21084872 is an even 8-digits composite number following 21084871
and preceding 21084873 . In scientific notation, it is written as 2.1084872 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 16 positive divisors.
There are 10486480 positive integers (up to 21084872) that are relatively prime to 21084872.
21084872 has 16 divisors, whose sum is 39744000
The reverse of 21084872 is 27848012
Previous prime number is 191
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million eighty-four thousand eight hundred seventy-two
Scientific notation
2.1084872 × 10^7
Engineering notation
2.1084872 × 10^6
Prime Factorization
2 × 2 × 2 × 191 × 13799
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5271218
Product of the distinct prime numbers
The prime factorization of 21084872 is 2 × 2 × 2 × 191 × 13799.
Since it has a total of 5 prime factors.
1 , 1 , 54 , 46 , 562 , 201 , 5524 , 739 , 98 , 96926 , 678713 , 570117 , 4218660 , 9074349 , 6855459 , 39820217 , 587891522 , 181214427 , 8099216042 , 8415360892
n×2
42169744
n×3
63254616
n×4
84339488
n×5
105424360
n÷2
10542436
n÷3
7028290.6666667
n÷3
5271218
n÷5
4216974.4
n2
444571827256384
n3
9.373740072507E+21
n4
1.9764410959008E+29
n5
4.1673007522608E+36
2 √n
4591.8266517803
3 √n
276.26359330612
4 √n
67.763018319584
5 √n
29.160448127183
1 , 2 , 4 , 8 , 191 , 382 , 764 , 1528 , 13799 , 27598 , 55196 , 110392 , 2635609 , 5271218 , 10542436 , 21084872
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
-21084871
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 21084872 can be divided by 16 positive divisors.
The sum of these divisors (counting 21084872) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000011011101011001000
3
Ternary
1110200020000012
4
Quaternary
1100123223020
5
Quinary
20344203442
6
Senary
2031531052
8
Octal
120335310
10
Decimal
21084872
12
Duodecimal
7089a88
16
Hexadecimal
141bac8
20
Vigesimal
6bfc3c
36
Base36
cjx6w
md5
cb886cb906eaf3da782ee4984cf7bccb
sha1
95ec73671f42d3d28d4e0ab5b124998673cf0755
sha256
ffc4b7aa3645593c37488917b7f800778bd0a6a3aa83512d5ff4cdb112422c06
sha512
a75eef7027ebd34883589c8aac7a57a75f1aedf74e19e018e510eabe71da8810cdc55a2d6f6463f1d5ba7bc649d3c1fba4a87390502f78f4dcec47fac82bd6fd
ripemd-160
ffab5324ccafd8661d25bd6989b4566f333ecb80
Diameter
42169744
Circumference
132480157.95416
Area
1.3966635865016E+15
Volume
3.9264630597931E+22
Surface area
5.5866543460066E+15
Circumference
132480157.95416
Perimeter
84339488
Area
444571827256384
Diagonal
29818511.943301
Surface area
2667430963538304
Volume
9.373740072507E+21
Space diagonal
36520069.575086
Perimeter
63254616
Area
1.9250524810545E+14
Altitude
18260034.787543
Surface area
1.9250524810545E+14
Volume
1.104705861725E+21
Height
9939503.9811002