211980 is an even 6-digits composite number following 211979
and preceding 211981 . In scientific notation, it is written as 2.11980 × 10^5.
The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors.
There are 56512 positive integers (up to 211980) that are relatively prime to 211980.
211980 has 24 divisors, whose sum is 593712
The reverse of 211980 is 089112
Previous prime number is 3
Is Prime? no
Number parity even
Number length 6
Sum of Digits 21
Digital Root 3
Name
two hundred eleven thousand nine hundred eighty
Scientific notation
2.11980 × 10^5
Engineering notation
2.11980 × 10^3
Prime Factorization
2 × 2 × 5 × 3 × 3533
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
105990
Product of the distinct prime numbers
The prime factorization of 211980 is 2 × 2 × 5 × 3 × 3533.
Since it has a total of 5 prime factors.
1 , 7 , 22 , 70 , 636 , 646 , 339 , 283 , 69570 , 21684 , 893812 , 205711 , 3301221 , 6497188 , 54159997 , 8239129 , 934537942 , 741265535 , 607348409 , 7987142731
n×2
423960
n×3
635940
n×4
847920
n×5
1059900
n÷2
105990
n÷3
70660
n÷3
52995
n÷5
42396
n2
44935520400
n3
9525431614392000
n4
2.0192009936188E+21
n5
4.2803022662732E+26
2 √n
460.41285820446
3 √n
59.625444445527
4 √n
21.457233237406
5 √n
11.621414129564
1 , 2 , 3 , 4 , 5 , 6 , 10 , 12 , 15 , 20 , 30 , 60 , 3533 , 7066 , 10599 , 14132 , 17665 , 21198 , 35330 , 42396 , 52995 , 70660 , 105990 , 211980
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-211979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 211980 can be divided by 24 positive divisors.
The sum of these divisors (counting 211980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110011110000001100
3
Ternary
101202210010
4
Quaternary
303300030
5
Quinary
23240410
6
Senary
4313220
8
Octal
636014
10
Decimal
211980
12
Duodecimal
a2810
16
Hexadecimal
33c0c
20
Vigesimal
169j0
36
Base36
4jkc
md5
39ca5cd3fbf99cd857fbf74238ecffe1
sha1
5804a9969a921171fd6f799c4509b0251999051c
sha256
5e9486b4e3562991a4eacf78895afa310e230bffc0b387e3ad5489d1cf5f90a4
sha512
0a3a5f84bee3681f45113eb97824c38b7a63aba3b9ab5ae2d583327fdc325ec2def89c3b197e644b344abdc93fa482290084427c178768f94584ef55ef08318b
ripemd-160
18e7d6a6747ae0fb4367d73da9c6ee9976388a8a
Diameter
423960
Circumference
1331909.6214159
Area
141169100773.87
Volume
3.9900034642728E+16
Surface area
564676403095.5
Circumference
1331909.6214159
Perimeter
847920
Area
44935520400
Diagonal
299784.99095185
Surface area
269613122400
Volume
9525431614392000
Space diagonal
367160.13018845
Perimeter
635940
Area
19457651099.337
Altitude
183580.06509423
Surface area
19457651099.337
Volume
1.1225828813776E+15
Height
99928.330317283