221621389 is an odd 9-digits composite number following 221621388
and preceding 221621390 . In scientific notation, it is written as 2.21621389 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 201473980 positive integers (up to 221621389) that are relatively prime to 221621389.
221621389 has 4 divisors, whose sum is 241768800
The reverse of 221621389 is 983126122
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
two hundred twenty-one million six hundred twenty-one thousand three hundred eighty-nine
Scientific notation
2.21621389 × 10^8
Engineering notation
2.21621389 × 10^6
Prime Factorization
11 × 20147399
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
221621389
Product of the distinct prime numbers
The prime factorization of 221621389 is 11 × 20147399.
Since it has a total of 2 prime factors.
1 , 1 , 51 , 96 , 538 , 806 , 1478 , 8127 , 8215 , 56416 , 853691 , 862993 , 625498 , 6669989 , 22341343 , 56773169 , 442976527 , 449935800 , 3897030663 , 368423937
n×2
443242778
n×3
664864167
n×4
886485556
n×5
1108106945
n÷2
110810694.5
n÷3
73873796.333333
n÷3
55405347.25
n÷5
44324277.8
n2
49116040062289321
n3
1.0885165020784E+25
n4
2.4123853914004E+33
n5
5.3463620124547E+41
2 √n
14886.953650764
3 √n
605.1604783404
4 √n
122.01210452559
5 √n
46.679085004841
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
-221621388
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 221621389 can be divided by 4 positive divisors.
The sum of these divisors (counting 221621389) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101001101011010110010001101
3
Ternary
120110000112101121
4
Quaternary
31031122302031
5
Quinary
423213341024
6
Senary
33554040541
8
Octal
1515326215
10
Decimal
221621389
12
Duodecimal
62279151
16
Hexadecimal
d35ac8d
20
Vigesimal
3952d99
36
Base36
3ny45p
md5
e3c3954eb77e1a12a712d53eea1b61e5
sha1
8c98a928128ff26a396f487585c7b8c3abbfd731
sha256
1488fcfe307cbc73490f536cebd1ffdfeaa25643e88722068b6b770da04feb00
sha512
aa38a8b5c85163213735de021708cf690e14a22da97d527e7c44530ab9098536050c42a790531a87b8270621b4ecfc1ae29aa41e9defa1c3746cbb76f9db352c
ripemd-160
00bb62e53a4604459fd154fb9662e5d7f07f89c3
Diameter
443242778
Circumference
1392488255.1215
Area
1.5430259063311E+17
Volume
4.5595672616544E+25
Surface area
6.1721036253244E+17
Circumference
1392488255.1215
Perimeter
886485556
Area
49116040062289321
Diagonal
313419974.03576
Surface area
294696240373735926
Volume
1.0885165020784E+25
Space diagonal
383859505.79199
Perimeter
664864167
Area
2.1267869213618E+16
Altitude
191929752.89599
Surface area
2.1267869213618E+16
Volume
1.2828290000885E+24
Height
104473324.67859