215538145 is an odd 9-digits composite number following 215538144
and preceding 215538146 . In scientific notation, it is written as 2.15538145 × 10^8.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 168420336 positive integers (up to 215538145) that are relatively prime to 215538145.
215538145 has 8 divisors, whose sum is 264661056
The reverse of 215538145 is 541835512
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
two hundred fifteen million five hundred thirty-eight thousand one hundred forty-five
Scientific notation
2.15538145 × 10^8
Engineering notation
2.15538145 × 10^6
Prime Factorization
5 × 43 × 1002503
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
215538145
Product of the distinct prime numbers
The prime factorization of 215538145 is 5 × 43 × 1002503.
Since it has a total of 3 prime factors.
2 , 6 , 50 , 99 , 698 , 448 , 348 , 2685 , 86103 , 97670 , 353556 , 866029 , 2610458 , 3991019 , 79486839 , 45850974 , 206598557 , 620293763 , 2306220726 , 7914874530
n×2
431076290
n×3
646614435
n×4
862152580
n×5
1077690725
n÷2
107769072.5
n÷3
71846048.333333
n÷3
53884536.25
n÷5
43107629
n2
46456691950041025
n3
1.0013189205748E+25
n4
2.158224226941E+33
n5
4.6517964636892E+41
2 √n
14681.217422271
3 √n
599.5720513206
4 √n
121.1660737264
5 √n
46.41996708427
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
-215538144
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 215538145 can be divided by 8 positive divisors.
The sum of these divisors (counting 215538145) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100110110001101100111100001
3
Ternary
120000120110202021
4
Quaternary
30312031213201
5
Quinary
420134210040
6
Senary
33215421441
8
Octal
1466154741
10
Decimal
215538145
12
Duodecimal
60224881
16
Hexadecimal
cd8d9e1
20
Vigesimal
3772575
36
Base36
3kbqap
md5
1de2993b9dc7703b26cd9f04afdc297c
sha1
1b0a83385551dffeb244bcee83b7da8d2e135645
sha256
411501bc7d2eb926939b33564d71c4cf561736e4860adffaa65f865f141af34c
sha512
a2c53cf33dc57de1604a36413b78ea03c9aabfc006bd55076aa31da03280044edebeae824ad78ee79a504f67e46134db2eac07143ae7287269ad9ae4438b7835
ripemd-160
01e8f627b3dbbce1001c6c1136c6b9043373a3b2
Diameter
431076290
Circumference
1354266105.8007
Area
1.4594800214033E+17
Volume
4.1943148863711E+25
Surface area
5.8379200856133E+17
Circumference
1354266105.8007
Perimeter
862152580
Area
46456691950041025
Diagonal
304816967.86774
Surface area
278740151700246150
Volume
1.0013189205748E+25
Space diagonal
373323018.10915
Perimeter
646614435
Area
2.0116337702262E+16
Altitude
186661509.05457
Surface area
2.0116337702262E+16
Volume
1.1800656647814E+24
Height
101605655.95591