19961489 is an odd 8-digits composite number following 19961488
and preceding 19961490 . In scientific notation, it is written as 1.9961489 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 19317540 positive integers (up to 19961489) that are relatively prime to 19961489.
19961489 has 4 divisors, whose sum is 20605440
The reverse of 19961489 is 98416991
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
nineteen million nine hundred sixty-one thousand four hundred eighty-nine
Scientific notation
1.9961489 × 10^7
Engineering notation
1.9961489 × 10^6
Prime Factorization
31 × 643919
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19961489
Product of the distinct prime numbers
The prime factorization of 19961489 is 31 × 643919.
Since it has a total of 2 prime factors.
4 , 4 , 46 , 5 , 644 , 385 , 6010 , 6339 , 48800 , 98817 , 550621 , 797796 , 3430316 , 5624885 , 66427751 , 19720664 , 801295879 , 556040105 , 5649456709 , 1317467437
n×2
39922978
n×3
59884467
n×4
79845956
n×5
99807445
n÷2
9980744.5
n÷3
6653829.6666667
n÷3
4990372.25
n÷5
3992297.8
n2
398461043097121
n3
7.9538757287117E+21
n4
1.5877120286605E+29
n5
3.1693096195273E+36
2 √n
4467.8282196163
3 √n
271.26742481874
4 √n
66.841814903669
5 √n
28.842877586371
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
-19961488
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 19961489 can be divided by 4 positive divisors.
The sum of these divisors (counting 19961489) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100001001011010010001
3
Ternary
1101120011000102
4
Quaternary
1030021122101
5
Quinary
20102231424
6
Senary
1551502145
8
Octal
114113221
10
Decimal
19961489
12
Duodecimal
6827955
16
Hexadecimal
1309691
20
Vigesimal
64f3e9
36
Base36
bvudt
md5
bb6377eb02d51f576dcfde9c052a4ea7
sha1
42f09def7918edf048d08829a3b27123150cabf1
sha256
ab661dee184569cd20762ba6cf336e027e9036fcb8b9146a128ed85db00caaf3
sha512
4798b82943551841bf2d1788f9d67ae51ce1d78cfc87f0b621b4f6565773c01bfd6b27fcecadf05b1d130a79a5b775713c81daaa44d35467904b38f3f983d713
ripemd-160
b2f55f2e1c6337b885f2fc8237a67c13f75022d0
Diameter
39922978
Circumference
125421734.39423
Area
1.2518022857356E+15
Volume
3.3317116742516E+22
Surface area
5.0072091429426E+15
Circumference
125421734.39423
Perimeter
79845956
Area
398461043097121
Diagonal
28229808.468961
Surface area
2390766258582726
Volume
7.9538757287117E+21
Space diagonal
34574313.142727
Perimeter
59884467
Area
1.7253869287028E+14
Altitude
17287156.571364
Surface area
1.7253869287028E+14
Volume
9.3737324408119E+20
Height
9409936.1563205