, it is written as 2.0157521 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 19837312 positive integers (up to 20157521) that are relatively prime to 20157521.
20157521 has 8 divisors, whose sum is 20480040
The reverse of 20157521 is 12575102
Previous prime number is 293
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred fifty-seven thousand five hundred twenty-one
Scientific notation
2.0157521 × 10^7
Engineering notation
2.0157521 × 10^6
Prime Factorization
89 × 293 × 773
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20157521
Product of the distinct prime numbers
The prime factorization of 20157521 is 89 × 293 × 773.
Since it has a total of 3 prime factors.
6 , 1 , 21 , 53 , 760 , 356 , 5364 , 7769 , 89108 , 45559 , 280514 , 125227 , 4033477 , 4883020 , 97536928 , 18012451 , 207079440 , 303995894 , 9520866257 , 1462583535
n×2
40315042
n×3
60472563
n×4
80630084
n×5
100787605
n÷2
10078760.5
n÷3
6719173.6666667
n÷3
5039380.25
n÷5
4031504.2
n2
406325652865441
n3
8.1905178804738E+21
n4
1.6510053617653E+29
n5
3.3280175250896E+36
2 √n
4489.7127970506
3 √n
272.15252852982
4 √n
67.005319169829
5 √n
28.8993067074
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
-20157520
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 20157521 can be divided by 8 positive divisors.
The sum of these divisors (counting 20157521) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111001010001010001
3
Ternary
1101221002220212
4
Quaternary
1030321101101
5
Quinary
20130020041
6
Senary
2000013505
8
Octal
114712121
10
Decimal
20157521
12
Duodecimal
6901295
16
Hexadecimal
1339451
20
Vigesimal
65jdg1
36
Base36
c01n5
md5
5658567c8d59f1a9a6f864ee82e15576
sha1
348949a33b356e094bf92c71ac8b8985c55800fa
sha256
e4e2ed921434d6bce3f2b5368a179bd7a66338fc1f974a76bd11f242a281c911
sha512
42609342f4efbcc5d880948c7d3c6486bd16ea84d367e93241700bdf06b09bee58ad699b052f54e2d038905b8d0de8eec72e4d620e0ad97255d41ede649ff1cd
ripemd-160
da5c0f06237c3535b13d97fe465925d21e6ccf5b
Diameter
40315042
Circumference
126653439.77636
Area
1.2765096860071E+15
Volume
3.4308361069857E+22
Surface area
5.1060387440286E+15
Circumference
126653439.77636
Perimeter
80630084
Area
406325652865441
Diagonal
28507039.58202
Surface area
2437953917192646
Volume
8.1905178804738E+21
Space diagonal
34913850.526637
Perimeter
60472563
Area
1.7594416879538E+14
Altitude
17456925.263318
Surface area
1.7594416879538E+14
Volume
9.6526178911879E+20
Height
9502346.5273402