1990361491 is an odd 10-digits prime number following 1990361490
and preceding 1990361492 . In scientific notation, it is written as 1.990361491 × 10^9.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 1990361490 positive integers (up to 1990361491) that are relatively prime to 1990361491.
1990361491 has 2 divisors, whose sum is 1990361492
The reverse of 1990361491 is 1941630991
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 43
Digital Root 7
Name
one billion nine hundred ninety million three hundred sixty-one thousand four hundred ninety-one
Scientific notation
1.990361491 × 10^9
Engineering notation
1.990361491 × 10^9
Prime Factorization
1990361491
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1990361491
Product of the distinct prime numbers
The prime factorization of 1990361491 is 1990361491.
Since it has a total of 1 prime factors.
3 , 1 , 40 , 21 , 946 , 45 , 2057 , 5029 , 666 , 18173 , 971702 , 257243 , 470452 , 7155791 , 76580950 , 40633923 , 324577312 , 451931227 , 1052025175 , 9088194877
n×2
3980722982
n×3
5971084473
n×4
7961445964
n×5
9951807455
n÷2
995180745.5
n÷3
663453830.33333
n÷3
497590372.75
n÷5
398072298.2
n2
3961538864855743081
n3
7.8848944017087E+27
n4
1.5693790177763E+37
n5
3.1236315617653E+46
2 √n
44613.46759668
3 √n
1257.8938297725
4 √n
211.219003872
5 √n
72.407973358644
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1990361492
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
995180746
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
44613.467607887
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999989952
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990361491 can be divided by 2 positive divisors.
The sum of these divisors (counting 1990361491) is 1990361492, the average is 995180746.
Base
System
Value
2
Binary
1110110101000101000000110010011
3
Ternary
12010201012211200021
4
Quaternary
1312220220012103
5
Quinary
13034013031431
6
Senary
525300204311
8
Octal
16650500623
10
Decimal
1990361491
12
Duodecimal
476699697
16
Hexadecimal
76a28193
20
Vigesimal
1b1jf3eb
36
Base36
wx0cr7
md5
f05324993f6780d4312db7827f817ebf
sha1
ca2eb1893d5ebd48e825af3188f5826da3510410
sha256
3af09eafd727cd18943662cfcff97edffb90c1e2663b6ecac97a729dc1d21c92
sha512
c0fff09e4dd4dce50114ef0dd567aee31292893c9f414ff6f74ed4a673f5c58355ed58d8f759f1938b38db41acfd7883d1652e453434d7b48ca5c687ac20001a
ripemd-160
5c9cdaffb433baddd2fafd8f49f03d1889634f4d
Diameter
3980722982
Circumference
12505810076.227
Area
1.2445541394741E+19
Volume
3.3028168435653E+28
Surface area
4.9782165578965E+19
Circumference
12505810076.227
Perimeter
7961445964
Area
3961538864855743081
Diagonal
2814796214.5973
Surface area
2.3769233189134E+19
Volume
7.8848944017087E+27
Space diagonal
3447407227.8405
Perimeter
5971084473
Area
1.7153966475222E+18
Altitude
1723703613.9203
Surface area
1.7153966475222E+18
Volume
9.2924371673135E+26
Height
938265404.86578