21770931 is an odd 8-digits composite number following 21770930
and preceding 21770932 . In scientific notation, it is written as 2.1770931 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 10805760 positive integers (up to 21770931) that are relatively prime to 21770931.
21770931 has 16 divisors, whose sum is 27025920
The reverse of 21770931 is 13907712
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million seven hundred seventy thousand nine hundred thirty-one
Scientific notation
2.1770931 × 10^7
Engineering notation
2.1770931 × 10^6
Prime Factorization
7 × 39 × 17 × 4691
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21770931
Product of the distinct prime numbers
The prime factorization of 21770931 is 7 × 39 × 17 × 4691.
Since it has a total of 4 prime factors.
10 , 2 , 23 , 15 , 516 , 350 , 6533 , 6779 , 60366 , 91773 , 571913 , 513518 , 5039832 , 536096 , 3666215 , 85058762 , 584079809 , 428422449 , 8652510238 , 1270374166
n×2
43541862
n×3
65312793
n×4
87083724
n×5
108854655
n÷2
10885465.5
n÷3
7256977
n÷3
5442732.75
n÷5
4354186.2
n2
473973436606761
n3
1.0318842984199E+22
n4
2.2465081860882E+29
n5
4.8908574710262E+36
2 √n
4665.9330256659
3 √n
279.22802237465
4 √n
68.307635193044
5 √n
29.34778982981
1 , 7 , 17 , 39 , 119 , 273 , 663 , 4641 , 4691 , 32837 , 79747 , 182949 , 558229 , 1280643 , 3110133 , 21770931
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
-21770930
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 21770931 can be divided by 16 positive divisors.
The sum of these divisors (counting 21770931) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011000011001010110011
3
Ternary
1111222002002210
4
Quaternary
1103003022303
5
Quinary
21033132211
6
Senary
2054343203
8
Octal
123031263
10
Decimal
21770931
12
Duodecimal
735ab03
16
Hexadecimal
14c32b3
20
Vigesimal
6g176b
36
Base36
cymk3
md5
87b50a8eee31ea2ba941238a5d52ef60
sha1
734eb68c37f2fcb3819c6b9e977f6f213c9c8eb3
sha256
c1cd8e8bb81e4b3dbfdd1003e951a3bb5bd4e390dacdab5f38ea157e9cf3e5d6
sha512
83e8cd7ae9d952217f552b1dbd98300f0af782b1d0765c6fdf777a1deb38d174f038b4bd6975b210033aae73704aba941f1d25ec4e13accbcf4ae9e575a7475b
ripemd-160
498e562241b2bd29e126e976ea6cd62f6a0d3a94
Diameter
43541862
Circumference
136790793.78282
Area
1.4890314664405E+15
Volume
4.322346841694E+22
Surface area
5.956125865762E+15
Circumference
136790793.78282
Perimeter
87083724
Area
473973436606761
Diagonal
30788745.885689
Surface area
2843840619640566
Volume
1.0318842984199E+22
Space diagonal
37708358.620076
Perimeter
65312793
Area
2.0523651841023E+14
Altitude
18854179.310038
Surface area
2.0523651841023E+14
Volume
1.216087308021E+21
Height
10262915.29523