21031859 is an odd 8-digits composite number following 21031858
and preceding 21031860 . In scientific notation, it is written as 2.1031859 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 20542704 positive integers (up to 21031859) that are relatively prime to 21031859.
21031859 has 4 divisors, whose sum is 21521016
The reverse of 21031859 is 95813012
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million thirty-one thousand eight hundred fifty-nine
Scientific notation
2.1031859 × 10^7
Engineering notation
2.1031859 × 10^6
Prime Factorization
43 × 489113
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21031859
Product of the distinct prime numbers
The prime factorization of 21031859 is 43 × 489113.
Since it has a total of 2 prime factors.
8 , 7 , 93 , 15 , 230 , 648 , 2661 , 7736 , 49615 , 61814 , 885809 , 899333 , 8379156 , 7742765 , 18541602 , 92042958 , 892382016 , 133514724 , 1334040226 , 112566575
n×2
42063718
n×3
63095577
n×4
84127436
n×5
105159295
n÷2
10515929.5
n÷3
7010619.6666667
n÷3
5257964.75
n÷5
4206371.8
n2
442339092995881
n3
9.3032134340773E+21
n4
1.9566387319242E+29
n5
4.1151749923768E+36
2 √n
4586.0504794431
3 √n
276.03186550098
4 √n
67.720384519309
5 √n
29.145769926709
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21031858
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21031859 can be divided by 4 positive divisors.
The sum of these divisors (counting 21031859) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000001110101110110011
3
Ternary
1110120112021202
4
Quaternary
1100032232303
5
Quinary
20341004414
6
Senary
2030441415
8
Octal
120165663
10
Decimal
21031859
12
Duodecimal
706326b
16
Hexadecimal
140ebb3
20
Vigesimal
6b8jcj
36
Base36
cisab
md5
4938665f3139f2a4132c5a43eaeed7c9
sha1
26aa362a21631924e400354dc885128749d04afe
sha256
89c4ead26746c7433f29438e521bcf85d7f20298274e5063d296db47f47b6c1e
sha512
b8e54f009de8b2ce3a9aac47aabaabac54c6d82b966ca2cbe398dfb5351af389b06bfc2e5c783bf1cec35ca6afc17d0a5d6379f46b847b26ca7df639bb37995b
ripemd-160
c6fae80561735ec7ea82bd3bd66dbf488b66589b
Diameter
42063718
Circumference
132147067.45147
Area
1.3896492449514E+15
Volume
3.89692093057E+22
Surface area
5.5585969798057E+15
Circumference
132147067.45147
Perimeter
84127436
Area
442339092995881
Diagonal
29743540.239719
Surface area
2654034557975286
Volume
9.3032134340773E+21
Space diagonal
36428248.365625
Perimeter
63095577
Area
1.915384458107E+14
Altitude
18214124.182812
Surface area
1.915384458107E+14
Volume
1.096394217677E+21
Height
9914513.4132395