20889780 is an even 8-digits composite number following 20889779
and preceding 20889781 . In scientific notation, it is written as 2.0889780 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors.
There are 5570592 positive integers (up to 20889780) that are relatively prime to 20889780.
20889780 has 12 divisors, whose sum is 38994368
The reverse of 20889780 is 08798802
Previous prime number is 15
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million eight hundred eighty-nine thousand seven hundred eighty
Scientific notation
2.0889780 × 10^7
Engineering notation
2.0889780 × 10^6
Prime Factorization
2 × 2 × 15 × 348163
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10444890
Product of the distinct prime numbers
The prime factorization of 20889780 is 2 × 2 × 15 × 348163.
Since it has a total of 4 prime factors.
6 , 8 , 10 , 70 , 489 , 182 , 3905 , 8356 , 91701 , 93541 , 125718 , 113938 , 9301138 , 1634723 , 63619396 , 6383743 , 511328539 , 692594088 , 5496468779 , 7542382900
n×2
41779560
n×3
62669340
n×4
83559120
n×5
104448900
n÷2
10444890
n÷3
6963260
n÷3
5222445
n÷5
4177956
n2
436382908448400
n3
9.1159429532472E+21
n4
1.9043004278588E+29
n5
3.9780416991877E+36
2 √n
4570.5338856637
3 √n
275.40889035283
4 √n
67.60572376407
5 √n
29.106284714346
1 , 2 , 4 , 15 , 30 , 60 , 348163 , 696326 , 1392652 , 5222445 , 10444890 , 20889780
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20889779
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20889780 can be divided by 12 positive divisors.
The sum of these divisors (counting 20889780) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111101100000010110100
3
Ternary
1110022022101120
4
Quaternary
1033230002310
5
Quinary
20321433110
6
Senary
2023423540
8
Octal
117540264
10
Decimal
20889780
12
Duodecimal
6bb4bb0
16
Hexadecimal
13ec0b4
20
Vigesimal
6ab490
36
Base36
cfqno
md5
acd450b577419730e58a0de02bbf23f8
sha1
da9a13bb4b6d63304823dc9f447a67d9a82c645f
sha256
ab5ccd66d8ed9cb689297813c23b18080a9e40e9d94aa002523391c398b9074e
sha512
07d7dd3a2f17522267257aa9580ac12f55e6155f087effa1fc2050333d62d4aa89a69eea65148cb92293bbb53fe90b9f627be18c3352eaddd71114fbe1b8acc8
ripemd-160
4bce70692b2cbececa95cd8366c0fab3165ad6ac
Diameter
41779560
Circumference
131254358.76621
Area
1.3709373393336E+15
Volume
3.8184772549953E+22
Surface area
5.4837493573346E+15
Circumference
131254358.76621
Perimeter
83559120
Area
436382908448400
Diagonal
29542610.19099
Surface area
2618297450690400
Volume
9.1159429532472E+21
Space diagonal
36182160.318936
Perimeter
62669340
Area
1.8895934224683E+14
Altitude
18091080.159468
Surface area
1.8895934224683E+14
Volume
1.0743241798585E+21
Height
9847536.7303301