221628481 is an odd 9-digits composite number following 221628480
and preceding 221628482 . In scientific notation, it is written as 2.21628481 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 221377732 positive integers (up to 221628481) that are relatively prime to 221628481.
221628481 has 4 divisors, whose sum is 221879232
The reverse of 221628481 is 184826122
Previous prime number is 887
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-eight thousand four hundred eighty-one
Scientific notation
2.21628481 × 10^8
Engineering notation
2.21628481 × 10^6
Prime Factorization
887 × 249863
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
221628481
Product of the distinct prime numbers
The prime factorization of 221628481 is 887 × 249863.
Since it has a total of 2 prime factors.
5 , 5 , 30 , 54 , 240 , 363 , 1941 , 6764 , 39786 , 44152 , 26122 , 554634 , 6638703 , 5865700 , 46990770 , 46036 , 888273568 , 34305034 , 9821470701 , 239811565
n×2
443256962
n×3
664885443
n×4
886513924
n×5
1108142405
n÷2
110814240.5
n÷3
73876160.333333
n÷3
55407120.25
n÷5
44325696.2
n2
49119183590367361
n3
1.0886210047093E+25
n4
2.4126941965842E+33
n5
5.3472174990647E+41
2 √n
14887.191843998
3 √n
605.16693342182
4 √n
122.01308062662
5 √n
46.679383752029
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
-221628480
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 221628481 can be divided by 4 positive divisors.
The sum of these divisors (counting 221628481) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101001101011100100001000001
3
Ternary
120110000220010021
4
Quaternary
31031130201001
5
Quinary
423214102411
6
Senary
33554133441
8
Octal
1515344101
10
Decimal
221628481
12
Duodecimal
62281281
16
Hexadecimal
d35c841
20
Vigesimal
3953b41
36
Base36
3ny9mp
md5
bff968a030448d1329afdf2c347c66b3
sha1
d4df900f8597216bfcb6f8b3b058717081a667ec
sha256
304278a9b867cb7ea155828da29015b632a604e6b4c4f743bb38135952409976
sha512
8ceb3f52577dee1c6c602f9191584a776c395463fe54b233942acec12289fcd80acd0df6bafe08e618287290a85a33eb5f40c8ef8f7ccffd5f094350b88e9fac
ripemd-160
b9f4c58a738b879ae4d45d52c1f4f4b20f547f79
Diameter
443256962
Circumference
1392532815.4717
Area
1.5431246631783E+17
Volume
4.5600050012511E+25
Surface area
6.1724986527131E+17
Circumference
1392532815.4717
Perimeter
886513924
Area
49119183590367361
Diagonal
313430003.63835
Surface area
294715101542204166
Volume
1.0886210047093E+25
Space diagonal
383871789.49631
Perimeter
664885443
Area
2.1269230401205E+16
Altitude
191935894.74816
Surface area
2.1269230401205E+16
Volume
1.2829521576201E+24
Height
104476667.87945