221391878 is an even 9-digits composite number following 221391877
and preceding 221391879 . In scientific notation, it is written as 2.21391878 × 10^8.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 110139480 positive integers (up to 221391878) that are relatively prime to 221391878.
221391878 has 8 divisors, whose sum is 333757200
The reverse of 221391878 is 878193122
Previous prime number is 199
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
two hundred twenty-one million three hundred ninety-one thousand eight hundred seventy-eight
Scientific notation
2.21391878 × 10^8
Engineering notation
2.21391878 × 10^6
Prime Factorization
2 × 199 × 556261
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221391878
Product of the distinct prime numbers
The prime factorization of 221391878 is 2 × 199 × 556261.
Since it has a total of 3 prime factors.
4 , 3 , 81 , 26 , 338 , 779 , 867 , 278 , 65527 , 81372 , 223193 , 155380 , 395939 , 6235981 , 70899461 , 79713172 , 232874620 , 971522826 , 1959300819 , 9752037377
n×2
442783756
n×3
664175634
n×4
885567512
n×5
1106959390
n÷2
110695939
n÷3
73797292.666667
n÷3
55347969.5
n÷5
44278375.6
n2
49014363644366884
n3
1.0851382016201E+25
n4
2.4024078434622E+33
n5
5.3187358418603E+41
2 √n
14879.24319312
3 √n
604.95150488959
4 √n
121.98050333197
5 √n
46.669412829978
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221391877
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221391878 can be divided by 8 positive divisors.
The sum of these divisors (counting 221391878) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001100100010110000000110
3
Ternary
120102120212120012
4
Quaternary
31030202300012
5
Quinary
423134020003
6
Senary
33545110222
8
Octal
1514426006
10
Decimal
221391878
12
Duodecimal
62188372
16
Hexadecimal
d322c06
20
Vigesimal
393djdi
36
Base36
3nt72e
md5
bf973d9571fedd0d77c507574cd59f74
sha1
bd2425e7d4276f3adc2a5884ac7adea0f0783c1b
sha256
4015357d8a7048ff17252520a4d3d5163aece4092b1a28f27fa179ab2c35388b
sha512
b69116046a4269c282d24c828fc186c8efa07fa89769c234c765fae0347f1b7149c2c267dc218764201f3297a07ad93779bc92f9bbee59c004a177a7d4338017
ripemd-160
7e46036cac1855826b6b1268cffbf59ce67fed7c
Diameter
442783756
Circumference
1391046194.9785
Area
1.5398316474552E+17
Volume
4.5454162697859E+25
Surface area
6.1593265898209E+17
Circumference
1391046194.9785
Perimeter
885567512
Area
49014363644366884
Diagonal
313095396.46685
Surface area
294086181866201304
Volume
1.0851382016201E+25
Space diagonal
383461981.07909
Perimeter
664175634
Area
2.1223842033175E+16
Altitude
191730990.53955
Surface area
2.1223842033175E+16
Volume
1.2788476348169E+24
Height
104365132.15562