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 4 prime factors and 16 positive divisors.
There are 166358080 positive integers (up to 215520145) that are relatively prime to 215520145.
215520145 has 16 divisors, whose sum is 267867648
The reverse of 215520145 is 541025512
Previous prime number is 71
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
5 × 47 × 71 × 12917
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
215520145
Product of the distinct prime numbers
The prime factorization of 215520145 is 5 × 47 × 71 × 12917.
Since it has a total of 4 prime factors.
9 , 3 , 46 , 87 , 295 , 267 , 3477 , 9835 , 45321 , 27406 , 339823 , 39075 , 11013 , 1402007 , 73514371 , 43601913 , 980132399 , 71366318 , 3838030036 , 7850534542
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
1 , 5 , 47 , 71 , 235 , 355 , 3337 , 12917 , 16685 , 64585 , 607099 , 917107 , 3035495 , 4585535 , 43104029 , 215520145
16 divisors
τ
Total Divisors
16
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
0.0625
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
16
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 16 positive divisors.
The sum of these divisors (counting 215520145) is 1, the average is 0.0625.
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