221369986 is an even 9-digits composite number following 221369985
and preceding 221369987 . In scientific notation, it is written as 2.21369986 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 105774064 positive integers (up to 221369986) that are relatively prime to 221369986.
221369986 has 16 divisors, whose sum is 346814784
The reverse of 221369986 is 689963122
Previous prime number is 1787
Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1
Name
two hundred twenty-one million three hundred sixty-nine thousand nine hundred eighty-six
Scientific notation
2.21369986 × 10^8
Engineering notation
2.21369986 × 10^6
Prime Factorization
2 × 23 × 1787 × 2693
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221369986
Product of the distinct prime numbers
The prime factorization of 221369986 is 2 × 23 × 1787 × 2693.
Since it has a total of 4 prime factors.
9 , 10 , 32 , 67 , 597 , 620 , 6781 , 7539 , 91979 , 81278 , 598063 , 392058 , 4184115 , 6788293 , 28997396 , 99269692 , 382360861 , 889955053 , 9993481506 , 4866976594
n×2
442739972
n×3
664109958
n×4
885479944
n×5
1106849930
n÷2
110684993
n÷3
73789995.333333
n÷3
55342496.5
n÷5
44273997.2
n2
49004670701640196
n3
1.0848163267157E+25
n4
2.4014577505762E+33
n5
5.3161066862464E+41
2 √n
14878.507519237
3 √n
604.93156432837
4 √n
121.97748775589
5 √n
46.668489826651
1 , 2 , 23 , 46 , 1787 , 2693 , 3574 , 5386 , 41101 , 61939 , 82202 , 123878 , 4812391 , 9624782 , 110684993 , 221369986
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
-221369985
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 221369986 can be divided by 16 positive divisors.
The sum of these divisors (counting 221369986) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001100011101011010000010
3
Ternary
120102112202112101
4
Quaternary
31030131122002
5
Quinary
423132314421
6
Senary
33544421014
8
Octal
1514353202
10
Decimal
221369986
12
Duodecimal
6217776a
16
Hexadecimal
d31d682
20
Vigesimal
393b4j6
36
Base36
3nsq6a
md5
b757a0927ec858eb02b09fe636611517
sha1
f7361e2edabafac551e85ebd0c0b3ded764f6744
sha256
13ed31eba1c7c9fbf3f0f36b2bae334fbb46ce48ae48d1e91e8dfa763341480a
sha512
3dae45d8620ecd2026559d3c0f33923f5e65169d0de7335f3348025f41a8e2849222d34f829cb393b7b4013e94a79678cbd23475ef0900593e53d7c45c2f772d
ripemd-160
dda8637bb8f0ed4b65dc70108a0555ec22696d14
Diameter
442739972
Circumference
1390908643.4858
Area
1.5395271346786E+17
Volume
4.544068003339E+25
Surface area
6.1581085387144E+17
Circumference
1390908643.4858
Perimeter
885479944
Area
49004670701640196
Diagonal
313064436.50354
Surface area
294028024209841176
Volume
1.0848163267157E+25
Space diagonal
383424063.02281
Perimeter
664109958
Area
2.1219644865856E+16
Altitude
191712031.51141
Surface area
2.1219644865856E+16
Volume
1.2784683016042E+24
Height
104354812.16785