21881377 is an odd 8-digits composite number following 21881376
and preceding 21881378 . In scientific notation, it is written as 2.1881377 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 18722832 positive integers (up to 21881377) that are relatively prime to 21881377.
21881377 has 8 divisors, whose sum is 25050816
The reverse of 21881377 is 77318812
Previous prime number is 653
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million eight hundred eighty-one thousand three hundred seventy-seven
Scientific notation
2.1881377 × 10^7
Engineering notation
2.1881377 × 10^6
Prime Factorization
7 × 653 × 4787
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21881377
Product of the distinct prime numbers
The prime factorization of 21881377 is 7 × 653 × 4787.
Since it has a total of 3 prime factors.
7 , 8 , 55 , 63 , 15 , 782 , 6921 , 9954 , 54845 , 87995 , 648118 , 379250 , 2771202 , 2913355 , 21136182 , 95724052 , 588190637 , 495127668 , 344856103 , 2492570958
n×2
43762754
n×3
65644131
n×4
87525508
n×5
109406885
n÷2
10940688.5
n÷3
7293792.3333333
n÷3
5470344.25
n÷5
4376275.4
n2
478794659416129
n3
1.0476686448271E+22
n4
2.2924432588541E+29
n5
5.0161815198094E+36
2 √n
4677.7534137661
3 √n
279.69940956329
4 √n
68.394103647654
5 √n
29.377506413664
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
-21881376
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 21881377 can be divided by 8 positive divisors.
The sum of these divisors (counting 21881377) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011011110001000100001
3
Ternary
1112011200121101
4
Quaternary
1103132020201
5
Quinary
21100201002
6
Senary
2100554401
8
Octal
123361041
10
Decimal
21881377
12
Duodecimal
73b2a01
16
Hexadecimal
14de221
20
Vigesimal
6gf38h
36
Base36
d0zs1
md5
e013f2db7a6179104756b8f0d577c411
sha1
96dfa4a09305984f3a57b7d16933c7003b7a235f
sha256
61065dec50f3d447f7d72260341822e72ab51f24582eecd9502dcdeb9b614095
sha512
d3079ecb8516896c384fa4953bc6cd0f32ba5027362a6ad18d60079de3551f94a9b2eb1cc5046fd2e5d2ca048e55f09e58cbe87eb49a000897aa45bd467af878
ripemd-160
50761def299f08a3e53b330e166d4badfc2ac682
Diameter
43762754
Circumference
137484746.46726
Area
1.5041777845997E+15
Volume
4.3884641573136E+22
Surface area
6.016711138399E+15
Circumference
137484746.46726
Perimeter
87525508
Area
478794659416129
Diagonal
30944940.116799
Surface area
2872767956496774
Volume
1.0476686448271E+22
Space diagonal
37899656.703569
Perimeter
65644131
Area
2.0732416912534E+14
Altitude
18949828.351785
Surface area
2.0732416912534E+14
Volume
1.2346893386563E+21
Height
10314980.038933