21998902 is an even 8-digits composite number following 21998901
and preceding 21998903 . In scientific notation, it is written as 2.1998902 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 10181160 positive integers (up to 21998902) that are relatively prime to 21998902.
21998902 has 16 divisors, whose sum is 35546112
The reverse of 21998902 is 20989912
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million nine hundred ninety-eight thousand nine hundred two
Scientific notation
2.1998902 × 10^7
Engineering notation
2.1998902 × 10^6
Prime Factorization
2 × 31 × 23 × 15427
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21998902
Product of the distinct prime numbers
The prime factorization of 21998902 is 2 × 31 × 23 × 15427.
Since it has a total of 4 prime factors.
8 , 10 , 47 , 73 , 360 , 360 , 582 , 1935 , 12656 , 53877 , 429600 , 327085 , 8817387 , 8779949 , 16796353 , 71760033 , 383102176 , 567231688 , 9592586836 , 5074396648
n×2
43997804
n×3
65996706
n×4
87995608
n×5
109994510
n÷2
10999451
n÷3
7332967.3333333
n÷3
5499725.5
n÷5
4399780.4
n2
483951689205604
n3
1.0646405783569E+22
n4
2.3420923748496E+29
n5
5.1523460629263E+36
2 √n
4690.2987111697
3 √n
280.19927141346
4 √n
68.48575553478
5 √n
29.408996184169
1 , 2 , 23 , 31 , 46 , 62 , 713 , 1426 , 15427 , 30854 , 354821 , 478237 , 709642 , 956474 , 10999451 , 21998902
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21998901
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21998902 can be divided by 16 positive divisors.
The sum of these divisors (counting 21998902) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011111010110100110110
3
Ternary
1112101122211011
4
Quaternary
1103322310312
5
Quinary
21112431102
6
Senary
2103302434
8
Octal
123726466
10
Decimal
21998902
12
Duodecimal
744aa1a
16
Hexadecimal
14fad36
20
Vigesimal
6h9h52
36
Base36
d3igm
md5
83eeaf4c314fac02efc65a6a457ced05
sha1
575bd446553794a383788ebf74e608dcabc2f1d2
sha256
697c61c4b3072e0d0dafbd31d918ecf9100c204f95f7671e4081da48f03c3bf2
sha512
38a1e50a904d513a8a24e8d22205dd4aed18b5894d94e633714232f8ac74994963ca7d50506891446cd8cb033ec8a04dfd650cc62657b03159bef2e85f85ca86
ripemd-160
22b474787a5dd059764f210e96550f073760f78f
Diameter
43997804
Circumference
138223177.82048
Area
1.5203790715007E+15
Volume
4.4595560262393E+22
Surface area
6.0815162860028E+15
Circumference
138223177.82048
Perimeter
87995608
Area
483951689205604
Diagonal
31111145.565717
Surface area
2903710135233624
Volume
1.0646405783569E+22
Space diagonal
38103215.974729
Perimeter
65996706
Area
2.0955722852822E+14
Altitude
19051607.987364
Surface area
2.0955722852822E+14
Volume
1.2546909541375E+21
Height
10370381.855239