1990279949 is an odd 10-digits composite number following 1990279948
and preceding 1990279950 . In scientific notation, it is written as 1.990279949 × 10^9.
The sum of its digits is 59. It has a total of 3 prime factors and 8 positive divisors.
There are 1650923280 positive integers (up to 1990279949) that are relatively prime to 1990279949.
1990279949 has 8 divisors, whose sum is 2347980288
The reverse of 1990279949 is 9499720991
Previous prime number is 31
Is Prime? no Number parity odd Number length 10 Sum of Digits 59 Digital Root 5
Name
one billion nine hundred ninety million two hundred seventy-nine thousand nine hundred forty-nine
Scientific notation
1.990279949 × 10^9
Engineering notation
1.990279949 × 10^9
Prime Factorization
7 × 31 × 9171797
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1990279949 Product of the distinct prime numbers
The prime factorization of 1990279949 is 7 × 31 × 9171797.
Since it has a total of 3 prime factors.
7 , 10 , 60 , 67 , 537 , 227 , 5499 , 9593 , 3993 , 81994 , 668375 , 839120 , 8011878 , 4734570 , 1506959 , 24814309 , 751848237 , 900842225 , 3672597632 , 2109101268
n×2
3980559898
n×3
5970839847
n×4
7961119796
n×5
9951399745
n÷2
995139974.5
n÷3
663426649.66667
n÷3
497569987.25
n÷5
398055989.8
n2
3961214275391442601
n3
7.8839253460042E+27
n4
1.5691218535565E+37
n5
3.1229917626712E+46
2 √n44612.553715294
3 √n1257.8766515564
4 √n211.21684051063
5 √n72.407380060617
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
-1990279948 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 1990279949 can be divided by 8 positive divisors.
The sum of these divisors (counting 1990279949) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101000010100001100001101
3
Ternary
12010201001200211012
4
Quaternary
1312220110030031
5
Quinary
13034002424244
6
Senary
525254335005
8
Octal
16650241415
10
Decimal
1990279949
12
Duodecimal
47665a465
16
Hexadecimal
76a1430d
20
Vigesimal
1b1j4jh9
36
Base36
wwylu5
md5
eebc01c1ab8b2f4abd669d928f0155b6
sha1
f37890d7acc4df0096cd8e7aa6e1433bb1b45ba8
sha256
04562e3004488807aa7ec0b55860ed08db02a3d6cd7e609417a47aa8de3a9626
sha512
ce02a7bd31c2ddc026206e306d02fc9dc0d94dfed89a6d1226bdbf11af700caa681f3b9d4d3a7374d71bfada0d86a4d155022f4e06d4f4f11521cfd3748c349d
ripemd-160
dfa809ce66dd133eb1e2dbbdf524243a30aa69e7
Diameter
3980559898
Circumference
12505297732.731
Area
1.2444521666865E+19
Volume
3.3024109264609E+28
Surface area
4.9778086667459E+19
Circumference
12505297732.731
Perimeter
7961119796
Area
3961214275391442601
Diagonal
2814680896.795
Surface area
2.3767285652349E+19
Volume
7.8839253460042E+27
Space diagonal
3447265992.9536
Perimeter
5970839847
Area
1.7152560961613E+18
Altitude
1723632996.4768
Surface area
1.7152560961613E+18
Volume
9.2912951242134E+26
Height
938226965.59834