20921373 is an odd 8-digits composite number following 20921372
and preceding 20921374 . In scientific notation, it is written as 2.0921373 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 11520000 positive integers (up to 20921373) that are relatively prime to 20921373.
20921373 has 32 divisors, whose sum is 32108544
The reverse of 20921373 is 37312902
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million nine hundred twenty-one thousand three hundred seventy-three
Scientific notation
2.0921373 × 10^7
Engineering notation
2.0921373 × 10^6
Prime Factorization
51 × 11 × 3 × 31 × 401
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20921373
Product of the distinct prime numbers
The prime factorization of 20921373 is 51 × 11 × 3 × 31 × 401.
Since it has a total of 5 prime factors.
10 , 3 , 7 , 43 , 916 , 21 , 1728 , 7904 , 1846 , 79417 , 284418 , 226997 , 4663481 , 1216115 , 86558101 , 88006569 , 720025130 , 977985209 , 4277999974 , 7340852815
n×2
41842746
n×3
62764119
n×4
83685492
n×5
104606865
n÷2
10460686.5
n÷3
6973791
n÷3
5230343.25
n÷5
4184274.6
n2
437703848205129
n3
9.1573654718349E+21
n4
1.9158465873358E+29
n5
4.0082141064429E+36
2 √n
4573.9887406945
3 √n
275.54766013071
4 √n
67.631270435313
5 √n
29.115083266324
1 , 3 , 11 , 31 , 33 , 51 , 93 , 153 , 341 , 401 , 561 , 1023 , 1203 , 1581 , 1683 , 4411 , 4743 , 12431 , 13233 , 17391 , 20451 , 37293 , 52173 , 61353 , 136741 , 224961 , 410223 , 633981 , 674883 , 1901943 , 6973791 , 20921373
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
-20921372
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 20921373 can be divided by 32 positive divisors.
The sum of these divisors (counting 20921373) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111110011110000011101
3
Ternary
1110100220201200
4
Quaternary
1033303300131
5
Quinary
20323440443
6
Senary
2024230113
8
Octal
117636035
10
Decimal
20921373
12
Duodecimal
700b339
16
Hexadecimal
13f3c1d
20
Vigesimal
6af38d
36
Base36
cgf19
md5
300b21a81a497ab0cf6c4a5fa985dfd2
sha1
43e707cede5dd2c0c1b08cef5214f7f47c8a7a2a
sha256
05d12cbcf007c591cf46b2f725b08fe6a279926b9f4ba741311690600c250bbb
sha512
483c3c85c3a90ca343f2b5001d9ccaa11a3d83de08d0efdb6213c393c5f5439d570ee60ee327601ac02aeb1687e2db316beb8e3f2b27b90fb46e4157c8e77312
ripemd-160
dd5805fba9d1a537277b4b260ded2e736980eba4
Diameter
41842746
Circumference
131452863.43962
Area
1.3750871939692E+15
Volume
3.8358282790071E+22
Surface area
5.5003487758769E+15
Circumference
131452863.43962
Perimeter
83685492
Area
437703848205129
Diagonal
29587289.440066
Surface area
2626223089230774
Volume
9.1573654718349E+21
Space diagonal
36236881.0001
Perimeter
62764119
Area
1.8953132593992E+14
Altitude
18118440.50005
Surface area
1.8953132593992E+14
Volume
1.0792058704897E+21
Height
9862429.8133554