19981372 is an even 8-digits composite number following 19981371
and preceding 19981373 . In scientific notation, it is written as 1.9981372 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 9953280 positive integers (up to 19981372) that are relatively prime to 19981372.
19981372 has 12 divisors, whose sum is 35098336
The reverse of 19981372 is 27318991
Previous prime number is 271
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
nineteen million nine hundred eighty-one thousand three hundred seventy-two
Scientific notation
1.9981372 × 10^7
Engineering notation
1.9981372 × 10^6
Prime Factorization
2 × 2 × 271 × 18433
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9990686
Product of the distinct prime numbers
The prime factorization of 19981372 is 2 × 2 × 271 × 18433.
Since it has a total of 4 prime factors.
3 , 6 , 13 , 6 , 145 , 971 , 7188 , 4856 , 46356 , 14228 , 637350 , 164443 , 9444121 , 641271 , 70610820 , 71892643 , 82455875 , 511663318 , 3098177188 , 2541029370
n×2
39962744
n×3
59944116
n×4
79925488
n×5
99906860
n÷2
9990686
n÷3
6660457.3333333
n÷3
4995343
n÷5
3996274.4
n2
399255227002384
n3
7.9776672136791E+21
n4
1.5940473628873E+29
n5
3.1851253343469E+36
2 √n
4470.0527961088
3 √n
271.35746186286
4 √n
66.858453437907
5 √n
28.848621191774
1 , 2 , 4 , 271 , 542 , 1084 , 18433 , 36866 , 73732 , 4995343 , 9990686 , 19981372
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
-19981371
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 19981372 can be divided by 12 positive divisors.
The sum of these divisors (counting 19981372) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100001110010000111100
3
Ternary
1101121011021211
4
Quaternary
1030032100330
5
Quinary
20103400442
6
Senary
1552134204
8
Octal
114162074
10
Decimal
19981372
12
Duodecimal
6837364
16
Hexadecimal
130e43c
20
Vigesimal
64hd8c
36
Base36
bw9q4
md5
d3679e3b45c558d8e5b0f04e5efacdf1
sha1
b979312df8422b617819c26e02211dcfa6012aa3
sha256
731d00dafeba1334d6e6476efe25945ab6a3caec762d65ca50d3da1d9923b462
sha512
d790050e1be4d9e3c842f2a6f4207936349711eca44e7dc3f36ff13d9751099fc67cc1858b57346eba460c2274c28904732cabf5d11bbae32b00b68ae55c42bb
ripemd-160
c131b386f3270cfaa1d2712ae10f86b7609f370a
Diameter
39962744
Circumference
125546662.96769
Area
1.254297288058E+15
Volume
3.3416774281704E+22
Surface area
5.0171891522321E+15
Circumference
125546662.96769
Perimeter
79925488
Area
399255227002384
Diagonal
28257927.277222
Surface area
2395531362014304
Volume
7.9776672136791E+21
Space diagonal
34608751.508934
Perimeter
59944116
Area
1.7288258458889E+14
Altitude
17304375.754467
Surface area
1.7288258458889E+14
Volume
9.4017709747368E+20
Height
9419309.0924073