1991236020 is an even 10-digits composite number following 1991236019
and preceding 1991236021 . In scientific notation, it is written as 1.991236020 × 10^9.
The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors.
There are 513866880 positive integers (up to 1991236020) that are relatively prime to 1991236020.
1991236020 has 24 divisors, whose sum is 3836879872
The reverse of 1991236020 is 0206321991
Previous prime number is 31
Is Prime? no
Number parity even
Number length 10
Sum of Digits 33
Digital Root 6
Name
one billion nine hundred ninety-one million two hundred thirty-six thousand twenty
Scientific notation
1.991236020 × 10^9
Engineering notation
1.991236020 × 10^9
Prime Factorization
2 × 2 × 15 × 31 × 1070557
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
995618010
Product of the distinct prime numbers
The prime factorization of 1991236020 is 2 × 2 × 15 × 31 × 1070557.
Since it has a total of 5 prime factors.
1 , 2 , 60 , 42 , 900 , 324 , 5388 , 4573 , 92692 , 80903 , 115880 , 635644 , 3803972 , 7565626 , 13280888 , 63955362 , 892919014 , 886738647 , 6690396182 , 5921666866
n×2
3982472040
n×3
5973708060
n×4
7964944080
n×5
9956180100
n÷2
995618010
n÷3
663745340
n÷3
497809005
n÷5
398247204
n2
3965020887345440400
n3
7.8952924109346E+27
n4
1.5721390637086E+37
n5
3.1304999321056E+46
2 √n
44623.267697469
3 √n
1258.0780347626
4 √n
211.24220150687
5 √n
72.41433519257
1 , 2 , 4 , 15 , 30 , 31 , 60 , 62 , 124 , 465 , 930 , 1860 , 1070557 , 2141114 , 4282228 , 16058355 , 32116710 , 33187267 , 64233420 , 66374534 , 132749068 , 497809005 , 995618010 , 1991236020
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
-1991236019
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 1991236020 can be divided by 24 positive divisors.
The sum of these divisors (counting 1991236020) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110110101011111101100110110100
3
Ternary
12010202212021022020
4
Quaternary
1312223331212310
5
Quinary
13034224023040
6
Senary
525331033140
8
Octal
16653754664
10
Decimal
1991236020
12
Duodecimal
476a3b7b0
16
Hexadecimal
76afd9b4
20
Vigesimal
1b254a10
36
Base36
wxj3jo
md5
f19195e7266d55eb813868b1b30c789b
sha1
19f83f37534204a1ab8c1078c54fb278c1201638
sha256
cf01c07c69ff89afcd31e6fce5c7a2019d2fa4d49ed9cd7a4f656e32f4a581ad
sha512
5990dcf8d3672bfe02f94c9ff37440bad91472b57f72825b292a145d3ee6ae3af509342087e0353c944cf5bb3ea4a3afee7f00631d9df7f5741e1a44bce709a4
ripemd-160
d925e3756bc79bddf60bd85359ce879854774f66
Diameter
3982472040
Circumference
12511304903.991
Area
1.2456480491015E+19
Volume
3.3071723514847E+28
Surface area
4.9825921964058E+19
Circumference
12511304903.991
Perimeter
7964944080
Area
3965020887345440400
Diagonal
2816032985.3698
Surface area
2.3790125324073E+19
Volume
7.8952924109346E+27
Space diagonal
3448921956.5012
Perimeter
5973708060
Area
1.7169044074885E+18
Altitude
1724460978.2506
Surface area
1.7169044074885E+18
Volume
9.3046913387042E+26
Height
938677661.78994