990805845 is an odd 9-digits composite number following 990805844
and preceding 990805846 . In scientific notation, it is written as 9.90805845 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 505454400 positive integers (up to 990805845) that are relatively prime to 990805845.
990805845 has 16 divisors, whose sum is 1654215552
The reverse of 990805845 is 548508099
Previous prime number is 23
Is Prime? no Number parity odd Number length 9 Sum of Digits 48 Digital Root 3
Name
nine hundred ninety million eight hundred five thousand eight hundred forty-five
Scientific notation
9.90805845 × 10^8
Engineering notation
9.90805845 × 10^6
Prime Factorization
3 × 5 × 23 × 2871901
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
990805845 Product of the distinct prime numbers
The prime factorization of 990805845 is 3 × 5 × 23 × 2871901.
Since it has a total of 4 prime factors.
4 , 7 , 82 , 86 , 375 , 728 , 7551 , 3075 , 72006 , 29767 , 757736 , 902387 , 4730323 , 9862948 , 83618805 , 70265753 , 905139831 , 609717974 , 7237749820 , 8865168198
n×2
1981611690
n×3
2972417535
n×4
3963223380
n×5
4954029225
n÷2
495402922.5
n÷3
330268615
n÷3
247701461.25
n÷5
198161169
n2
981696222486164025
n3
9.7267035525371E+26
n4
9.637274732436E+35
n5
9.5486681347684E+44
2 √n31477.06855792
3 √n996.92584089654
4 √n177.41777971196
5 √n62.97928299531
1 , 3 , 5 , 15 , 23 , 69 , 115 , 345 , 2871901 , 8615703 , 14359505 , 43078515 , 66053723 , 198161169 , 330268615 , 990805845
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-990805844 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 990805845 can be divided by 16 positive divisors.
The sum of these divisors (counting 990805845) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111011000011100111111101010101
3
Ternary
2120001101011002210
4
Quaternary
323003213331111
5
Quinary
4012121241340
6
Senary
242152224033
8
Octal
7303477525
10
Decimal
990805845
12
Duodecimal
23799b019
16
Hexadecimal
3b0e7f55
20
Vigesimal
f9caec5
36
Base36
gdweol
md5
a277d223514b065c1229287efe98159c
sha1
8e28fe8f3c5554ae7260fa5664723587f2a918c5
sha256
627d2d764b7b88248326bb27aa9daa53c3b5c8017212e43079c9920ab6d7ccb6
sha512
cadc18869e519c1b6525fdd3588960b53815f0ace47304371d8c9c5f24d271bf4ebf2b14555d06f4a4cd31e1c80d1d5d2a1d6941506e68f59a61a210ef7cd79c
ripemd-160
e483c8ebbe0559fc4f26403d7af8a01dff88c364
Diameter
1981611690
Circumference
6225416727.5717
Area
3.0840896406194E+18
Volume
4.0743120565728E+27
Surface area
1.2336358562478E+19
Circumference
6225416727.5717
Perimeter
3963223380
Area
981696222486164025
Diagonal
1401211063.6775
Surface area
5890177334916984150
Volume
9.7267035525371E+26
Space diagonal
1716126063.9762
Perimeter
2972417535
Area
4.2508693373612E+17
Altitude
858063031.98811
Surface area
4.2508693373612E+17
Volume
1.146303006765E+26
Height
467070354.55918