19902920 is an even 8-digits composite number following 19902919
and preceding 19902921 . In scientific notation, it is written as 1.9902920 × 10^7.
The sum of its digits is 32. It has a total of 6 prime factors and 32 positive divisors.
There are 7492608 positive integers (up to 19902920) that are relatively prime to 19902920.
19902920 has 32 divisors, whose sum is 47417400
The reverse of 19902920 is 02920991
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
nineteen million nine hundred two thousand nine hundred twenty
Scientific notation
1.9902920 × 10^7
Engineering notation
1.9902920 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 17 × 29269
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
4975730
Product of the distinct prime numbers
The prime factorization of 19902920 is 2 × 2 × 2 × 5 × 17 × 29269.
Since it has a total of 6 prime factors.
5 , 2 , 7 , 93 , 327 , 726 , 9800 , 3776 , 37606 , 35575 , 614565 , 638391 , 3653576 , 367744 , 50761230 , 7055765 , 534357722 , 19741919 , 9032521307 , 2015602328
n×2
39805840
n×3
59708760
n×4
79611680
n×5
99514600
n÷2
9951460
n÷3
6634306.6666667
n÷3
4975730
n÷5
3980584
n2
396126224526400
n3
7.884068556651E+21
n4
1.5691598575754E+29
n5
3.1230863112535E+36
2 √n
4461.268877797
3 √n
271.00185635271
4 √n
66.792730725708
5 √n
28.825932110781
1 , 2 , 4 , 5 , 8 , 10 , 17 , 20 , 34 , 40 , 68 , 85 , 136 , 170 , 340 , 680 , 29269 , 58538 , 117076 , 146345 , 234152 , 292690 , 497573 , 585380 , 995146 , 1170760 , 1990292 , 2487865 , 3980584 , 4975730 , 9951460 , 19902920
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19902919
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19902920 can be divided by 32 positive divisors.
The sum of these divisors (counting 19902920) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001011111011000111001000
3
Ternary
1101110011200012
4
Quaternary
1023323013020
5
Quinary
20043343140
6
Senary
1550331052
8
Octal
113730710
10
Decimal
19902920
12
Duodecimal
67b9a88
16
Hexadecimal
12fb1c8
20
Vigesimal
647h60
36
Base36
bul6w
md5
0bd58fc18c737ae573f4bc4e012356d1
sha1
968221e0ae4a6eb59f82e65d0778d3d304487296
sha256
888800bc356a8734770750b6235bd544ebe376ffe3c1ad62032922867c6dfc8a
sha512
d57c00812f504e9017c0be3727242554a6153e2af5e210b864cc857781ed7dae92d7f41280c6e3da696cae00e8cf5ca06bfb023d56387cd9c4d558c5a81af60f
ripemd-160
71d82ee3c4b01068eb4364aa73beb1800b81e14e
Diameter
39805840
Circumference
125053734.51397
Area
1.2444672368664E+15
Volume
3.3024709143964E+22
Surface area
4.9778689474656E+15
Circumference
125053734.51397
Perimeter
79611680
Area
396126224526400
Diagonal
28146979.394827
Surface area
2376757347158400
Volume
7.884068556651E+21
Space diagonal
34472868.658979
Perimeter
59708760
Area
1.7152768677254E+14
Altitude
17236434.329489
Surface area
1.7152768677254E+14
Volume
9.2914638995792E+20
Height
9382326.4649422