20125391 is an odd 8-digits composite number following 20125390
and preceding 20125392 . In scientific notation, it is written as 2.0125391 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 32 positive divisors.
There are 15523200 positive integers (up to 20125391) that are relatively prime to 20125391.
20125391 has 32 divisors, whose sum is 25643520
The reverse of 20125391 is 19352102
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred twenty-five thousand three hundred ninety-one
Scientific notation
2.0125391 × 10^7
Engineering notation
2.0125391 × 10^6
Prime Factorization
13 × 29 × 11 × 23 × 211
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20125391
Product of the distinct prime numbers
The prime factorization of 20125391 is 13 × 29 × 11 × 23 × 211.
Since it has a total of 5 prime factors.
4 , 3 , 82 , 1 , 350 , 87 , 8345 , 5698 , 940 , 80731 , 285291 , 775003 , 1109395 , 5186832 , 37789553 , 92447020 , 827544362 , 267357183 , 1701468228 , 5728679094
n×2
40250782
n×3
60376173
n×4
80501564
n×5
100626955
n÷2
10062695.5
n÷3
6708463.6666667
n÷3
5031347.75
n÷5
4025078.2
n2
405031362902881
n3
8.1514145456834E+21
n4
1.6405040493497E+29
n5
3.3015785430245E+36
2 √n
4486.1331901761
3 √n
272.00785282259
4 √n
66.978602480017
5 √n
28.890088041028
1 , 11 , 13 , 23 , 29 , 143 , 211 , 253 , 299 , 319 , 377 , 667 , 2321 , 2743 , 3289 , 4147 , 4853 , 6119 , 7337 , 8671 , 30173 , 53383 , 63089 , 67309 , 79547 , 95381 , 140737 , 693979 , 875017 , 1548107 , 1829581 , 20125391
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20125390
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20125391 can be divided by 32 positive divisors.
The sum of these divisors (counting 20125391) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110001011011001111
3
Ternary
1101212110211212
4
Quaternary
1030301123033
5
Quinary
20123003031
6
Senary
1555205035
8
Octal
114613317
10
Decimal
20125391
12
Duodecimal
68a677b
16
Hexadecimal
13316cf
20
Vigesimal
65fd9b
36
Base36
bzcun
md5
91a44b66ca17f85783fcc115d9feff5d
sha1
2b694bf728ba2a31be5bffd131e9657682ecb3f5
sha256
3576bad86a72630eb09d6502be8c3c30bef26f3910b896e98ee342e7bffa5254
sha512
c2e83144279829018e132a89730c28b6568dcf5adc9423f9abcd34d8a858cde61da05194a03dd5b53f73cc242bc5e8b151de93b00c5999db0c6b41ee4285eb39
ripemd-160
25d4869545998af5a6c9c3723838134475b7da58
Diameter
40250782
Circumference
126451561.03244
Area
1.2724435541692E+15
Volume
3.4144565404112E+22
Surface area
5.0897742166766E+15
Circumference
126451561.03244
Perimeter
80501564
Area
405031362902881
Diagonal
28461600.900261
Surface area
2430188177417286
Volume
8.1514145456834E+21
Space diagonal
34858199.734189
Perimeter
60376173
Area
1.7538372480166E+14
Altitude
17429099.867095
Surface area
1.7538372480166E+14
Volume
9.6065341691923E+20
Height
9487200.3000871