221091388 is an even 9-digits composite number following 221091387
and preceding 221091389 . In scientific notation, it is written as 2.21091388 × 10^8.
The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors.
There are 94274928 positive integers (up to 221091388) that are relatively prime to 221091388.
221091388 has 24 divisors, whose sum is 444416000
The reverse of 221091388 is 883190122
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 34
Digital Root 7
Name
two hundred twenty-one million ninety-one thousand three hundred eighty-eight
Scientific notation
2.21091388 × 10^8
Engineering notation
2.21091388 × 10^6
Prime Factorization
2 × 2 × 199 × 7 × 39679
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
110545694
Product of the distinct prime numbers
The prime factorization of 221091388 is 2 × 2 × 199 × 7 × 39679.
Since it has a total of 5 prime factors.
3 , 9 , 73 , 45 , 557 , 812 , 6528 , 7082 , 42155 , 85328 , 94970 , 121082 , 1690538 , 7379642 , 41066075 , 60419739 , 863502659 , 212132768 , 7645562098 , 4850643203
n×2
442182776
n×3
663274164
n×4
884365552
n×5
1105456940
n÷2
110545694
n÷3
73697129.333333
n÷3
55272847
n÷5
44218277.6
n2
48881401847766544
n3
1.0807256981908E+25
n4
2.3893914466028E+33
n5
5.2827387140475E+41
2 √n
14869.142140689
3 √n
604.67768547614
4 √n
121.9390919299
5 √n
46.656737286678
1 , 2 , 4 , 7 , 14 , 28 , 199 , 398 , 796 , 1393 , 2786 , 5572 , 39679 , 79358 , 158716 , 277753 , 555506 , 1111012 , 7896121 , 15792242 , 31584484 , 55272847 , 110545694 , 221091388
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221091387
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221091388 can be divided by 24 positive divisors.
The sum of these divisors (counting 221091388) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101001011011001011000111100
3
Ternary
120102000121100221
4
Quaternary
31023121120330
5
Quinary
423044411023
6
Senary
33534431124
8
Octal
1513313074
10
Decimal
221091388
12
Duodecimal
620624a4
16
Hexadecimal
d2d963c
20
Vigesimal
391g898
36
Base36
3nmr7g
md5
1b8ebe49a8982d58f0b5fb19702c34bc
sha1
350607bb1c1d2de83e7fde9edfcedcec81840af6
sha256
f75f4e703b66901dfaa0ddff0d0647b61dcb531d983945fd722eb256e3fabe65
sha512
74b2fb2ce12a25489ed8d5ebd243f91b2782ac89a5f46b94a97aa8a523292a9fe0de447f377769d5865080925a6423d73a6cb57267938253bf3ba705fbc28dda
ripemd-160
7790eccf68d8b9cd44496845ab7aba378ac5f572
Diameter
442182776
Circumference
1389158160.6255
Area
1.5356545294211E+17
Volume
4.5269332186428E+25
Surface area
6.1426181176846E+17
Circumference
1389158160.6255
Perimeter
884365552
Area
48881401847766544
Diagonal
312670439.43349
Surface area
293288411086599264
Volume
1.0807256981908E+25
Space diagonal
382941517.13192
Perimeter
663274164
Area
2.1166267886381E+16
Altitude
191470758.56596
Surface area
2.1166267886381E+16
Volume
1.2736474496555E+24
Height
104223479.81116