168245742 is an even 9-digits composite number following 168245741
and preceding 168245743 . In scientific notation, it is written as 1.68245742 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 46519200 positive integers (up to 168245742) that are relatively prime to 168245742.
168245742 has 32 divisors, whose sum is 396969984
The reverse of 168245742 is 247542861
Previous prime number is 31
Is Prime? no Number parity even Number length 9 Sum of Digits 39 Digital Root 3
Name
one hundred sixty-eight million two hundred forty-five thousand seven hundred forty-two
Scientific notation
1.68245742 × 10^8
Engineering notation
1.68245742 × 10^6
Prime Factorization
2 × 3 × 7 × 31 × 129221
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
168245742 Product of the distinct prime numbers
The prime factorization of 168245742 is 2 × 3 × 7 × 31 × 129221.
Since it has a total of 5 prime factors.
9 , 9 , 83 , 98 , 196 , 407 , 7820 , 3 , 72798 , 18349 , 671366 , 692768 , 8864567 , 8976139 , 65734666 , 5257338 , 914883605 , 40393871 , 2968235431 , 6632855734
n×2
336491484
n×3
504737226
n×4
672982968
n×5
841228710
n÷2
84122871
n÷3
56081914
n÷3
42061435.5
n÷5
33649148.4
n2
28306629701130564
n3
4.7624699175859E+24
n4
8.0126528503693E+32
n5
1.3480947241988E+41
2 √n12970.957636196
3 √n552.05374529204
4 √n113.89011210898
5 √n44.176246879608
1 , 2 , 3 , 6 , 7 , 14 , 21 , 31 , 42 , 62 , 93 , 186 , 217 , 434 , 651 , 1302 , 129221 , 258442 , 387663 , 775326 , 904547 , 1809094 , 2713641 , 4005851 , 5427282 , 8011702 , 12017553 , 24035106 , 28040957 , 56081914 , 84122871 , 168245742
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-168245741 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168245742 can be divided by 32 positive divisors.
The sum of these divisors (counting 168245742) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000001110011100111101110
3
Ternary
102201120202202210
4
Quaternary
22001303213232
5
Quinary
321032330432
6
Senary
24410031250
8
Octal
1201634756
10
Decimal
168245742
12
Duodecimal
48418526
16
Hexadecimal
a0739ee
20
Vigesimal
2cbae72
36
Base36
2s638u
md5
6041e2cd30274191268d2bb100f5887c
sha1
abd951518a4bd84e451fbeee1250ebd318c289f7
sha256
d103bfda07980f7e973b31a86a7c602712b7ab34b3c0e00cf7de8e2ba9f3d652
sha512
b125953f0741f6e9ba65d9cf887d72caac50e304eab4de9a78d93a888ca684f684f876c7ec9011409652d92e1e25b741dc2fc0f0dc3e3dca657f8f86f9272e44
ripemd-160
7c5ff93e14ea7d5d2e29a5a1787bcf8a2da74ae5
Diameter
336491484
Circumference
1057119174.1299
Area
8.8927899916958E+16
Volume
1.9948987341374E+25
Surface area
3.5571159966783E+17
Circumference
1057119174.1299
Perimeter
672982968
Area
28306629701130564
Diagonal
237935410.14792
Surface area
169839778206783384
Volume
4.7624699175859E+24
Space diagonal
291410173.30112
Perimeter
504737226
Area
1.2257130208349E+16
Altitude
145705086.65056
Surface area
1.2257130208349E+16
Volume
5.6126246232033E+23
Height
79311803.382642