1990644941 is an odd 10-digits composite number following 1990644940
and preceding 1990644942 . In scientific notation, it is written as 1.990644941 × 10^9.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 1917873328 positive integers (up to 1990644941) that are relatively prime to 1990644941.
1990644941 has 8 divisors, whose sum is 2063711520
The reverse of 1990644941 is 1494460991
Previous prime number is 467
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 47
Digital Root 2
Name
one billion nine hundred ninety million six hundred forty-four thousand nine hundred forty-one
Scientific notation
1.990644941 × 10^9
Engineering notation
1.990644941 × 10^9
Prime Factorization
29 × 467 × 146987
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1990644941
Product of the distinct prime numbers
The prime factorization of 1990644941 is 29 × 467 × 146987.
Since it has a total of 3 prime factors.
7 , 9 , 18 , 92 , 616 , 583 , 1492 , 2442 , 30822 , 23870 , 719579 , 877190 , 1754828 , 3687307 , 97558168 , 72914853 , 226174186 , 306908844 , 7965485379 , 7695180758
n×2
3981289882
n×3
5971934823
n×4
7962579764
n×5
9953224705
n÷2
995322470.5
n÷3
663548313.66667
n÷3
497661235.25
n÷5
398128988.2
n2
3962667281128893481
n3
7.8882635760455E+27
n4
1.5702731980929E+37
n5
3.1258563977716E+46
2 √n
44616.644214912
3 √n
1257.9535397102
4 √n
211.22652346453
5 √n
72.410035584134
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1990644940
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990644941 can be divided by 8 positive divisors.
The sum of these divisors (counting 1990644941) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101001101101010011001101
3
Ternary
12010201202020111102
4
Quaternary
1312221231103031
5
Quinary
13034101114231
6
Senary
525310232445
8
Octal
16651552315
10
Decimal
1990644941
12
Duodecimal
4767b5725
16
Hexadecimal
76a6d4cd
20
Vigesimal
1b21ac71
36
Base36
wx6fgt
md5
3cc9166e9abf9814765ec9d0d37ad19c
sha1
649ca3499031eb655e4267a94a20e2c118015604
sha256
4dfc9e76fd58f9683987ca63def3af258dfdfcbccbb61a278ec00642729f3ec1
sha512
d59e97ded83aad0285305c8e9a3dab93ff0bf9002d531023dc4293fb31dee609f8390fa1072ad00539f7e0579acb7ad3f48b2b62d9aa6fbc375163ab2c54bb7d
ripemd-160
940f2613a5455a512b60bf2851fc1c3057687e45
Diameter
3981289882
Circumference
12507591045.103
Area
1.2449086419015E+19
Volume
3.3042281200112E+28
Surface area
4.9796345676061E+19
Circumference
12507591045.103
Perimeter
7962579764
Area
3962667281128893481
Diagonal
2815197073.4316
Surface area
2.3776003686773E+19
Volume
7.8882635760455E+27
Space diagonal
3447898177.642
Perimeter
5971934823
Area
1.7158852661015E+18
Altitude
1723949088.821
Surface area
1.7158852661015E+18
Volume
9.2964077773476E+26
Height
938399024.4772