1989951851 is an odd 10-digits composite number following 1989951850
and preceding 1989951852 . In scientific notation, it is written as 1.989951851 × 10^9.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 1923600960 positive integers (up to 1989951851) that are relatively prime to 1989951851.
1989951851 has 4 divisors, whose sum is 1990401600
The reverse of 1989951851 is 1581599891
Previous prime number is 4469
Is Prime? no Number parity odd Number length 10 Sum of Digits 56 Digital Root 2
Name
one billion nine hundred eighty-nine million nine hundred fifty-one thousand eight hundred fifty-one
Scientific notation
1.989951851 × 10^9
Engineering notation
1.989951851 × 10^9
Prime Factorization
4469 × 445279
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
1989951851 Product of the distinct prime numbers
The prime factorization of 1989951851 is 4469 × 445279.
Since it has a total of 2 prime factors.
2 , 9 , 47 , 36 , 695 , 168 , 3436 , 5274 , 79657 , 62586 , 367091 , 856501 , 118534 , 2295618 , 92930793 , 71304752 , 935067587 , 457073178 , 3948762155 , 188664219
n×2
3979903702
n×3
5969855553
n×4
7959807404
n×5
9949759255
n÷2
994975925.5
n÷3
663317283.66667
n÷3
497487962.75
n÷5
397990370.2
n2
3959908369298326201
n3
7.8800269892756E+27
n4
1.5680874293239E+37
n5
3.1204184825129E+46
2 √n44608.876370068
3 √n1257.8075273621
4 √n211.20813518913
5 √n72.404992629314
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
-1989951850 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 1989951851 can be divided by 4 positive divisors.
The sum of these divisors (counting 1989951851) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110100111000100000101101011
3
Ternary
12010200110000202102
4
Quaternary
1312213010011223
5
Quinary
13033411424401
6
Senary
525243324015
8
Octal
16647040553
10
Decimal
1989951851
12
Duodecimal
47652060b
16
Hexadecimal
769c416b
20
Vigesimal
1b1h3jcb
36
Base36
wwrkob
md5
28ea54a4414fa912d3ff572637936ba8
sha1
18336ff87e89007d448e7f716606885bc2dc2f84
sha256
caf961dcfb1e1270c5505912a658ee39b2921ee0efc5617c1caea6410da129bc
sha512
91ebc2c23dc73b02a70174d45b9d280139206ffc12902896fb4d020b09f90458c1ae164cc10bda7c666bc9e48e1d654d69fbbae241f9a510b127bd411c0532a1
ripemd-160
4a7e7add3f213b82aebddc67088f8315a6ca798b
Diameter
3979903702
Circumference
12503236232.198
Area
1.2440419041876E+19
Volume
3.300777986613E+28
Surface area
4.9761676167505E+19
Circumference
12503236232.198
Perimeter
7959807404
Area
3959908369298326201
Diagonal
2814216896.1536
Surface area
2.375945021579E+19
Volume
7.8800269892756E+27
Space diagonal
3446697710.5477
Perimeter
5969855553
Area
1.7146906222355E+18
Altitude
1723348855.2739
Surface area
1.7146906222355E+18
Volume
9.2867008667496E+26
Height
938072298.71788