20121283 is an odd 8-digits composite number following 20121282
and preceding 20121284 . In scientific notation, it is written as 2.0121283 × 10^7.
The sum of its digits is 19. It has a total of 4 prime factors and 16 positive divisors.
There are 15528960 positive integers (up to 20121283) that are relatively prime to 20121283.
20121283 has 16 divisors, whose sum is 25373376
The reverse of 20121283 is 38212102
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million one hundred twenty-one thousand two hundred eighty-three
Scientific notation
2.0121283 × 10^7
Engineering notation
2.0121283 × 10^6
Prime Factorization
41 × 7 × 13 × 5393
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20121283
Product of the distinct prime numbers
The prime factorization of 20121283 is 41 × 7 × 13 × 5393.
Since it has a total of 4 prime factors.
10 , 6 , 1 , 65 , 401 , 37 , 6733 , 9546 , 43153 , 54384 , 428228 , 16393 , 8593803 , 3778211 , 30483916 , 12758086 , 602306431 , 891084455 , 8412989518 , 3013008923
n×2
40242566
n×3
60363849
n×4
80485132
n×5
100606415
n÷2
10060641.5
n÷3
6707094.3333333
n÷3
5030320.75
n÷5
4024256.6
n2
404866029566089
n3
8.1464239579856E+21
n4
1.6391650189661E+29
n5
3.2982103230317E+36
2 √n
4485.6753114776
3 √n
271.98934412551
4 √n
66.975184295959
5 √n
28.888908534275
1 , 7 , 13 , 41 , 91 , 287 , 533 , 3731 , 5393 , 37751 , 70109 , 221113 , 490763 , 1547791 , 2874469 , 20121283
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121282
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121283 can be divided by 16 positive divisors.
The sum of these divisors (counting 20121283) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110000011011000011
3
Ternary
1101212021012201
4
Quaternary
1030300123003
5
Quinary
20122340113
6
Senary
1555134031
8
Octal
114603303
10
Decimal
20121283
12
Duodecimal
68a4317
16
Hexadecimal
13306c3
20
Vigesimal
65f343
36
Base36
bz9oj
md5
9c2d4670fccdff8a669d96916be99c37
sha1
cbf5f96f3bd39b945dc6dc668c547f02928dca9f
sha256
1d5006554778863f2b8c4d2adb8ee0c74a896d2e2df9de15106e24dc3b98fc12
sha512
a2fefa9595b2cf9637b7335a769594c2d3797d9287738c0a862b20a9cec083de615d437c8688d60eaea9c0155b910ab58c9c6ef59fc2fb9800bbaa226763247f
ripemd-160
a09efb415f32e4ca185191bd4e4c3e7525187b5c
Diameter
40242566
Circumference
126425749.7072
Area
1.2719241441729E+15
Volume
3.4123660879247E+22
Surface area
5.0876965766916E+15
Circumference
126425749.7072
Perimeter
80485132
Area
404866029566089
Diagonal
28455791.310947
Surface area
2429196177396534
Volume
8.1464239579856E+21
Space diagonal
34851084.469472
Perimeter
60363849
Area
1.7531213336679E+14
Altitude
17425542.234736
Surface area
1.7531213336679E+14
Volume
9.600652705187E+20
Height
9485263.7703157