21998980 is an even 8-digits composite number following 21998979
and preceding 21998981 . In scientific notation, it is written as 2.1998980 × 10^7.
The sum of its digits is 46. It has a total of 5 prime factors and 24 positive divisors.
There are 8778240 positive integers (up to 21998980) that are relatively prime to 21998980.
21998980 has 24 divisors, whose sum is 46310040
The reverse of 21998980 is 08989912
Previous prime number is 509
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty-one million nine hundred ninety-eight thousand nine hundred eighty
Scientific notation
2.1998980 × 10^7
Engineering notation
2.1998980 × 10^6
Prime Factorization
2 × 2 × 5 × 509 × 2161
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10999490
Product of the distinct prime numbers
The prime factorization of 21998980 is 2 × 2 × 5 × 509 × 2161.
Since it has a total of 5 prime factors.
5 , 1 , 58 , 80 , 928 , 952 , 889 , 2392 , 25422 , 5901 , 598646 , 732810 , 7838791 , 7052409 , 17509426 , 11858159 , 599805987 , 801011327 , 5040715129 , 7368811147
n×2
43997960
n×3
65996940
n×4
87995920
n×5
109994900
n÷2
10999490
n÷3
7332993.3333333
n÷3
5499745
n÷5
4399796
n2
483955121040400
n3
1.0646519028665E+22
n4
2.3421255918123E+29
n5
5.1524374051767E+36
2 √n
4690.3070261978
3 √n
280.19960257419
4 √n
68.485816241013
5 √n
29.409017038832
1 , 2 , 4 , 5 , 10 , 20 , 509 , 1018 , 2036 , 2161 , 2545 , 4322 , 5090 , 8644 , 10180 , 10805 , 21610 , 43220 , 1099949 , 2199898 , 4399796 , 5499745 , 10999490 , 21998980
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21998979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21998980 can be divided by 24 positive divisors.
The sum of these divisors (counting 21998980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010011111010110110000100
3
Ternary
1112101122221001
4
Quaternary
1103322312010
5
Quinary
21112431410
6
Senary
2103303044
8
Octal
123726604
10
Decimal
21998980
12
Duodecimal
744aa84
16
Hexadecimal
14fad84
20
Vigesimal
6h9h90
36
Base36
d3iis
md5
5f939d3e3bf8814b3a32224612e07a42
sha1
1a3f7bb9d02c567460f210527355fbc6aac81122
sha256
9629fd0a04859264f9af60333a849992aebe6c7603c5031f20c0ecc8dc55d232
sha512
4a623430bdfe078956c49a9f5d23025f705c63aaef141d242276d48334aecce86d4b77963fae45dd6e014bb83fee5ee7651798db576cfca47c88a75917e96907
ripemd-160
6ae5e5506e32a6a6901d972bd237ad5829da4836
Diameter
43997960
Circumference
138223667.90894
Area
1.5203898529277E+15
Volume
4.4596034622345E+22
Surface area
6.0815594117107E+15
Circumference
138223667.90894
Perimeter
87995920
Area
483955121040400
Diagonal
31111255.874374
Surface area
2903730726242400
Volume
1.0646519028665E+22
Space diagonal
38103351.074692
Perimeter
65996940
Area
2.0955871455628E+14
Altitude
19051675.537346
Surface area
2.0955871455628E+14
Volume
1.2547043002001E+21
Height
10370418.624791