168642020 is an even 9-digits composite number following 168642019
and preceding 168642021 . In scientific notation, it is written as 1.68642020 × 10^8.
The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors.
There are 65811200 positive integers (up to 168642020) that are relatively prime to 168642020.
168642020 has 24 divisors, whose sum is 362787768
The reverse of 168642020 is 020246861
Previous prime number is 41
Is Prime? no
Number parity even
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred sixty-eight million six hundred forty-two thousand twenty
Scientific notation
1.68642020 × 10^8
Engineering notation
1.68642020 × 10^6
Prime Factorization
2 × 2 × 5 × 41 × 205661
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
84321010
Product of the distinct prime numbers
The prime factorization of 168642020 is 2 × 2 × 5 × 41 × 205661.
Since it has a total of 5 prime factors.
1 , 4 , 99 , 5 , 869 , 820 , 4023 , 7919 , 47899 , 19810 , 79341 , 668346 , 3717411 , 7323464 , 40824251 , 38246479 , 89362272 , 693576636 , 555580984 , 9464073755
n×2
337284040
n×3
505926060
n×4
674568080
n×5
843210100
n÷2
84321010
n÷3
56214006.666667
n÷3
42160505
n÷5
33728404
n2
28440130909680400
n3
4.7962011256729E+24
n4
8.0884104615976E+32
n5
1.3640458788329E+41
2 √n
12986.224239555
3 √n
552.48683247012
4 √n
113.95711579166
5 √n
44.19703742638
1 , 2 , 4 , 5 , 10 , 20 , 41 , 82 , 164 , 205 , 410 , 820 , 205661 , 411322 , 822644 , 1028305 , 2056610 , 4113220 , 8432101 , 16864202 , 33728404 , 42160505 , 84321010 , 168642020
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
-168642019
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 168642020 can be divided by 24 positive divisors.
The sum of these divisors (counting 168642020) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000011010100010111100100
3
Ternary
102202022220100202
4
Quaternary
22003110113210
5
Quinary
321133021040
6
Senary
24422330032
8
Octal
1203242744
10
Decimal
168642020
12
Duodecimal
48589918
16
Hexadecimal
a0d45e4
20
Vigesimal
2ce0510
36
Base36
2sel0k
md5
045fa2ed87933b2601f153f57d09c7d5
sha1
78014bbfcf3f4012a47931350f4967552fb0d5d5
sha256
bd9ce5a4dc7d842b3adfe3646aeb52816e8c35691c986ebacb6143fc52e0c1f8
sha512
7aa965af435e751370ef7b8eb70f209e5d0cc48bd1c3003d4ad7d4d3e5db8118048e0f3e0a5b1721fa4eb5cbd4ff233eaea73217344c45f081f1a1aaee1994e2
ripemd-160
7a995cb749ab165ead4a84cb160596bfc1079a2d
Diameter
337284040
Circumference
1059609062.2371
Area
8.9347306332984E+16
Volume
2.0090280295404E+25
Surface area
3.5738922533194E+17
Circumference
1059609062.2371
Perimeter
674568080
Area
28440130909680400
Diagonal
238495831.86999
Surface area
170640785458082400
Volume
4.7962011256729E+24
Space diagonal
292096546.93105
Perimeter
505926060
Area
1.2314937927369E+16
Altitude
146048273.46552
Surface area
1.2314937927369E+16
Volume
5.6523772331631E+23
Height
79498610.623332