221991749 is an odd 9-digits composite number following 221991748
and preceding 221991750 . In scientific notation, it is written as 2.21991749 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 182088000 positive integers (up to 221991749) that are relatively prime to 221991749.
221991749 has 16 divisors, whose sum is 264852096
The reverse of 221991749 is 947199122
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
two hundred twenty-one million nine hundred ninety-one thousand seven hundred forty-nine
Scientific notation
2.21991749 × 10^8
Engineering notation
2.21991749 × 10^6
Prime Factorization
61 × 7 × 37 × 14051
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221991749
Product of the distinct prime numbers
The prime factorization of 221991749 is 61 × 7 × 37 × 14051.
Since it has a total of 4 prime factors.
1 , 4 , 37 , 95 , 821 , 959 , 507 , 8149 , 6148 , 39304 , 632624 , 46789 , 5073232 , 6696183 , 63032590 , 94516958 , 499179544 , 239752268 , 220785298 , 7197200467
n×2
443983498
n×3
665975247
n×4
887966996
n×5
1109958745
n÷2
110995874.5
n÷3
73997249.666667
n÷3
55497937.25
n÷5
44398349.8
n2
49280336624079001
n3
1.0939828118488E+25
n4
2.4285515777825E+33
n5
5.3911841228866E+41
2 √n
14899.387537748
3 √n
605.49739302531
4 √n
122.06304738842
5 √n
46.694676028139
1 , 7 , 37 , 61 , 259 , 427 , 2257 , 14051 , 15799 , 98357 , 519887 , 857111 , 3639209 , 5999777 , 31713107 , 221991749
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
-221991748
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 221991749 can be divided by 16 positive divisors.
The sum of these divisors (counting 221991749) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001110110101001101000101
3
Ternary
120110201100102122
4
Quaternary
31032311031011
5
Quinary
423312213444
6
Senary
34010015325
8
Octal
1516651505
10
Decimal
221991749
12
Duodecimal
62417545
16
Hexadecimal
d3b5345
20
Vigesimal
3978j79
36
Base36
3o61xh
md5
8e9a2484d91eb7a3ff49c6e4934b3fdf
sha1
30e325d210d94b0d7a28a3aa7999305242cfccb9
sha256
f0660c40b614f1682c851aba7b0027a84a3a81c9b39b89cb078e8d9ef41a6255
sha512
03f4a30d6ba05a5600839b9a7a7e4509db565f01c899c06ee2a4b394fb6a11bc69732bd567d9ea774c05db8364207c947141c9e1c33d78ec4dd58f57c2560950
ripemd-160
1c691c44395ed4789b1422da3180a09385610d9e
Diameter
443983498
Circumference
1394815295.6319
Area
1.5481874350464E+17
Volume
4.5824644864769E+25
Surface area
6.1927497401855E+17
Circumference
1394815295.6319
Perimeter
887966996
Area
49280336624079001
Diagonal
313943742.17072
Surface area
295682019744474006
Volume
1.0939828118488E+25
Space diagonal
384500988.12908
Perimeter
665975247
Area
2.1339011711751E+16
Altitude
192250494.06454
Surface area
2.1339011711751E+16
Volume
1.289271107933E+24
Height
104647914.05691