21089870 is an even 8-digits composite number following 21089869
and preceding 21089871 . In scientific notation, it is written as 2.1089870 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 8435944 positive integers (up to 21089870) that are relatively prime to 21089870.
21089870 has 8 divisors, whose sum is 37961784
The reverse of 21089870 is 07898012
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million eighty-nine thousand eight hundred seventy
Scientific notation
2.1089870 × 10^7
Engineering notation
2.1089870 × 10^6
Prime Factorization
2 × 5 × 2108987
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21089870
Product of the distinct prime numbers
The prime factorization of 21089870 is 2 × 5 × 2108987.
Since it has a total of 3 prime factors.
6 , 7 , 67 , 100 , 814 , 521 , 1878 , 862 , 14580 , 56851 , 80209 , 66087 , 1407804 , 5061616 , 82158000 , 57945994 , 178520979 , 323086089 , 1719776542 , 37245008
n×2
42179740
n×3
63269610
n×4
84359480
n×5
105449350
n÷2
10544935
n÷3
7029956.6666667
n÷3
5272467.5
n÷5
4217974
n2
444782616616900
n3
9.3804075627103E+21
n4
1.9783157604458E+29
n5
4.1722422206752E+36
2 √n
4592.3708473946
3 √n
276.28542027213
4 √n
67.767033632841
5 √n
29.161830446248
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
-21089869
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 21089870 can be divided by 8 positive divisors.
The sum of these divisors (counting 21089870) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011100111001001110
3
Ternary
1110200110212022
4
Quaternary
1100130321032
5
Quinary
20344333440
6
Senary
2032010142
8
Octal
120347116
10
Decimal
21089870
12
Duodecimal
7090952
16
Hexadecimal
141ce4e
20
Vigesimal
6bg4da
36
Base36
ck11q
md5
c46bc320a0fe47c657827788ca721c7c
sha1
99403523c55439ef47e11adb746ded727beebb77
sha256
2235f4975b1c24749b766568d3f1f4f43dd1afa917e4e6a0be5b543480d7f559
sha512
891a79950d6c144e48e48df46658c86b33ebb17e9cc269b4a9cd174e618cc02bb3508907e5ee1379e50e37117df10d58450ab97dd5e98d93a9f3f3d0feab3c1f
ripemd-160
4221a0b6eab9c92784fb22ae9158b4310bbe4cc6
Diameter
42179740
Circumference
132511561.31433
Area
1.3973258008081E+15
Volume
3.9292559315585E+22
Surface area
5.5893032032324E+15
Circumference
132511561.31433
Perimeter
84359480
Area
444782616616900
Diagonal
29825580.182685
Surface area
2668695699701400
Volume
9.3804075627103E+21
Space diagonal
36528726.365023
Perimeter
63269610
Area
1.9259652257598E+14
Altitude
18264363.182511
Surface area
1.9259652257598E+14
Volume
1.105491632981E+21
Height
9941860.0608952