21876871 is an odd 8-digits prime number following 21876870
and preceding 21876872 . In scientific notation, it is written as 2.1876871 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 21876870 positive integers (up to 21876871) that are relatively prime to 21876871.
21876871 has 2 divisors, whose sum is 21876872
The reverse of 21876871 is 17867812
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 40 Digital Root 4
Name
twenty-one million eight hundred seventy-six thousand eight hundred seventy-one
Scientific notation
2.1876871 × 10^7
Engineering notation
2.1876871 × 10^6
Prime Factorization
21876871
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21876871 Product of the distinct prime numbers
The prime factorization of 21876871 is 21876871.
Since it has a total of 1 prime factors.
4 , 9 , 19 , 77 , 244 , 934 , 9863 , 8521 , 95178 , 50633 , 581331 , 693676 , 3413632 , 9452449 , 37345086 , 62123524 , 720211496 , 988473996 , 1605547690 , 2494742953
n×2
43753742
n×3
65630613
n×4
87507484
n×5
109384355
n÷2
10938435.5
n÷3
7292290.3333333
n÷3
5469217.75
n÷5
4375374.2
n2
478597484750641
n3
1.0470215434814E+22
n4
2.2905555240964E+29
n5
5.0110187718994E+36
2 √n4677.2717475041
3 √n279.68020888164
4 √n68.39058230125
5 √n29.376296380592
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21876872 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10938436 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4677.271854404 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999085793 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21876871 can be divided by 2 positive divisors.
The sum of these divisors (counting 21876871) is 21876872, the average is 10938436.
Base
System
Value
2
Binary
1010011011101000010000111
3
Ternary
1112011110102111
4
Quaternary
1103131002013
5
Quinary
21100024441
6
Senary
2100521451
8
Octal
123350207
10
Decimal
21876871
12
Duodecimal
73b0287
16
Hexadecimal
14dd087
20
Vigesimal
6gec3b
36
Base36
d0wav
md5
f884e6d8358cd0eb6b571f1d95400a00
sha1
46c8d8c38f69103934344682a1883572d10ec48e
sha256
2e6aa95c6d90c513cfbe0c3cf4f1d74e7de6b173554fc5c819d6f5b0a6b6a0dc
sha512
dd33d7088ae7c3e7039fae891aa219b64a75e85d58f2d93b96d3e0fafbe3ecb9247bc108b9bf5f28e75d5fa23d6f041681bdb6ea940a60b3b168db46846305eb
ripemd-160
2109ad6541112e23f86881816bd0ca5d4eadc613
Diameter
43753742
Circumference
137456434.43426
Area
1.5035583421192E+15
Volume
4.3857535855353E+22
Surface area
6.0142333684767E+15
Circumference
137456434.43426
Perimeter
87507484
Area
478597484750641
Diagonal
30938567.670487
Surface area
2871584908503846
Volume
1.0470215434814E+22
Space diagonal
37891852.08263
Perimeter
65630613
Area
2.072387899907E+14
Altitude
18945926.041315
Surface area
2.072387899907E+14
Volume
1.2339267224069E+21
Height
10312855.890162