215684940 is an even 9-digits composite number following 215684939
and preceding 215684941 . In scientific notation, it is written as 2.15684940 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 57361920 positive integers (up to 215684940) that are relatively prime to 215684940.
215684940 has 24 divisors, whose sum is 403690560
The reverse of 215684940 is 049486512
Previous prime number is 389
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
two hundred fifteen million six hundred eighty-four thousand nine hundred forty
Scientific notation
2.15684940 × 10^8
Engineering notation
2.15684940 × 10^6
Prime Factorization
2 × 2 × 15 × 389 × 9241
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
107842470
Product of the distinct prime numbers
The prime factorization of 215684940 is 2 × 2 × 15 × 389 × 9241.
Since it has a total of 5 prime factors.
5 , 8 , 98 , 83 , 868 , 674 , 5761 , 601 , 33066 , 21907 , 45470 , 751527 , 5662427 , 7862183 , 39107880 , 59606226 , 620984417 , 425291818 , 7110520657 , 3518133058
n×2
431369880
n×3
647054820
n×4
862739760
n×5
1078424700
n÷2
107842470
n÷3
71894980
n÷3
53921235
n÷5
43136988
n2
46519993342803600
n3
1.0033661972943E+25
n4
2.1641097806145E+33
n5
4.6676588818525E+41
2 √n
14686.215986428
3 √n
599.70813582631
4 √n
121.18669888411
5 √n
46.426288344446
1 , 2 , 4 , 15 , 30 , 60 , 389 , 778 , 1556 , 5835 , 9241 , 11670 , 18482 , 23340 , 36964 , 138615 , 277230 , 554460 , 3594749 , 7189498 , 14378996 , 53921235 , 107842470 , 215684940
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-215684939
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 215684940 can be divided by 24 positive divisors.
The sum of these divisors (counting 215684940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1100110110110001011101001100
3
Ternary
120000211221010010
4
Quaternary
30312301131030
5
Quinary
420203404230
6
Senary
33222513220
8
Octal
1466613514
10
Decimal
215684940
12
Duodecimal
60295810
16
Hexadecimal
cdb174c
20
Vigesimal
3780c70
36
Base36
3kevkc
md5
11323e12c61a0e754adc9a6b3508f46b
sha1
fb09cac475f81ad202578c8ddd363f274fde01a5
sha256
8e12b207a787f40d49b2b260493087a0431db013e36aa73eb0b0f8186812b07d
sha512
88e6c8107cccdfbca8a246bf2e9ce0e5361c61f55d80c25e10488652ee42ac20c717b07d8e9e57abe34e9d0870b4c12c163a8b00fc5af024f5e096ad4aadd864
ripemd-160
86b23e42a13c92fecc3cba5294782e974845fdb0
Diameter
431369880
Circumference
1355188445.9879
Area
1.461468693308E+17
Volume
4.2028904990401E+25
Surface area
5.8458747732319E+17
Circumference
1355188445.9879
Perimeter
862739760
Area
46519993342803600
Diagonal
305024567.34763
Surface area
279119960056821600
Volume
1.0033661972943E+25
Space diagonal
373577274.50744
Perimeter
647054820
Area
2.0143748009375E+16
Altitude
186788637.25372
Surface area
2.0143748009375E+16
Volume
1.1824784035336E+24
Height
101674855.78254