20120021 is an odd 8-digits composite number following 20120020
and preceding 20120022 . In scientific notation, it is written as 2.0120021 × 10^7.
The sum of its digits is 8. It has a total of 2 prime factors and 4 positive divisors.
There are 19991712 positive integers (up to 20120021) that are relatively prime to 20120021.
20120021 has 4 divisors, whose sum is 20248332
The reverse of 20120021 is 12002102
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 8
Digital Root 8
Name
twenty million one hundred twenty thousand twenty-one
Scientific notation
2.0120021 × 10^7
Engineering notation
2.0120021 × 10^6
Prime Factorization
157 × 128153
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20120021
Product of the distinct prime numbers
The prime factorization of 20120021 is 157 × 128153.
Since it has a total of 2 prime factors.
7 , 9 , 64 , 88 , 213 , 350 , 3771 , 313 , 78661 , 57873 , 805405 , 772684 , 7695518 , 2458285 , 52571096 , 52655458 , 317549330 , 292160974 , 9689887238 , 3208078388
n×2
40240042
n×3
60360063
n×4
80480084
n×5
100600105
n÷2
10060010.5
n÷3
6706673.6666667
n÷3
5030005.25
n÷5
4024004.2
n2
404815245040441
n3
8.1448912313338E+21
n4
1.6387538261715E+29
n5
3.2971761396401E+36
2 √n
4485.5346392599
3 √n
271.98365764703
4 √n
66.974134106085
5 √n
28.888546144687
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20120020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20120021 can be divided by 4 positive divisors.
The sum of these divisors (counting 20120021) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110000000111010101
3
Ternary
1101212012110222
4
Quaternary
1030300013111
5
Quinary
20122320041
6
Senary
1555124125
8
Octal
114600725
10
Decimal
20120021
12
Duodecimal
68a3645
16
Hexadecimal
13301d5
20
Vigesimal
65f011
36
Base36
bz8ph
md5
2361076e90c160b32c84d1ff57cf9090
sha1
f1b4b8c52374ac0250771d79a552ad3b5975de5e
sha256
956679983a5c22046d44ab1d67c7a647363ae5a9e3d291f966a333686727412e
sha512
140e2b33b988a9fdfc7fa8c6ff66967cd25a9190d534288e16886aa873f5f5fc44c9b62ce4c28a1c85adea8d95ebd7c0aecf0f2c81e35386d85cc96279ce5ea0
ripemd-160
d511d52f1894d3d2401e517e7425f27aa33047e3
Diameter
40240042
Circumference
126417820.32734
Area
1.2717645998802E+15
Volume
3.4117240608862E+22
Surface area
5.0870583995208E+15
Circumference
126417820.32734
Perimeter
80480084
Area
404815245040441
Diagonal
28454006.573431
Surface area
2428891470242646
Volume
8.1448912313338E+21
Space diagonal
34848898.621353
Perimeter
60360063
Area
1.7529014302212E+14
Altitude
17424449.310676
Surface area
1.7529014302212E+14
Volume
9.598846369505E+20
Height
9484668.8578105