221445872 is an even 9-digits composite number following 221445871
and preceding 221445873 . In scientific notation, it is written as 2.21445872 × 10^8.
The sum of its digits is 35. It has a total of 6 prime factors and 20 positive divisors.
There are 106089984 positive integers (up to 221445872) that are relatively prime to 221445872.
221445872 has 20 divisors, whose sum is 429310320
The reverse of 221445872 is 278544122
Previous prime number is 2279
Is Prime? no
Number parity even
Number length 9
Sum of Digits 35
Digital Root 8
Name
two hundred twenty-one million four hundred forty-five thousand eight hundred seventy-two
Scientific notation
2.21445872 × 10^8
Engineering notation
2.21445872 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2279 × 6073
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
27680734
Product of the distinct prime numbers
The prime factorization of 221445872 is 2 × 2 × 2 × 2 × 2279 × 6073.
Since it has a total of 6 prime factors.
8 , 2 , 82 , 23 , 471 , 293 , 6937 , 9973 , 14545 , 33228 , 998800 , 167915 , 3756145 , 2926438 , 29467899 , 60544001 , 63378521 , 811470474 , 2060861035 , 2076201203
n×2
442891744
n×3
664337616
n×4
885783488
n×5
1107229360
n÷2
110722936
n÷3
73815290.666667
n÷3
55361468
n÷5
44289174.4
n2
49038274225840384
n3
1.0859323397316E+25
n4
2.4047523390487E+33
n5
5.3252247866468E+41
2 √n
14881.057489305
3 √n
605.00068028064
4 √n
121.98793993385
5 √n
46.671688995221
1 , 2 , 4 , 8 , 16 , 2279 , 4558 , 6073 , 9116 , 12146 , 18232 , 24292 , 36464 , 48584 , 97168 , 13840367 , 27680734 , 55361468 , 110722936 , 221445872
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221445871
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221445872 can be divided by 20 positive divisors.
The sum of these divisors (counting 221445872) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101001100101111111011110000
3
Ternary
120102200121121222
4
Quaternary
31030233323300
5
Quinary
423142231442
6
Senary
33550204212
8
Octal
1514577360
10
Decimal
221445872
12
Duodecimal
621b3668
16
Hexadecimal
d32fef0
20
Vigesimal
3940edc
36
Base36
3nucq8
md5
f42751cb3d73b4ca68dcf08d395f6bee
sha1
94c18dfd44d2089aef7c2683fcf417d2aa3d1ee2
sha256
fa8e5a93eeccaf93df2e0bed0af56da8b289fa552ce90a304118dc83e9205ca1
sha512
2259c7e2f2f3770ad9d4c6f94d9be94008f087f1f13136bd5c6d081f65125a76cd8a241091d21e1bbc3c41649dbba23bf885e5571c0088bf52d3e430e1e4c3e1
ripemd-160
ee2999a860ca8616fa53bcced85db5e583def61c
Diameter
442891744
Circumference
1391385449.286
Area
1.5405828205262E+17
Volume
4.5487427477286E+25
Surface area
6.1623312821049E+17
Circumference
1391385449.286
Perimeter
885783488
Area
49038274225840384
Diagonal
313171755.51394
Surface area
294229645355042304
Volume
1.0859323397316E+25
Space diagonal
383555501.43039
Perimeter
664337616
Area
2.1234195618663E+16
Altitude
191777750.7152
Surface area
2.1234195618663E+16
Volume
1.2797835355567E+24
Height
104390585.17131