20112921 is an odd 8-digits composite number following 20112920
and preceding 20112922 . In scientific notation, it is written as 2.0112921 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 32 positive divisors.
There are 12176640 positive integers (up to 20112921) that are relatively prime to 20112921.
20112921 has 32 divisors, whose sum is 32659200
The reverse of 20112921 is 12921102
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred twelve thousand nine hundred twenty-one
Scientific notation
2.0112921 × 10^7
Engineering notation
2.0112921 × 10^6
Prime Factorization
9 × 3 × 17 × 29 × 1511
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20112921
Product of the distinct prime numbers
The prime factorization of 20112921 is 9 × 3 × 17 × 29 × 1511.
Since it has a total of 5 prime factors.
1 , 2 , 58 , 88 , 100 , 231 , 3974 , 7170 , 66381 , 56090 , 46008 , 24420 , 2329761 , 2647466 , 59916502 , 77875521 , 462441435 , 663893206 , 7959655562 , 8630138218
n×2
40225842
n×3
60338763
n×4
80451684
n×5
100564605
n÷2
10056460.5
n÷3
6704307
n÷3
5028230.25
n÷5
4022584.2
n2
404529591152241
n3
8.1362717090073E+21
n4
1.636441901178E+29
n5
3.2913626679483E+36
2 √n
4484.7431364572
3 √n
271.95166114029
4 √n
66.968224826833
5 √n
28.88650700531
1 , 3 , 9 , 17 , 27 , 29 , 51 , 87 , 153 , 261 , 459 , 493 , 783 , 1479 , 1511 , 4437 , 4533 , 13311 , 13599 , 25687 , 40797 , 43819 , 77061 , 131457 , 231183 , 394371 , 693549 , 744923 , 1183113 , 2234769 , 6704307 , 20112921
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
-20112920
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 20112921 can be divided by 32 positive divisors.
The sum of these divisors (counting 20112921) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100101110011000011001
3
Ternary
1101211211202000
4
Quaternary
1030232120121
5
Quinary
20122103141
6
Senary
1555031213
8
Octal
114563031
10
Decimal
20112921
12
Duodecimal
689b509
16
Hexadecimal
132e619
20
Vigesimal
65e261
36
Base36
bz389
md5
e6d5bf5f7c1831132500f2e9f8127a37
sha1
4d455cdba463aba19a07bd14c762db2787b8ab43
sha256
7ceaccaf4d192d8dfea0a304ca55d96dc45317860342d8e89aedcfe15b41148d
sha512
29eb84a351e8cb61afa4f1d8c1c061cdc001abe9043de59f71c83fad1eda60b2b86eb963f17522d9aebcdc2177309a69ccd26ab249546807b4b9e3eb82123c5e
ripemd-160
df55a7878f1b6982a0db75bed07e693a7fae243d
Diameter
40225842
Circumference
126373209.71166
Area
1.2708671917236E+15
Volume
3.408113523817E+22
Surface area
5.0834687668943E+15
Circumference
126373209.71166
Perimeter
80451684
Area
404529591152241
Diagonal
28443965.657139
Surface area
2427177546913446
Volume
8.1362717090073E+21
Space diagonal
34836601.060619
Perimeter
60338763
Area
1.7516645126019E+14
Altitude
17418300.53031
Surface area
1.7516645126019E+14
Volume
9.5886881650256E+20
Height
9481321.8857129