221151831 is an odd 9-digits composite number following 221151830
and preceding 221151832 . In scientific notation, it is written as 2.21151831 × 10^8.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 139908384 positive integers (up to 221151831) that are relatively prime to 221151831.
221151831 has 16 divisors, whose sum is 310124544
The reverse of 221151831 is 138151122
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 24
Digital Root 6
Name
two hundred twenty-one million one hundred fifty-one thousand eight hundred thirty-one
Scientific notation
2.21151831 × 10^8
Engineering notation
2.21151831 × 10^6
Prime Factorization
3 × 23 × 127 × 25237
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221151831
Product of the distinct prime numbers
The prime factorization of 221151831 is 3 × 23 × 127 × 25237.
Since it has a total of 4 prime factors.
3 , 10 , 60 , 72 , 979 , 954 , 4612 , 8620 , 51270 , 34312 , 53222 , 840711 , 1158423 , 8909853 , 49816035 , 63573325 , 841794827 , 928370853 , 2091314427 , 8583964092
n×2
442303662
n×3
663455493
n×4
884607324
n×5
1105759155
n÷2
110575915.5
n÷3
73717277
n÷3
55287957.75
n÷5
44230366.2
n2
48908132354652561
n3
1.0816123021022E+25
n4
2.3920054104202E+33
n5
5.2899637627634E+41
2 √n
14871.174499682
3 √n
604.73278366212
4 √n
121.94742514577
5 √n
46.659288055265
1 , 3 , 23 , 69 , 127 , 381 , 2921 , 8763 , 25237 , 75711 , 580451 , 1741353 , 3205099 , 9615297 , 73717277 , 221151831
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221151830
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221151831 can be divided by 16 positive divisors.
The sum of these divisors (counting 221151831) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001011101000001001010111
3
Ternary
120102010200021120
4
Quaternary
31023220021113
5
Quinary
423103324311
6
Senary
33540015023
8
Octal
1513501127
10
Decimal
221151831
12
Duodecimal
62091473
16
Hexadecimal
d2e8257
20
Vigesimal
3923jbb
36
Base36
3no1uf
md5
a460212363a743a57dca885409c062c5
sha1
9e8a3414959b37b5a8013a781f98d28bb0551bf5
sha256
4dd7b6ed87ede662ec551f8df7839be19b77e16005662097a58a463bc7fa6a14
sha512
f32b34f9997e0be0c8a9ef2c31395e0741a7925388bb4f570fad1db496ed39c483d1257848fcc59e26decf7239f244f152bd2735d172648a1a3772a6c8d2a7a2
ripemd-160
a7de67a1e0e553f010aba20e3ff37103a88d6c18
Diameter
442303662
Circumference
1389537935.1951
Area
1.5364942930617E+17
Volume
4.5306470164221E+25
Surface area
6.145977172247E+17
Circumference
1389537935.1951
Perimeter
884607324
Area
48908132354652561
Diagonal
312755918.74384
Surface area
293448794127915366
Volume
1.0816123021022E+25
Space diagonal
383046207.47889
Perimeter
663455493
Area
2.117784253539E+16
Altitude
191523103.73944
Surface area
2.117784253539E+16
Volume
1.2746923223854E+24
Height
104251972.91461