19902972 is an even 8-digits composite number following 19902971
and preceding 19902973 . In scientific notation, it is written as 1.9902972 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 6624000 positive integers (up to 19902972) that are relatively prime to 19902972.
19902972 has 24 divisors, whose sum is 46512592
The reverse of 19902972 is 27920991
Previous prime number is 1201
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
nineteen million nine hundred two thousand nine hundred seventy-two
Scientific notation
1.9902972 × 10^7
Engineering notation
1.9902972 × 10^6
Prime Factorization
2 × 2 × 3 × 1201 × 1381
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9951486
Product of the distinct prime numbers
The prime factorization of 19902972 is 2 × 2 × 3 × 1201 × 1381.
Since it has a total of 5 prime factors.
1 , 6 , 49 , 37 , 458 , 764 , 4781 , 7473 , 98605 , 63277 , 595130 , 54107 , 7673679 , 4150072 , 85657268 , 8064107 , 962635758 , 620171517 , 2673189990 , 2151426878
n×2
39805944
n×3
59708916
n×4
79611888
n×5
99514860
n÷2
9951486
n÷3
6634324
n÷3
4975743
n÷5
3980594.4
n2
396128294432784
n3
7.8841303525035E+21
n4
1.5691762565023E+29
n5
3.1231271096229E+36
2 √n
4461.2747057315
3 √n
271.00209236639
4 √n
66.792774352706
5 √n
28.825947173364
1 , 2 , 3 , 4 , 6 , 12 , 1201 , 1381 , 2402 , 2762 , 3603 , 4143 , 4804 , 5524 , 7206 , 8286 , 14412 , 16572 , 1658581 , 3317162 , 4975743 , 6634324 , 9951486 , 19902972
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19902971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19902972 can be divided by 24 positive divisors.
The sum of these divisors (counting 19902972) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001011111011000111111100
3
Ternary
1101110011202010
4
Quaternary
1023323013330
5
Quinary
20043343342
6
Senary
1550331220
8
Octal
113730774
10
Decimal
19902972
12
Duodecimal
67b9b10
16
Hexadecimal
12fb1fc
20
Vigesimal
647h8c
36
Base36
bul8c
md5
b706edd261f2d31a6bdd251b1f37cebf
sha1
5b52fde61643d1617ca4808663661348a0edcbac
sha256
24d18b31f86a47e19db5d1af399565284b44d2bdd316a51fce5a121e18948f75
sha512
b23781d36901d4a685dfb6b0ef15c4dd76d5047edc39e6a09ea40c8a55b6b5325936d0ff5de2ffe43ca6adc314e8fcebdd898514509f57b8a3ca33a2bfc86be6
ripemd-160
8b910c304dbcc8b30797ef23981d3c8ec2b322d8
Diameter
39805944
Circumference
125054061.23961
Area
1.2444737396691E+15
Volume
3.3024967993826E+22
Surface area
4.9778949586764E+15
Circumference
125054061.23961
Perimeter
79611888
Area
396128294432784
Diagonal
28147052.933932
Surface area
2376769766596704
Volume
7.8841303525035E+21
Space diagonal
34472958.725621
Perimeter
59708916
Area
1.715285830683E+14
Altitude
17236479.36281
Surface area
1.715285830683E+14
Volume
9.2915367266898E+20
Height
9382350.9779773