19906489 is an odd 8-digits prime number following 19906488
and preceding 19906490 . In scientific notation, it is written as 1.9906489 × 10^7.
The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors.
There are 19906488 positive integers (up to 19906489) that are relatively prime to 19906489.
19906489 has 2 divisors, whose sum is 19906490
The reverse of 19906489 is 98460991
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
nineteen million nine hundred six thousand four hundred eighty-nine
Scientific notation
1.9906489 × 10^7
Engineering notation
1.9906489 × 10^6
Prime Factorization
19906489
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
19906489
Product of the distinct prime numbers
The prime factorization of 19906489 is 19906489.
Since it has a total of 1 prime factors.
1 , 10 , 35 , 35 , 775 , 118 , 7691 , 7922 , 37711 , 73769 , 661830 , 751610 , 3075905 , 508211 , 63236691 , 40761571 , 188308397 , 244832666 , 510887950 , 1640134341
n×2
39812978
n×3
59719467
n×4
79625956
n×5
99532445
n÷2
9953244.5
n÷3
6635496.3333333
n÷3
4976622.25
n÷5
3981297.8
n2
396268304307121
n3
7.8883106407384E+21
n4
1.5702856899844E+29
n5
3.1258874814532E+36
2 √n
4461.668858174
3 √n
271.01805410691
4 √n
66.795724849529
5 √n
28.826965852293
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
19906490
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9953245
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4461.6689702397
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998995303
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19906489 can be divided by 2 positive divisors.
The sum of these divisors (counting 19906489) is 19906490, the average is 9953245.
Base
System
Value
2
Binary
1001011111011111110111001
3
Ternary
1101110100120101
4
Quaternary
1023323332321
5
Quinary
20044001424
6
Senary
1550355401
8
Octal
113737671
10
Decimal
19906489
12
Duodecimal
67bbb61
16
Hexadecimal
12fbfb9
20
Vigesimal
648649
36
Base36
buny1
md5
53adfa07aa3635d8e454c56b0a017187
sha1
1c518a263916c603d4316d811075ee6fff38f0d4
sha256
04c19dc704cb0b985fc398f500e5f091c0002327bc8d71083e9abfdafc732629
sha512
727c12067da743ed6206a36bdd78a9e5579ff6a10f8035096d9dc9f41a22023c6e498cc8867e383c63e6cb82bf978e385bf451543e6a9e276ae5ca0e827fdaef
ripemd-160
a8a2b5f68a1b8a7b115f2497492d82ed6b090239
Diameter
39812978
Circumference
125076159.20233
Area
1.2449135936617E+15
Volume
3.3042478344237E+22
Surface area
4.9796543746469E+15
Circumference
125076159.20233
Perimeter
79625956
Area
396268304307121
Diagonal
28152026.723031
Surface area
2377609825842726
Volume
7.8883106407384E+21
Space diagonal
34479050.348311
Perimeter
59719467
Area
1.7158920912227E+14
Altitude
17239525.174155
Surface area
1.7158920912227E+14
Volume
9.2964632436202E+20
Height
9384008.9076769