1997408949 is an odd 10-digits composite number following 1997408948
and preceding 1997408950 . In scientific notation, it is written as 1.997408949 × 10^9.
The sum of its digits is 60. It has a total of 3 prime factors and 8 positive divisors.
There are 1309776240 positive integers (up to 1997408949) that are relatively prime to 1997408949.
1997408949 has 8 divisors, whose sum is 2706871392
The reverse of 1997408949 is 9498047991
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 60
Digital Root 6
Name
one billion nine hundred ninety-seven million four hundred eight thousand nine hundred forty-nine
Scientific notation
1.997408949 × 10^9
Engineering notation
1.997408949 × 10^9
Prime Factorization
3 × 61 × 10914803
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1997408949
Product of the distinct prime numbers
The prime factorization of 1997408949 is 3 × 61 × 10914803.
Since it has a total of 3 prime factors.
1 , 7 , 35 , 90 , 260 , 451 , 5376 , 9436 , 22367 , 59066 , 532437 , 421663 , 328447 , 520509 , 24286976 , 23835454 , 657464607 , 756089319 , 6695863501 , 5169816853
n×2
3994817898
n×3
5992226847
n×4
7989635796
n×5
9987044745
n÷2
998704474.5
n÷3
665802983
n÷3
499352237.25
n÷5
399481789.8
n2
3989642509545284601
n3
7.9689476518766E+27
n4
1.5917247353971E+37
n5
3.1793252308268E+46
2 √n
44692.381330603
3 √n
1259.3767281502
4 √n
211.405726816
5 √n
72.459177217792
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
-1997408948
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 1997408949 can be divided by 8 positive divisors.
The sum of these divisors (counting 1997408949) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111000011100000101010110101
3
Ternary
12011012110212222020
4
Quaternary
1313003200222311
5
Quinary
13042314041244
6
Senary
530111223353
8
Octal
16703405265
10
Decimal
1997408949
12
Duodecimal
478b17b59
16
Hexadecimal
770e0ab5
20
Vigesimal
1b43g279
36
Base36
x17elx
md5
a479a28529d6e5f29bc3b07242cddb9c
sha1
b1ec19e839e804a33fa3520b0c19a4ad18ffefdb
sha256
9fd5de1c459483321a73fefb8e3be31d71d3527fcfc5a4eb4a50de529eb9098a
sha512
0edc940fe3f97cc1f765199c2832c95401dce430e482165bcb116e0a0663ed082cea4a9695d6520763c660d0c92f9eca8c1936020e91d8f77dbc39a7969b8d1f
ripemd-160
326d36c354cd769f032bcdc169ccd4757c023f26
Diameter
3994817898
Circumference
12550090560.786
Area
1.2533831598437E+19
Volume
3.3380249866636E+28
Surface area
5.0135326393748E+19
Circumference
12550090560.786
Perimeter
7989635796
Area
3989642509545284601
Diagonal
2824762825.2812
Surface area
2.3937855057272E+19
Volume
7.9689476518766E+27
Space diagonal
3459613783.1608
Perimeter
5992226847
Area
1.7275658826423E+18
Altitude
1729806891.5804
Surface area
1.7275658826423E+18
Volume
9.3914948726042E+26
Height
941587608.42706