168439221 is an odd 9-digits composite number following 168439220
and preceding 168439222 . In scientific notation, it is written as 1.68439221 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 107905056 positive integers (up to 168439221) that are relatively prime to 168439221.
168439221 has 16 divisors, whose sum is 194529600
The reverse of 168439221 is 122934861
Previous prime number is 227
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred sixty-eight million four hundred thirty-nine thousand two hundred twenty-one
Scientific notation
1.68439221 × 10^8
Engineering notation
1.68439221 × 10^6
Prime Factorization
9 × 29 × 227 × 2843
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
168439221
Product of the distinct prime numbers
The prime factorization of 168439221 is 9 × 29 × 227 × 2843.
Since it has a total of 4 prime factors.
7 , 2 , 56 , 19 , 830 , 27 , 2418 , 5155 , 4365 , 56697 , 698790 , 207995 , 5026298 , 412749 , 58822112 , 33982940 , 709238535 , 998307425 , 4518770138 , 2763577417
n×2
336878442
n×3
505317663
n×4
673756884
n×5
842196105
n÷2
84219610.5
n÷3
56146407
n÷3
42109805.25
n÷5
33687844.2
n2
28371771171086841
n3
4.7789190344481E+24
n4
8.0495739938451E+32
n5
1.3558639729051E+41
2 √n
12978.413654989
3 √n
552.26528088688
4 √n
113.92284079582
5 √n
44.186402556716
1 , 9 , 29 , 227 , 261 , 2043 , 2843 , 6583 , 25587 , 59247 , 82447 , 645361 , 742023 , 5808249 , 18715469 , 168439221
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
-168439220
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 168439221 can be divided by 16 positive divisors.
The sum of these divisors (counting 168439221) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000010100010110110110101
3
Ternary
102201221121011200
4
Quaternary
22002202312311
5
Quinary
321110023341
6
Senary
24414123113
8
Octal
1202426665
10
Decimal
168439221
12
Duodecimal
484b0499
16
Hexadecimal
a0a2db5
20
Vigesimal
2ccei11
36
Base36
2sa8j9
md5
e10514d4243140b828878bcda529c637
sha1
0897f56904a33d81b273f32e52dc1c17c9ae0bfa
sha256
a867e49bb3ef5baf3bbc50dd180d00490881d16af47ed8de833e6a00c984e90e
sha512
fa5fae82acaac6f025c7f8c544927d87ef4b45f93b5047f941864bff705e5f3b79690f484ad134c07c75b515c5dc2f07f1d44c7c21b8eeb804b1881c44f498fb
ripemd-160
04ae773c33ec7725bc9f666067963e25306bb8b1
Diameter
336878442
Circumference
1058334838.54
Area
8.9132547880417E+16
Volume
2.0017889240964E+25
Surface area
3.5653019152167E+17
Circumference
1058334838.54
Perimeter
673756884
Area
28371771171086841
Diagonal
238209030.77376
Surface area
170230627026521046
Volume
4.7789190344481E+24
Space diagonal
291745288.75932
Perimeter
505317663
Area
1.228533729226E+16
Altitude
145872644.37966
Surface area
1.228533729226E+16
Volume
5.6320100933329E+23
Height
79403010.25792