20146487 is an odd 8-digits composite number following 20146486
and preceding 20146488 . In scientific notation, it is written as 2.0146487 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 19924992 positive integers (up to 20146487) that are relatively prime to 20146487.
20146487 has 4 divisors, whose sum is 20217960
The reverse of 20146487 is 78464102
Previous prime number is 71189
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred forty-six thousand four hundred eighty-seven
Scientific notation
2.0146487 × 10^7
Engineering notation
2.0146487 × 10^6
Prime Factorization
71189 × 283
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20146487
Product of the distinct prime numbers
The prime factorization of 20146487 is 71189 × 283.
Since it has a total of 2 prime factors.
4 , 2 , 95 , 100 , 973 , 808 , 8820 , 4643 , 71450 , 51338 , 567992 , 138925 , 1188268 , 5919318 , 37636866 , 99290562 , 302780670 , 706455566 , 6943936253 , 7405798981
n×2
40292974
n×3
60439461
n×4
80585948
n×5
100732435
n÷2
10073243.5
n÷3
6715495.6666667
n÷3
5036621.75
n÷5
4029297.4
n2
405880938441169
n3
8.1770750498528E+21
n4
1.6473933618988E+29
n5
3.3189188949381E+36
2 √n
4488.4838197324
3 √n
272.10286172324
4 √n
66.996147797709
5 √n
28.896142183424
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
-20146486
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 20146487 can be divided by 4 positive divisors.
The sum of these divisors (counting 20146487) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110110100100110111
3
Ternary
1101220112210012
4
Quaternary
1030312210313
5
Quinary
20124141422
6
Senary
1555450435
8
Octal
114664467
10
Decimal
20146487
12
Duodecimal
68b6a1b
16
Hexadecimal
1336937
20
Vigesimal
65i647
36
Base36
bzt4n
md5
3074302685eb939349d494bbc167d1c3
sha1
da28d3ec8d35eda937bae5e3c02c0beaf9702891
sha256
73854deacdc4ce74a261c57e6ddaa2d7981ad55a2ff92b26e6429c503da6876a
sha512
1a8f30c1118d6d090c09d9bffe0bd0524be284af91872a6fb39706abbd514f92b2a6dc0afe20d62fe11faf2ff2c89a26d453efa553d47be94dbc0d1d449a540b
ripemd-160
47061dfb72dcbd88743961f455fa00eb867376c1
Diameter
40292974
Circumference
126584111.10968
Area
1.2751125744389E+15
Volume
3.4252051872627E+22
Surface area
5.1004502977556E+15
Circumference
126584111.10968
Perimeter
80585948
Area
405880938441169
Diagonal
28491435.149573
Surface area
2435285630647014
Volume
8.1770750498528E+21
Space diagonal
34894739.078026
Perimeter
60439461
Area
1.7575160180096E+14
Altitude
17447369.539013
Surface area
1.7575160180096E+14
Volume
9.6367753633704E+20
Height
9497145.0498578