168391380 is an even 9-digits composite number following 168391379
and preceding 168391381 . In scientific notation, it is written as 1.68391380 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 43455360 positive integers (up to 168391380) that are relatively prime to 168391380.
168391380 has 24 divisors, whose sum is 395452512
The reverse of 168391380 is 083193861
Previous prime number is 155
Is Prime? no Number parity even Number length 9 Sum of Digits 39 Digital Root 3
Name
one hundred sixty-eight million three hundred ninety-one thousand three hundred eighty
Scientific notation
1.68391380 × 10^8
Engineering notation
1.68391380 × 10^6
Prime Factorization
2 × 2 × 3 × 155 × 90533
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
84195690 Product of the distinct prime numbers
The prime factorization of 168391380 is 2 × 2 × 3 × 155 × 90533.
Since it has a total of 5 prime factors.
8 , 6 , 38 , 41 , 289 , 850 , 2644 , 5583 , 84637 , 85086 , 989535 , 999277 , 5488621 , 4407505 , 35588452 , 34244985 , 360776364 , 498872590 , 1768297319 , 8965844622
n×2
336782760
n×3
505174140
n×4
673565520
n×5
841956900
n÷2
84195690
n÷3
56130460
n÷3
42097845
n÷5
33678276
n2
28355656858304400
n3
4.7748481891763E+24
n4
8.0404327586591E+32
n5
1.3539395680278E+41
2 √n12976.570425193
3 √n552.21299016555
4 √n113.91475069188
5 √n44.183892260271
1 , 2 , 3 , 4 , 6 , 12 , 155 , 310 , 465 , 620 , 930 , 1860 , 90533 , 181066 , 271599 , 362132 , 543198 , 1086396 , 14032615 , 28065230 , 42097845 , 56130460 , 84195690 , 168391380
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
-168391379 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 168391380 can be divided by 24 positive divisors.
The sum of these divisors (counting 168391380) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000010010111001011010100
3
Ternary
102201212011112210
4
Quaternary
22002113023110
5
Quinary
321102011010
6
Senary
24413113420
8
Octal
1202271324
10
Decimal
168391380
12
Duodecimal
48488870
16
Hexadecimal
a0972d4
20
Vigesimal
2cc8i90
36
Base36
2s97mc
md5
5d7902cdbb7bd348421175b55ef2e3fa
sha1
eb1c93d88a50bc8943d211050f8d24212bd7ceb5
sha256
192dba65421e5ef2977e27a39913c5cf74ccded600dbf1d04cb12fd39e627f0d
sha512
4de7812c4b601534e9c107a98cb0f0b59c8363633837d3d97d32a6892d2b6bb865c924e5bf1384e9c9464a150bd902966188857c867dcd638b0a2314b30ef8c0
ripemd-160
dcb43babecaac7f7de3b4cae6c0980f7ae3cf616
Diameter
336782760
Circumference
1058034244.6717
Area
8.9081923273762E+16
Volume
2.0000837324164E+25
Surface area
3.5632769309505E+17
Circumference
1058034244.6717
Perimeter
673565520
Area
28355656858304400
Diagonal
238141373.38272
Surface area
170133941149826400
Volume
4.7748481891763E+24
Space diagonal
291662425.71664
Perimeter
505174140
Area
1.2278359590143E+16
Altitude
145831212.85832
Surface area
1.2278359590143E+16
Volume
5.6272125561715E+23
Height
79380457.794241