19997445 is an odd 8-digits composite number following 19997444
and preceding 19997446 . In scientific notation, it is written as 1.9997445 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 9844800 positive integers (up to 19997445) that are relatively prime to 19997445.
19997445 has 16 divisors, whose sum is 34457472
The reverse of 19997445 is 54479991
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
nineteen million nine hundred ninety-seven thousand four hundred forty-five
Scientific notation
1.9997445 × 10^7
Engineering notation
1.9997445 × 10^6
Prime Factorization
13 × 5 × 3 × 102551
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19997445
Product of the distinct prime numbers
The prime factorization of 19997445 is 13 × 5 × 3 × 102551.
Since it has a total of 4 prime factors.
9 , 9 , 30 , 64 , 647 , 264 , 1624 , 2261 , 5996 , 77635 , 28385 , 100564 , 908823 , 41188 , 37566788 , 93364781 , 705153752 , 74575152 , 7958893388 , 942146818
n×2
39994890
n×3
59992335
n×4
79989780
n×5
99987225
n÷2
9998722.5
n÷3
6665815
n÷3
4999361.25
n÷5
3999489
n2
399897806528025
n3
7.9969343916648E+21
n4
1.5991825566593E+29
n5
3.1979565221753E+36
2 √n
4471.8502881917
3 √n
271.43020227222
4 √n
66.871894605968
5 √n
28.853260860818
1 , 3 , 5 , 13 , 15 , 39 , 65 , 195 , 102551 , 307653 , 512755 , 1333163 , 1538265 , 3999489 , 6665815 , 19997445
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19997444
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19997445 can be divided by 16 positive divisors.
The sum of these divisors (counting 19997445) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100010010001100000101
3
Ternary
1101121222100010
4
Quaternary
1030102030011
5
Quinary
20104404240
6
Senary
1552340433
8
Octal
114221405
10
Decimal
19997445
12
Duodecimal
6844719
16
Hexadecimal
1312305
20
Vigesimal
64jdc5
36
Base36
bwm4l
md5
3d82a3276cdec1a8692f8e4596e65ca8
sha1
a56730224441629f6a1163ef334fa232fb979a1d
sha256
c44e1527d1a9168d2f8586f41dc4568560b224e775b9020c08cb1090e5fef2ec
sha512
14f811b7db3d79a15bd8df24b9209092bc13f59d90ac1a32277929d2ad98574beedca74db75f5ea96c506013e9b5048002587592363c62b30fe201067c259bb1
ripemd-160
d03e925414caa7c96b07e7f0d5edfb43e3451e0d
Diameter
39994890
Circumference
125647652.60513
Area
1.2563160111751E+15
Volume
3.3497480448125E+22
Surface area
5.0252640447005E+15
Circumference
125647652.60513
Perimeter
79989780
Area
399897806528025
Diagonal
28280657.93181
Surface area
2399386839168150
Volume
7.9969343916648E+21
Space diagonal
34636590.761564
Perimeter
59992335
Area
1.7316082968547E+14
Altitude
17318295.380782
Surface area
1.7316082968547E+14
Volume
9.4244775617502E+20
Height
9426885.97727