19961644 is an even 8-digits composite number following 19961643
and preceding 19961645 . In scientific notation, it is written as 1.9961644 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 9658800 positive integers (up to 19961644) that are relatively prime to 19961644.
19961644 has 12 divisors, whose sum is 36059968
The reverse of 19961644 is 44616991
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
nineteen million nine hundred sixty-one thousand six hundred forty-four
Scientific notation
1.9961644 × 10^7
Engineering notation
1.9961644 × 10^6
Prime Factorization
2 × 2 × 31 × 160981
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9980822
Product of the distinct prime numbers
The prime factorization of 19961644 is 2 × 2 × 31 × 160981.
Since it has a total of 4 prime factors.
9 , 9 , 35 , 58 , 817 , 930 , 4792 , 8137 , 78531 , 72437 , 181123 , 962350 , 1393501 , 8210237 , 90905375 , 11847910 , 236480682 , 135647041 , 2881699380 , 6290701246
n×2
39923288
n×3
59884932
n×4
79846576
n×5
99808220
n÷2
9980822
n÷3
6653881.3333333
n÷3
4990411
n÷5
3992328.8
n2
398467231182736
n3
7.9540610145355E+21
n4
1.5877613432644E+29
n5
3.1694326691205E+36
2 √n
4467.845565818
3 √n
271.26812694308
4 √n
66.841944659159
5 √n
28.842922378943
1 , 2 , 4 , 31 , 62 , 124 , 160981 , 321962 , 643924 , 4990411 , 9980822 , 19961644
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
-19961643
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 19961644 can be divided by 12 positive divisors.
The sum of these divisors (counting 19961644) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100001001011100101100
3
Ternary
1101120011020011
4
Quaternary
1030021130230
5
Quinary
20102233034
6
Senary
1551503004
8
Octal
114113454
10
Decimal
19961644
12
Duodecimal
6827a64
16
Hexadecimal
130972c
20
Vigesimal
64f424
36
Base36
bvui4
md5
3149ca74bd4a27b057820532aca97cc6
sha1
158bfd474f9aa88f59d09e11401df4199039fc10
sha256
5013878975ac6e0adb33244fcbe72527990551c3064d3de77238f2155077b591
sha512
6c868637bcd5aa8b81cdedc8d30a7ea0b18a46982f99ebdba37ee4495b4a5ad19c79b08c11dd3cf3478a720393fe58ea666e3e12d9f6cc6b5c9edc8bdf7a0d42
ripemd-160
807fe50480853989c2a4744cddf4c63e8ab951df
Diameter
39923288
Circumference
125422708.28795
Area
1.2518217261799E+15
Volume
3.3317892865959E+22
Surface area
5.0072869047198E+15
Circumference
125422708.28795
Perimeter
79846576
Area
398467231182736
Diagonal
28230027.672064
Surface area
2390803387096416
Volume
7.9540610145355E+21
Space diagonal
34574581.610602
Perimeter
59884932
Area
1.7254137238995E+14
Altitude
17287290.805301
Surface area
1.7254137238995E+14
Volume
9.3739508022493E+20
Height
9410009.2240212