1990492897 is an odd 10-digits prime number following 1990492896
and preceding 1990492898 . In scientific notation, it is written as 1.990492897 × 10^9.
The sum of its digits is 58. It has a total of 1 prime factors and 2 positive divisors.
There are 1990492896 positive integers (up to 1990492897) that are relatively prime to 1990492897.
1990492897 has 2 divisors, whose sum is 1990492898
The reverse of 1990492897 is 7982940991
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 58
Digital Root 4
Name
one billion nine hundred ninety million four hundred ninety-two thousand eight hundred ninety-seven
Scientific notation
1.990492897 × 10^9
Engineering notation
1.990492897 × 10^9
Prime Factorization
1990492897
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1990492897
Product of the distinct prime numbers
The prime factorization of 1990492897 is 1990492897.
Since it has a total of 1 prime factors.
8 , 2 , 23 , 43 , 552 , 225 , 4622 , 1663 , 48757 , 19904 , 552577 , 56159 , 9674144 , 8250016 , 68773153 , 26372152 , 768745164 , 349679673 , 3279854324 , 525785447
n×2
3980985794
n×3
5971478691
n×4
7961971588
n×5
9952464485
n÷2
995246448.5
n÷3
663497632.33333
n÷3
497623224.25
n÷5
398098579.4
n2
3962061973007452609
n3
7.8864562147451E+27
n4
1.5697935077952E+37
n5
3.124662827023E+46
2 √n
44614.9402891
3 √n
1257.9215117053
4 √n
211.22249001728
5 √n
72.40892942526
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1990492898
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
995246449
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
44614.940300307
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 1990492897 can be divided by 2 positive divisors.
The sum of these divisors (counting 1990492897) is 1990492898, the average is 995246449.
Base
System
Value
2
Binary
1110110101001001000001011100001
3
Ternary
12010201110111221011
4
Quaternary
1312221020023201
5
Quinary
13034031233042
6
Senary
525303100521
8
Octal
16651101341
10
Decimal
1990492897
12
Duodecimal
476741741
16
Hexadecimal
76a482e1
20
Vigesimal
1b20bc4h
36
Base36
wx365d
md5
f31d1b7cede658b98ff076fb2fe83a79
sha1
f4899443273bc839c70451693c6987ecc442cf95
sha256
38506c22deb130f5e3c0fcc8e5069ad912a959a4646ec844ccdd001b9640fb5d
sha512
0353362ba0f65f4538739291fd07583ee30b64c91308391f6016edf418ec0bc940d0c28d5180eb19fe78fafa2639df088b4ed9b24441ae7ccaf638913da0a325
ripemd-160
642e3c288a8a29242b1643fb693bb8b8bae98367
Diameter
3980985794
Circumference
12506635724.476
Area
1.2447184787468E+19
Volume
3.3034710542801E+28
Surface area
4.9788739149871E+19
Circumference
12506635724.476
Perimeter
7961971588
Area
3962061973007452609
Diagonal
2814982050.7447
Surface area
2.3772371838045E+19
Volume
7.8864562147451E+27
Space diagonal
3447634829.709
Perimeter
5971478691
Area
1.7156231599964E+18
Altitude
1723817414.8545
Surface area
1.7156231599964E+18
Volume
9.2942777816285E+26
Height
938327350.24824