1990386965 is an odd 10-digits composite number following 1990386964
and preceding 1990386966 . In scientific notation, it is written as 1.990386965 × 10^9.
The sum of its digits is 56. It has a total of 4 prime factors and 16 positive divisors.
There are 1363815360 positive integers (up to 1990386965) that are relatively prime to 1990386965.
1990386965 has 16 divisors, whose sum is 2731716480
The reverse of 1990386965 is 5696830991
Previous prime number is 1381
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 56
Digital Root 2
Name
one billion nine hundred ninety million three hundred eighty-six thousand nine hundred sixty-five
Scientific notation
1.990386965 × 10^9
Engineering notation
1.990386965 × 10^9
Prime Factorization
5 × 7 × 1381 × 41179
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1990386965
Product of the distinct prime numbers
The prime factorization of 1990386965 is 5 × 7 × 1381 × 41179.
Since it has a total of 4 prime factors.
5 , 5 , 18 , 61 , 317 , 127 , 8544 , 4150 , 93648 , 28196 , 769218 , 171721 , 2693816 , 3036559 , 59850965 , 10418001 , 748872779 , 573545148 , 5998992765 , 1249721808
n×2
3980773930
n×3
5971160895
n×4
7961547860
n×5
9951934825
n÷2
995193482.5
n÷3
663462321.66667
n÷3
497596741.25
n÷5
398077393
n2
3961640270441911225
n3
7.8851971543067E+27
n4
1.5694593632387E+37
n5
3.1238314586875E+46
2 √n
44613.753092516
3 √n
1257.8991962098
4 √n
211.21967969987
5 √n
72.408158702992
1 , 5 , 7 , 35 , 1381 , 6905 , 9667 , 41179 , 48335 , 205895 , 288253 , 1441265 , 56868199 , 284340995 , 398077393 , 1990386965
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
-1990386964
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 1990386965 can be divided by 16 positive divisors.
The sum of these divisors (counting 1990386965) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110101000101110010100010101
3
Ternary
12010201021010121202
4
Quaternary
1312220232110111
5
Quinary
13034014340330
6
Senary
525300522245
8
Octal
16650562425
10
Decimal
1990386965
12
Duodecimal
4766b0385
16
Hexadecimal
76a2e515
20
Vigesimal
1b1ji785
36
Base36
wx0wet
md5
004127d563a75dc2c59941efd47c7114
sha1
7f2d65af7294664fa030929d36f55f9717ae2f3b
sha256
24036352ee1e7bfb43d81dc701827813d2966d00e8b992e45e66c45e3f68f45f
sha512
23b1f4f7ccaae5266b1f30759e6020ba7cc1982c7091b339e5c4db452b2578d489bda57b9eb83a35e9b9203ffef21d73ebc6374cb3a5083f7aead97a101e73af
ripemd-160
0fe26fbfa2a4488f5aafa7a28686e642addc851a
Diameter
3980773930
Circumference
12505970134.09
Area
1.2445859969786E+19
Volume
3.3029436602769E+28
Surface area
4.9783439879143E+19
Circumference
12505970134.09
Perimeter
7961547860
Area
3961640270441911225
Diagonal
2814832240.2736
Surface area
2.3769841622651E+19
Volume
7.8851971543067E+27
Space diagonal
3447451350.1028
Perimeter
5971160895
Area
1.7154405574291E+18
Altitude
1723725675.0514
Surface area
1.7154405574291E+18
Volume
9.2927939646718E+26
Height
938277413.42454