215540638 is an even 9-digits composite number following 215540637
and preceding 215540639 . In scientific notation, it is written as 2.15540638 × 10^8.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 107658360 positive integers (up to 215540638) that are relatively prime to 215540638.
215540638 has 8 divisors, whose sum is 323646840
The reverse of 215540638 is 836045512
Previous prime number is 971
Is Prime? no
Number parity even
Number length 9
Sum of Digits 34
Digital Root 7
Name
two hundred fifteen million five hundred forty thousand six hundred thirty-eight
Scientific notation
2.15540638 × 10^8
Engineering notation
2.15540638 × 10^6
Prime Factorization
2 × 971 × 110989
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
215540638
Product of the distinct prime numbers
The prime factorization of 215540638 is 2 × 971 × 110989.
Since it has a total of 3 prime factors.
2 , 1 , 1 , 19 , 54 , 844 , 1520 , 8355 , 90577 , 18942 , 24977 , 987644 , 5292033 , 5875217 , 82658056 , 83184381 , 53248258 , 517645098 , 263617310 , 1914251600
n×2
431081276
n×3
646621914
n×4
862162552
n×5
1077703190
n÷2
107770319
n÷3
71846879.333333
n÷3
53885159.5
n÷5
43108127.6
n2
46457766629447044
n3
1.0013536659366E+25
n4
2.1583240801962E+33
n5
4.6520654925624E+41
2 √n
14681.302326429
3 √n
599.57436294137
4 √n
121.16642408864
5 √n
46.420074466138
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
-215540637
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 215540638 can be divided by 8 positive divisors.
The sum of these divisors (counting 215540638) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100110110001110001110011110
3
Ternary
120000120121011121
4
Quaternary
30312032032132
5
Quinary
420134300023
6
Senary
33215441154
8
Octal
1466161636
10
Decimal
215540638
12
Duodecimal
602261ba
16
Hexadecimal
cd8e39e
20
Vigesimal
3772bbi
36
Base36
3kbs7y
md5
59d71abe33a74575f8a4894d07027f46
sha1
74c3afbec6edbd329c087baa4e694266cee805a8
sha256
9af45610c0bacbe73934b2846fd8ca15500e3871a1d747fa966f7a8429c5ae37
sha512
e35b91135071fef20bfb16324742eae3a89bbfb9c73fc4bfaaa7a3beb016bd594eb98eb3aa3af17ec38665a27af7dd330af07000a0b1e3f0bfa4f06e2b3176ab
ripemd-160
3d4d55e73693b6abd361daccbdfac518bfd578fc
Diameter
431081276
Circumference
1354281769.7817
Area
1.4595137834526E+17
Volume
4.1944604274022E+25
Surface area
5.8380551338104E+17
Circumference
1354281769.7817
Perimeter
862162552
Area
46457766629447044
Diagonal
304820493.50215
Surface area
278746599776682264
Volume
1.0013536659366E+25
Space diagonal
373327336.11181
Perimeter
646621914
Area
2.0116803052095E+16
Altitude
186663668.05591
Surface area
2.0116803052095E+16
Volume
1.180106612583E+24
Height
101606831.16738