1961138891 is an odd 10-digits composite number following 1961138890
and preceding 1961138892 . In scientific notation, it is written as 1.961138891 × 10^9.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 1893513384 positive integers (up to 1961138891) that are relatively prime to 1961138891.
1961138891 has 4 divisors, whose sum is 2028764400
The reverse of 1961138891 is 1988311691
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 47
Digital Root 2
Name
one billion nine hundred sixty-one million one hundred thirty-eight thousand eight hundred ninety-one
Scientific notation
1.961138891 × 10^9
Engineering notation
1.961138891 × 10^9
Prime Factorization
29 × 67625479
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1961138891
Product of the distinct prime numbers
The prime factorization of 1961138891 is 29 × 67625479.
Since it has a total of 2 prime factors.
9 , 8 , 93 , 69 , 662 , 164 , 5838 , 6699 , 3917 , 82362 , 554877 , 228306 , 5199498 , 5258647 , 52162666 , 61224135 , 670294834 , 941922226 , 4908236052 , 5868668769
n×2
3922277782
n×3
5883416673
n×4
7844555564
n×5
9805694455
n÷2
980569445.5
n÷3
653712963.66667
n÷3
490284722.75
n÷5
392227778.2
n2
3846065749792709881
n3
7.5426691192616E+27
n4
1.4792221751729E+37
n5
2.9009601361611E+46
2 √n
44284.74783715
3 √n
1251.7072971276
4 √n
210.43941607301
5 √n
72.194093975122
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
-1961138890
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 1961138891 can be divided by 4 positive divisors.
The sum of these divisors (counting 1961138891) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110100111001001001101011001011
3
Ternary
12001200020011210202
4
Quaternary
1310321021223023
5
Quinary
13004022421031
6
Senary
522334002415
8
Octal
16471115313
10
Decimal
1961138891
12
Duodecimal
46894640b
16
Hexadecimal
74e49acb
20
Vigesimal
1ach274b
36
Base36
wfm0gb
md5
937c6c903f53c70c9607270acfeaff1f
sha1
7916c405bf1f9e645b5e1a75390b7422942d6db7
sha256
3936bfbf9031faae287be21af16f3e2dd394dec355090183cb10dda488342cf9
sha512
323d787934c9c862c3efb22f0774288c3db168bfdc53b6859222c0b9626927cd9c20d376fe9e4413c46bdf23b915a5cce8838294d46a88410be206d6057e9d8f
ripemd-160
ce5b354f02de75b6cd39257b72081d606c50cc4f
Diameter
3922277782
Circumference
12322199065.27
Area
1.2082771904772E+19
Volume
3.1594658524708E+28
Surface area
4.8331087619088E+19
Circumference
12322199065.27
Perimeter
7844555564
Area
3846065749792709881
Diagonal
2773469217.3495
Surface area
2.3076394498756E+19
Volume
7.5426691192616E+27
Space diagonal
3396792199.9113
Perimeter
5883416673
Area
1.6653953219729E+18
Altitude
1698396099.9556
Surface area
1.6653953219729E+18
Volume
8.889120804127E+26
Height
924489739.11651