1949081921 is an odd 10-digits composite number following 1949081920
and preceding 1949081922 . In scientific notation, it is written as 1.949081921 × 10^9.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 1846498644 positive integers (up to 1949081921) that are relatively prime to 1949081921.
1949081921 has 4 divisors, whose sum is 2051665200
The reverse of 1949081921 is 1291809491
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 44
Digital Root 8
Name
one billion nine hundred forty-nine million eighty-one thousand nine hundred twenty-one
Scientific notation
1.949081921 × 10^9
Engineering notation
1.949081921 × 10^9
Prime Factorization
19 × 102583259
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1949081921
Product of the distinct prime numbers
The prime factorization of 1949081921 is 19 × 102583259.
Since it has a total of 2 prime factors.
1 , 1 , 61 , 44 , 766 , 637 , 9266 , 754 , 47489 , 7433 , 156435 , 508804 , 3224506 , 9157598 , 19739516 , 71967199 , 33839348 , 398352979 , 9855070893 , 7788720332
n×2
3898163842
n×3
5847245763
n×4
7796327684
n×5
9745409605
n÷2
974540960.5
n÷3
649693973.66667
n÷3
487270480.25
n÷5
389816384.2
n2
3798920334769050241
n3
7.4044069438176E+27
n4
1.4431795709922E+37
n5
2.8128752105774E+46
2 √n
44148.407910139
3 √n
1249.1368806371
4 √n
210.1152253173
5 √n
72.105105833527
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
-1949081920
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 1949081921 can be divided by 4 positive divisors.
The sum of these divisors (counting 1949081921) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110100001011001010000101000001
3
Ternary
12000211112121202022
4
Quaternary
1310023022011001
5
Quinary
12442431110141
6
Senary
521223331225
8
Octal
16413120501
10
Decimal
1949081921
12
Duodecimal
4648b0b15
16
Hexadecimal
742ca141
20
Vigesimal
1a91f4g1
36
Base36
w8fl8h
md5
d1498385675d51f2a95966e0fbd03904
sha1
4b6285715c6543ade1169abd0f8b57b27c236a40
sha256
d45963f9d7e1bf964b61edcd907f23c19d787495d9f8ccc7bf27c6b92972d7f4
sha512
4eacb3df4e0fa0275307ae332a65b18f767589e3a8f8d9811b9c537de3e962ec571382bb471fd9e5b834962864feb34820d857dd3b744f25196556e40d700c2b
ripemd-160
75e6c18e701c57f2afe5b4f6158f449ca877ae2f
Diameter
3898163842
Circumference
12246442888.517
Area
1.1934660215283E+19
Volume
3.1015507278516E+28
Surface area
4.7738640861133E+19
Circumference
12246442888.517
Perimeter
7796327684
Area
3798920334769050241
Diagonal
2756418086.8544
Surface area
2.2793522008614E+19
Volume
7.4044069438176E+27
Space diagonal
3375908915.2859
Perimeter
5847245763
Area
1.6449807584316E+18
Altitude
1687954457.643
Surface area
1.6449807584316E+18
Volume
8.7261772677303E+26
Height
918806028.95147