21878097 is an odd 8-digits composite number following 21878096
and preceding 21878098 . In scientific notation, it is written as 2.1878097 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 14574240 positive integers (up to 21878097) that are relatively prime to 21878097.
21878097 has 8 divisors, whose sum is 29193120
The reverse of 21878097 is 79087812
Previous prime number is 2089
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-one million eight hundred seventy-eight thousand ninety-seven
Scientific notation
2.1878097 × 10^7
Engineering notation
2.1878097 × 10^6
Prime Factorization
3 × 2089 × 3491
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21878097
Product of the distinct prime numbers
The prime factorization of 21878097 is 3 × 2089 × 3491.
Since it has a total of 3 prime factors.
7 , 8 , 28 , 43 , 695 , 210 , 7354 , 7461 , 40974 , 39516 , 479331 , 592571 , 3117425 , 8061309 , 136079 , 33685658 , 461324843 , 139469484 , 1982119189 , 302522684
n×2
43756194
n×3
65634291
n×4
87512388
n×5
109390485
n÷2
10939048.5
n÷3
7292699
n÷3
5469524.25
n÷5
4375619.4
n2
478651128341409
n3
1.0471975815013E+22
n4
2.291069026625E+29
n5
5.0124230398198E+36
2 √n
4677.4028049763
3 √n
279.68543329621
4 √n
68.39154044892
5 √n
29.376625628152
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
-21878096
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 21878097 can be divided by 8 positive divisors.
The sum of these divisors (counting 21878097) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011011101010101010001
3
Ternary
1112011112002220
4
Quaternary
1103131111101
5
Quinary
21100044342
6
Senary
2100531253
8
Octal
123352521
10
Decimal
21878097
12
Duodecimal
73b0b29
16
Hexadecimal
14dd551
20
Vigesimal
6gef4h
36
Base36
d0x8x
md5
01bec60419b951d19a3c505170bc88f2
sha1
45db8163ba8fd400b018f5e6f74eb64b985c80c8
sha256
9fc0c97c555bc1ab2fa9c86adbe4f8fc3ea245a13a0606cc4249dc6d0cde1897
sha512
ddcf8387d81928981fff2040bce35fb49602b5acac7f7a7e0ed55f472d9df3012abf5e54acfba28d14ab09371853a6726aea2cdea49aaa800e737be8315cbab2
ripemd-160
8649c73dc1d944d383c45418fd03b816b8a6e262
Diameter
43756194
Circumference
137464137.61945
Area
1.5037268684298E+15
Volume
4.3864909718686E+22
Surface area
6.0149074737193E+15
Circumference
137464137.61945
Perimeter
87512388
Area
478651128341409
Diagonal
30940301.496314
Surface area
2871906770048454
Volume
1.0471975815013E+22
Space diagonal
37893975.57692
Perimeter
65634291
Area
2.0726201834687E+14
Altitude
18946987.78846
Surface area
2.0726201834687E+14
Volume
1.2341341852028E+21
Height
10313433.832105