221489805 is an odd 9-digits composite number following 221489804
and preceding 221489806 . In scientific notation, it is written as 2.21489805 × 10^8.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 118127888 positive integers (up to 221489805) that are relatively prime to 221489805.
221489805 has 4 divisors, whose sum is 236255808
The reverse of 221489805 is 508984122
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
two hundred twenty-one million four hundred eighty-nine thousand eight hundred five
Scientific notation
2.21489805 × 10^8
Engineering notation
2.21489805 × 10^6
Prime Factorization
15 × 14765987
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
221489805
Product of the distinct prime numbers
The prime factorization of 221489805 is 15 × 14765987.
Since it has a total of 2 prime factors.
6 , 10 , 16 , 27 , 13 , 751 , 135 , 6932 , 58262 , 68626 , 932904 , 80105 , 6805692 , 3985127 , 55854824 , 81879018 , 786653263 , 373017329 , 798928669 , 8975379108
n×2
442979610
n×3
664469415
n×4
885959220
n×5
1107449025
n÷2
110744902.5
n÷3
73829935
n÷3
55372451.25
n÷5
44297961
n2
49057733718938025
n3
1.086578787515E+25
n4
2.4066612376382E+33
n5
5.3305092822555E+41
2 √n
14882.533554473
3 √n
605.04068665198
4 √n
121.9939898293
5 √n
46.673540702457
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221489804
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221489805 can be divided by 4 positive divisors.
The sum of these divisors (counting 221489805) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101001100111010101010001101
3
Ternary
120102202211220010
4
Quaternary
31030322222031
5
Quinary
423200133210
6
Senary
33551143433
8
Octal
1514725215
10
Decimal
221489805
12
Duodecimal
62214b79
16
Hexadecimal
d33aa8d
20
Vigesimal
39464a5
36
Base36
3nvaml
md5
87c1d60ac82c7a09dda0017b4da2af3b
sha1
3c9ce8e81afd1da8f3eccaa8d7298f60805aa660
sha256
8cbea7f36ee52f2fa03890f764744d7743181c55a17eddb539d9024332a7ad24
sha512
55b6de00ec4ed0aad59c4f15522b2fa63d4b81f3652f35483ebae5759b97f91844ae2a80ff98cbdd1cfc1854685a9c52512b2e3cf904b230a750c51b1d19c71a
ripemd-160
e8ecc7e87f5436e07206a69df13b8cb00540ecaf
Diameter
442979610
Circumference
1391661488.4661
Area
1.5411941585318E+17
Volume
4.5514505818713E+25
Surface area
6.1647766341272E+17
Circumference
1391661488.4661
Perimeter
885959220
Area
49057733718938025
Diagonal
313233886.15837
Surface area
294346402313628150
Volume
1.086578787515E+25
Space diagonal
383631595.61852
Perimeter
664469415
Area
2.1242621826346E+16
Altitude
191815797.80926
Surface area
2.1242621826346E+16
Volume
1.2805453815755E+24
Height
104411295.38612