221687641 is an odd 9-digits composite number following 221687640
and preceding 221687642 . In scientific notation, it is written as 2.21687641 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 186810624 positive integers (up to 221687641) that are relatively prime to 221687641.
221687641 has 16 divisors, whose sum is 257657344
The reverse of 221687641 is 146786122
Previous prime number is 937
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
two hundred twenty-one million six hundred eighty-seven thousand six hundred forty-one
Scientific notation
2.21687641 × 10^8
Engineering notation
2.21687641 × 10^6
Prime Factorization
7 × 73 × 937 × 463
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221687641
Product of the distinct prime numbers
The prime factorization of 221687641 is 7 × 73 × 937 × 463.
Since it has a total of 4 prime factors.
6 , 3 , 4 , 59 , 593 , 268 , 7932 , 6911 , 39110 , 36527 , 604948 , 825885 , 9524836 , 2094103 , 57731884 , 49652008 , 959652204 , 812069162 , 1410796160 , 8615581932
n×2
443375282
n×3
665062923
n×4
886750564
n×5
1108438205
n÷2
110843820.5
n÷3
73895880.333333
n÷3
55421910.25
n÷5
44337528.2
n2
49145410172144881
n3
1.089493004704E+25
n4
2.4152713409884E+33
n5
5.3543580595862E+41
2 √n
14889.178654311
3 √n
605.22077501375
4 √n
122.02122214726
5 √n
46.681875541457
1 , 7 , 73 , 463 , 511 , 937 , 3241 , 6559 , 33799 , 68401 , 236593 , 433831 , 478807 , 3036817 , 31669663 , 221687641
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
-221687640
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 221687641 can be divided by 16 positive divisors.
The sum of these divisors (counting 221687641) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001101101010111101011001
3
Ternary
120110010220021101
4
Quaternary
31031222331121
5
Quinary
423223001031
6
Senary
33555311401
8
Octal
1515527531
10
Decimal
221687641
12
Duodecimal
622ab561
16
Hexadecimal
d36af59
20
Vigesimal
395aj21
36
Base36
3nzja1
md5
70e96ff0b32f4c0a50c29521732972c8
sha1
ffa4e9f1d4c3fbdf2a791c163cf6349d31508aec
sha256
18ecafd6d50a35b7525a828f25bf6ca145e67cd6f71287d2c12f7af0edd29e2e
sha512
f07c58232cfb0cdb8e9b46a52002aff13cdee92f4bc9bc6eaccfd2138fbf2bbaf492f38966b718570475e7577b2d7ed417598ee686ea7121b8192d0a6a3a2c26
ripemd-160
0877b6c6daca411d6400eaccda0c215504c2381f
Diameter
443375282
Circumference
1392904528.7145
Area
1.5439485955447E+17
Volume
4.5636576262875E+25
Surface area
6.1757943821787E+17
Circumference
1392904528.7145
Perimeter
886750564
Area
49145410172144881
Diagonal
313513668.5127
Surface area
294872461032869286
Volume
1.089493004704E+25
Space diagonal
383974257.62209
Perimeter
665062923
Area
2.1280586844242E+16
Altitude
191987128.81104
Surface area
2.1280586844242E+16
Volume
1.2839798194692E+24
Height
104504556.1709