20150981 is an odd 8-digits composite number following 20150980
and preceding 20150982 . In scientific notation, it is written as 2.0150981 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 20132352 positive integers (up to 20150981) that are relatively prime to 20150981.
20150981 has 4 divisors, whose sum is 20169612
The reverse of 20150981 is 18905102
Previous prime number is 1153
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred fifty thousand nine hundred eighty-one
Scientific notation
2.0150981 × 10^7
Engineering notation
2.0150981 × 10^6
Prime Factorization
1153 × 17477
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20150981
Product of the distinct prime numbers
The prime factorization of 20150981 is 1153 × 17477.
Since it has a total of 2 prime factors.
5 , 2 , 14 , 17 , 509 , 886 , 5346 , 4050 , 86756 , 75455 , 195691 , 940888 , 6941483 , 6363996 , 53515980 , 53038836 , 561264325 , 760963884 , 1140797264 , 6243492649
n×2
40301962
n×3
60452943
n×4
80603924
n×5
100754905
n÷2
10075490.5
n÷3
6716993.6666667
n÷3
5037745.25
n÷5
4030196.2
n2
406062035262361
n3
8.1825483573932E+21
n4
1.6488637648141E+29
n5
3.3226222396358E+36
2 √n
4488.9844062995
3 √n
272.12309253482
4 √n
66.999883629
5 √n
28.897431218853
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
-20150980
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 20150981 can be divided by 4 positive divisors.
The sum of these divisors (counting 20150981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110111101011000101
3
Ternary
1101220202221122
4
Quaternary
1030313223011
5
Quinary
20124312411
6
Senary
1555523325
8
Octal
114675305
10
Decimal
20150981
12
Duodecimal
68b9545
16
Hexadecimal
1337ac5
20
Vigesimal
65ih91
36
Base36
bzwlh
md5
80e76c0d2f9f8eddad0fb884add2848f
sha1
7886fd4785d75d8b871959dd4571ecc68c7e8c16
sha256
2d87129bdd3465b77660fd83e528480f9b6f19f80173f28acd281a238b99202a
sha512
32aff599edb610a628aa0d8ea2057f781ebbeb45750000858a458b982a01174bef698fea7730ec30165fb2823e03734d5648f6c5a1b79720c4732ddb3db31829
ripemd-160
88d693f4fb9290fb923e00f70c492d68889d0673
Diameter
40301962
Circumference
126612347.74446
Area
1.275681506882E+15
Volume
3.4274978409639E+22
Surface area
5.1027260275278E+15
Circumference
126612347.74446
Perimeter
80603924
Area
406062035262361
Diagonal
28497790.625323
Surface area
2436372211574166
Volume
8.1825483573932E+21
Space diagonal
34902522.914355
Perimeter
60452943
Area
1.7583001902481E+14
Altitude
17451261.457178
Surface area
1.7583001902481E+14
Volume
9.6432257181659E+20
Height
9499263.5417742