1990644847 is an odd 10-digits composite number following 1990644846
and preceding 1990644848 . In scientific notation, it is written as 1.990644847 × 10^9.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 1971318096 positive integers (up to 1990644847) that are relatively prime to 1990644847.
1990644847 has 4 divisors, whose sum is 2009971600
The reverse of 1990644847 is 7484460991
Previous prime number is 103
Is Prime? no Number parity odd Number length 10 Sum of Digits 52 Digital Root 7
Name
one billion nine hundred ninety million six hundred forty-four thousand eight hundred forty-seven
Scientific notation
1.990644847 × 10^9
Engineering notation
1.990644847 × 10^9
Prime Factorization
103 × 19326649
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
1990644847 Product of the distinct prime numbers
The prime factorization of 1990644847 is 103 × 19326649.
Since it has a total of 2 prime factors.
7 , 1 , 37 , 44 , 931 , 25 , 5543 , 5738 , 13475 , 351 , 286841 , 384004 , 4700513 , 7851143 , 55417093 , 9127273 , 651608069 , 194714291 , 1258619451 , 448713658
n×2
3981289694
n×3
5971934541
n×4
7962579388
n×5
9953224235
n÷2
995322423.5
n÷3
663548282.33333
n÷3
497661211.75
n÷5
398128969.4
n2
3962666906887653409
n3
7.8882624585733E+27
n4
1.5702729014943E+37
n5
3.1258556597433E+46
2 √n44616.643161493
3 √n1257.9535199096
4 √n211.22652097095
5 √n72.410034900281
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1990644846 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990644847 can be divided by 4 positive divisors.
The sum of these divisors (counting 1990644847) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110101001101101010001101111
3
Ternary
12010201202020100221
4
Quaternary
1312221231101233
5
Quinary
13034101113342
6
Senary
525310232211
8
Octal
16651552157
10
Decimal
1990644847
12
Duodecimal
4767b5667
16
Hexadecimal
76a6d46f
20
Vigesimal
1b21ac27
36
Base36
wx6fe7
md5
9fc8a3469f6617d11ed3e765d6dbd00d
sha1
9e79e0e16b4d7455680b5272f3208689b9d35ad1
sha256
6664973142bacde4fa99da998682ba3568623fd05f858df77584db1b41c2cd6b
sha512
eb977bcd266ef18c8aaa9a00b8c6dd829c095a64ff10d0f69f59decf1b3060e9aca34f1a8ecea187bbac842e0b3b10cc6bc33e385f7dddff4a0b70f292d1886f
ripemd-160
7262f4546d5d076812015a062647e7c59a9e1777
Diameter
3981289694
Circumference
12507590454.483
Area
1.2449085243302E+19
Volume
3.3042276519256E+28
Surface area
4.9796340973207E+19
Circumference
12507590454.483
Perimeter
7962579388
Area
3962666906887653409
Diagonal
2815196940.4955
Surface area
2.3776001441326E+19
Volume
7.8882624585733E+27
Space diagonal
3447898014.8292
Perimeter
5971934541
Area
1.7158851040503E+18
Altitude
1723949007.4146
Surface area
1.7158851040503E+18
Volume
9.2964064603941E+26
Height
938398980.16517