21000898 is an even 8-digits composite number following 21000897
and preceding 21000899 . In scientific notation, it is written as 2.1000898 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 10500448 positive integers (up to 21000898) that are relatively prime to 21000898.
21000898 has 4 divisors, whose sum is 31501350
The reverse of 21000898 is 89800012
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million eight hundred ninety-eight
Scientific notation
2.1000898 × 10^7
Engineering notation
2.1000898 × 10^6
Prime Factorization
2 × 10500449
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21000898
Product of the distinct prime numbers
The prime factorization of 21000898 is 2 × 10500449.
Since it has a total of 2 prime factors.
7 , 3 , 23 , 22 , 382 , 183 , 7325 , 3955 , 41221 , 99289 , 230719 , 955143 , 3044661 , 8146090 , 8182456 , 65720558 , 394529566 , 741606929 , 206461665 , 8927173354
n×2
42001796
n×3
63002694
n×4
84003592
n×5
105004490
n÷2
10500449
n÷3
7000299.3333333
n÷3
5250224.5
n÷5
4200179.6
n2
441037716806404
n3
9.2621881048042E+21
n4
1.9451426764581E+29
n5
4.0849742943743E+36
2 √n
4582.6736737411
3 √n
275.89635014382
4 √n
67.695447954358
5 √n
29.137183771664
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21000897
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21000898 can be divided by 4 positive divisors.
The sum of these divisors (counting 21000898) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000111001011000010
3
Ternary
1110111221211001
4
Quaternary
1100013023002
5
Quinary
20334012043
6
Senary
2030042214
8
Octal
120071302
10
Decimal
21000898
12
Duodecimal
704936a
16
Hexadecimal
14072c2
20
Vigesimal
6b524i
36
Base36
ci4ea
md5
4d3dcad3b64390ece38569a643ae825d
sha1
281459dd775bc4a5dfb1e2290a94ad6032c28714
sha256
70ae261ca9d32675fdbb854ef9dfcfcc624ed707334667b1e832fb7366d62e75
sha512
9c0ec5544a8c347c32f0ef43dd2913d4d9feb19031ad8433a0adc273f781c06c6d6bd909cc607de44b74c0f47fd52ae2ea0b586293dee6156f102b9d4cecc8d7
ripemd-160
44045d4e36e9c1543dce6e2a7b79afbfb8aa734b
Diameter
42001796
Circumference
131952533.75118
Area
1.385560851075E+15
Volume
3.8797362808293E+22
Surface area
5.5422434043001E+15
Circumference
131952533.75118
Perimeter
84003592
Area
441037716806404
Diagonal
29699754.773614
Surface area
2646226300838424
Volume
9.2621881048042E+21
Space diagonal
36374622.340572
Perimeter
63002694
Area
1.9097493339072E+14
Altitude
18187311.170286
Surface area
1.9097493339072E+14
Volume
1.0915593362554E+21
Height
9899918.2578713