20120643 is an odd 8-digits composite number following 20120642
and preceding 20120644 . In scientific notation, it is written as 2.0120643 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors.
There are 12976200 positive integers (up to 20120643) that are relatively prime to 20120643.
20120643 has 24 divisors, whose sum is 31123456
The reverse of 20120643 is 34602102
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred twenty thousand six hundred forty-three
Scientific notation
2.0120643 × 10^7
Engineering notation
2.0120643 × 10^6
Prime Factorization
3 × 3 × 27 × 31 × 2671
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6706881
Product of the distinct prime numbers
The prime factorization of 20120643 is 3 × 3 × 27 × 31 × 2671.
Since it has a total of 5 prime factors.
7 , 8 , 90 , 79 , 299 , 366 , 5434 , 6715 , 93728 , 16425 , 347417 , 895933 , 8096977 , 1308419 , 21093530 , 41534280 , 218577299 , 931582368 , 9425176384 , 4798435713
n×2
40241286
n×3
60361929
n×4
80482572
n×5
100603215
n÷2
10060321.5
n÷3
6706881
n÷3
5030160.75
n÷5
4024128.6
n2
404840274733449
n3
8.1456466399336E+21
n4
1.6389564804625E+29
n5
3.2976858235923E+36
2 √n
4485.6039727109
3 √n
271.98646036265
4 √n
66.974651717728
5 √n
28.888724757359
1 , 3 , 9 , 27 , 31 , 81 , 93 , 243 , 279 , 837 , 2511 , 2671 , 7533 , 8013 , 24039 , 72117 , 82801 , 216351 , 248403 , 649053 , 745209 , 2235627 , 6706881 , 20120643
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
-20120642
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 20120643 can be divided by 24 positive divisors.
The sum of these divisors (counting 20120643) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110000010001000011
3
Ternary
1101212020100000
4
Quaternary
1030300101003
5
Quinary
20122330033
6
Senary
1555131043
8
Octal
114602103
10
Decimal
20120643
12
Duodecimal
68a3a83
16
Hexadecimal
1330443
20
Vigesimal
65f1c3
36
Base36
bz96r
md5
3699eabed0a998075a1b6f58781e5cb6
sha1
c3b105708b462da451f64152c0e200034341aacc
sha256
1171842d1b1ba946b6e1308ef760c0a8d4888b24bc7e20a864f01e512d05a85c
sha512
e8add886f182a82838b792734da2c0b202306f4914586f9cf265d96ed6693710084d39a8ee242589297db88ee896d6eb5df87cbab1f834e65cd5f25d13a18366
ripemd-160
60c58f2f669b984a826ac10ddd0a5664605b5f4f
Diameter
40241286
Circumference
126421728.46861
Area
1.2718432329799E+15
Volume
3.4120404857005E+22
Surface area
5.0873729319195E+15
Circumference
126421728.46861
Perimeter
80482572
Area
404840274733449
Diagonal
28454886.214267
Surface area
2429041648400694
Volume
8.1456466399336E+21
Space diagonal
34849975.956955
Perimeter
60361929
Area
1.7530098119712E+14
Altitude
17424987.978478
Surface area
1.7530098119712E+14
Volume
9.5997366270775E+20
Height
9484962.0714224