20121768 is an even 8-digits composite number following 20121767
and preceding 20121769 . In scientific notation, it is written as 2.0121768 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 32 positive divisors.
There are 6579456 positive integers (up to 20121768) that are relatively prime to 20121768.
20121768 has 32 divisors, whose sum is 42719400
The reverse of 20121768 is 86712102
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred twenty-one thousand seven hundred sixty-eight
Scientific notation
2.0121768 × 10^7
Engineering notation
2.0121768 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 53 × 5273
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5030442
Product of the distinct prime numbers
The prime factorization of 20121768 is 2 × 2 × 2 × 9 × 53 × 5273.
Since it has a total of 6 prime factors.
4 , 7 , 71 , 52 , 240 , 426 , 7582 , 6564 , 29679 , 25484 , 257306 , 689397 , 9786771 , 1930823 , 59792264 , 37627069 , 749548031 , 582426479 , 77781565 , 6203901438
n×2
40243536
n×3
60365304
n×4
80487072
n×5
100608840
n÷2
10060884
n÷3
6707256
n÷3
5030442
n÷5
4024353.6
n2
404885547445824
n3
8.1470130522579E+21
n4
1.639323065305E+29
n5
3.2986078397117E+36
2 √n
4485.7293721311
3 √n
271.99152943633
4 √n
66.975587881938
5 √n
28.889047799605
1 , 2 , 4 , 8 , 9 , 18 , 36 , 53 , 72 , 106 , 212 , 424 , 477 , 954 , 1908 , 3816 , 5273 , 10546 , 21092 , 42184 , 47457 , 94914 , 189828 , 279469 , 379656 , 558938 , 1117876 , 2235752 , 2515221 , 5030442 , 10060884 , 20121768
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
-20121767
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 20121768 can be divided by 32 positive divisors.
The sum of these divisors (counting 20121768) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110000100010101000
3
Ternary
1101212021212200
4
Quaternary
1030300202220
5
Quinary
20122344033
6
Senary
1555140200
8
Octal
114604250
10
Decimal
20121768
12
Duodecimal
68a4660
16
Hexadecimal
13308a8
20
Vigesimal
65f488
36
Base36
bza20
md5
8e4a95beef66571726be0a7ea1491918
sha1
7fe48e333238bfa1e074ff6c76bdc45bb8c1ba57
sha256
28d9cdc68ee8af9ae51f10baefab12ebee21784aa0d90f7672c9d5df8c72368a
sha512
3aa17991377cff302562f7e52634cc9218d7298624bd0388a2628c6a799c38972a44e664ad6d0df4e7490d0d575ffdad32b5a6b56a98d17bad3e59999d871bfe
ripemd-160
5a3b897e493ea431421f42632ce229eb7d08d00a
Diameter
40243536
Circumference
126428797.05208
Area
1.2719854614005E+15
Volume
3.4126128471565E+22
Surface area
5.0879418456019E+15
Circumference
126428797.05208
Perimeter
80487072
Area
404885547445824
Diagonal
28456477.204525
Surface area
2429313284674944
Volume
8.1470130522579E+21
Space diagonal
34851924.514114
Perimeter
60365304
Area
1.7532058485663E+14
Altitude
17425962.257057
Surface area
1.7532058485663E+14
Volume
9.6013469594447E+20
Height
9485492.4015083