215520145 is an odd 9-digits composite number following 215520144
and preceding 215520146 . In scientific notation, it is written as 2.15520145 × 10^8.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 166358080 positive integers (up to 215520145) that are relatively prime to 215520145.
215520145 has 8 divisors, whose sum is 220742784
The reverse of 215520145 is 541025512
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 25
Digital Root 7
Name
two hundred fifteen million five hundred twenty thousand one hundred forty-five
Scientific notation
2.15520145 × 10^8
Engineering notation
2.15520145 × 10^6
Prime Factorization
355 × 47 × 12917
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
215520145
Product of the distinct prime numbers
The prime factorization of 215520145 is 355 × 47 × 12917.
Since it has a total of 3 prime factors.
6 , 4 , 73 , 36 , 211 , 500 , 4762 , 917 , 98490 , 75728 , 403375 , 584679 , 6642639 , 7799144 , 60057082 , 34821453 , 176474037 , 148758555 , 9743849049 , 1213097786
n×2
431040290
n×3
646560435
n×4
862080580
n×5
1077600725
n÷2
107760072.5
n÷3
71840048.333333
n÷3
53880036.25
n÷5
43104029
n2
46448932900821025
n3
1.001068075388E+25
n4
2.157503367625E+33
n5
4.6498543862852E+41
2 √n
14680.604381292
3 √n
599.5553603889
4 √n
121.16354394492
5 √n
46.41919173444
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
-215520144
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 215520145 can be divided by 8 positive divisors.
The sum of these divisors (counting 215520145) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100110110001001001110010001
3
Ternary
120000112120001121
4
Quaternary
30312021032101
5
Quinary
420133121040
6
Senary
33215202241
8
Octal
1466111621
10
Decimal
215520145
12
Duodecimal
60216381
16
Hexadecimal
cd89391
20
Vigesimal
3770075
36
Base36
3kbcep
md5
30517bf2c033547494879f3ecaf7b6c7
sha1
5238c159f7ff8632d7f05b801b75b59e314950a5
sha256
bade0331f1a12727dfaf84c2b9b68eb4493097ef3b54e3814f769d921a196b7d
sha512
26154dfe7d171e6b9a1ee7535c0407f9bfab029eff10af4bc359749696ca8b41bc46468f10c4f7647695061348ef6ee9cfa02631040a8e6a9b220ab5048bf419
ripemd-160
467c276e1c944d19d831fe297c4784a786e09b57
Diameter
431040290
Circumference
1354153008.4652
Area
1.459236263683E+17
Volume
4.1932641485097E+25
Surface area
5.8369450547322E+17
Circumference
1354153008.4652
Perimeter
862080580
Area
46448932900821025
Diagonal
304791512.02362
Surface area
278693597404926150
Volume
1.001068075388E+25
Space diagonal
373291841.19461
Perimeter
646560435
Area
2.0112977935395E+16
Altitude
186645920.59731
Surface area
2.0112977935395E+16
Volume
1.1797700408937E+24
Height
101597170.67454