20921672 is an even 8-digits composite number following 20921671
and preceding 20921673 . In scientific notation, it is written as 2.0921672 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 8 positive divisors.
There are 10460832 positive integers (up to 20921672) that are relatively prime to 20921672.
20921672 has 8 divisors, whose sum is 39228150
The reverse of 20921672 is 27612902
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million nine hundred twenty-one thousand six hundred seventy-two
Scientific notation
2.0921672 × 10^7
Engineering notation
2.0921672 × 10^6
Prime Factorization
2 × 2 × 2 × 2615209
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5230418
Product of the distinct prime numbers
The prime factorization of 20921672 is 2 × 2 × 2 × 2615209.
Since it has a total of 4 prime factors.
7 , 4 , 30 , 31 , 783 , 292 , 2351 , 9630 , 81663 , 74593 , 638259 , 207584 , 7026897 , 8797580 , 9739004 , 30017448 , 619315101 , 351115315 , 4347632406 , 7461545268
n×2
41843344
n×3
62765016
n×4
83686688
n×5
104608360
n÷2
10460836
n÷3
6973890.6666667
n÷3
5230418
n÷5
4184334.4
n2
437716359275584
n3
9.1577580977979E+21
n4
1.9159561117747E+29
n5
4.0085005336946E+36
2 √n
4574.021425398
3 √n
275.54897279723
4 √n
67.63151207387
5 √n
29.115166486102
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20921671
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20921672 can be divided by 8 positive divisors.
The sum of these divisors (counting 20921672) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111110011110101001000
3
Ternary
1110100221010202
4
Quaternary
1033303311020
5
Quinary
20323443142
6
Senary
2024231332
8
Octal
117636510
10
Decimal
20921672
12
Duodecimal
700b548
16
Hexadecimal
13f3d48
20
Vigesimal
6af43c
36
Base36
cgf9k
md5
85c465b7643953ee10007953e7b7a4d5
sha1
db7f344efbff279acb83ae8d210193bb7f06869e
sha256
935fd3991360dd0d58f0be7cdce8761d27e1d5ab5669207c531b3557eb397156
sha512
649b5abf97afe35bcdaa1b4ebb527d6bec94482e6639f815a3301a9952dd803af37d4f170079d6c8dde7dd4d6d479dc1387f00e2f0045a980663d894c4174311
ripemd-160
5189ca803973d5978541b866523ea7afe8c293c4
Diameter
41843344
Circumference
131454742.11203
Area
1.3751264986562E+15
Volume
3.8359927417859E+22
Surface area
5.500505994625E+15
Circumference
131454742.11203
Perimeter
83686688
Area
437716359275584
Diagonal
29587712.289921
Surface area
2626298155653504
Volume
9.1577580977979E+21
Space diagonal
36237398.883291
Perimeter
62765016
Area
1.8953674339235E+14
Altitude
18118699.441646
Surface area
1.8953674339235E+14
Volume
1.0792521419032E+21
Height
9862570.7633071