168656420 is an even 9-digits composite number following 168656419
and preceding 168656421 . In scientific notation, it is written as 1.68656420 × 10^8.
The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors.
There are 66455136 positive integers (up to 168656420) that are relatively prime to 168656420.
168656420 has 24 divisors, whose sum is 359467584
The reverse of 168656420 is 024656861
Previous prime number is 67
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred sixty-eight million six hundred fifty-six thousand four hundred twenty
Scientific notation
1.68656420 × 10^8
Engineering notation
1.68656420 × 10^6
Prime Factorization
2 × 2 × 5 × 67 × 125863
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
84328210
Product of the distinct prime numbers
The prime factorization of 168656420 is 2 × 2 × 5 × 67 × 125863.
Since it has a total of 5 prime factors.
8 , 7 , 67 , 7 , 826 , 431 , 3411 , 3197 , 59162 , 13534 , 542422 , 586913 , 2699221 , 6536568 , 63994504 , 23858923 , 251957475 , 677892072 , 219121092 , 5773184712
n×2
337312840
n×3
505969260
n×4
674625680
n×5
843282100
n÷2
84328210
n÷3
56218806.666667
n÷3
42164105
n÷5
33731284
n2
28444988007216400
n3
4.7974298442401E+24
n4
8.0911734273068E+32
n5
1.3646283438487E+41
2 √n
12986.778661393
3 √n
552.50255726586
4 √n
113.95954835551
5 √n
44.197792179676
1 , 2 , 4 , 5 , 10 , 20 , 67 , 134 , 268 , 335 , 670 , 1340 , 125863 , 251726 , 503452 , 629315 , 1258630 , 2517260 , 8432821 , 16865642 , 33731284 , 42164105 , 84328210 , 168656420
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
-168656419
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 168656420 can be divided by 24 positive divisors.
The sum of these divisors (counting 168656420) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000011010111111000100100
3
Ternary
102202100122010002
4
Quaternary
22003113320210
5
Quinary
321134001140
6
Senary
24422520432
8
Octal
1203277044
10
Decimal
168656420
12
Duodecimal
48596118
16
Hexadecimal
a0d7e24
20
Vigesimal
2ce2110
36
Base36
2sew4k
md5
277db37caa66721e823bb7ea5b580f6e
sha1
3b80f592621fc138610502dc0658912e6f1e5880
sha256
d86f765c147873902d0b35bfca436b5e2b374dbdb9d9f099abff79a70ac23bab
sha512
ba9681f34312ccda5720591fe8ea770922aa24d7775c5208f8c1000f5a2fbaeffcf56d822578f5dff8867b6f91bf2317288640bf54b113bc0af7ff9fd01bd0f1
ripemd-160
9287dd8236de902e0494b8c82910f8632046fe33
Diameter
337312840
Circumference
1059699540.1055
Area
8.9362565354921E+16
Volume
2.0095427139703E+25
Surface area
3.5745026141968E+17
Circumference
1059699540.1055
Perimeter
674625680
Area
28444988007216400
Diagonal
238516196.54529
Surface area
170669928043298400
Volume
4.7974298442401E+24
Space diagonal
292121488.46268
Perimeter
505969260
Area
1.2317041112297E+16
Altitude
146060744.23134
Surface area
1.2317041112297E+16
Volume
5.6538252918814E+23
Height
79505398.848431