1961640381 is an odd 10-digits composite number following 1961640380
and preceding 1961640382 . In scientific notation, it is written as 1.961640381 × 10^9.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 1307635920 positive integers (up to 1961640381) that are relatively prime to 1961640381.
1961640381 has 8 divisors, whose sum is 2615769184
The reverse of 1961640381 is 1830461691
Previous prime number is 13411
Is Prime? no Number parity odd Number length 10 Sum of Digits 39 Digital Root 3
Name
one billion nine hundred sixty-one million six hundred forty thousand three hundred eighty-one
Scientific notation
1.961640381 × 10^9
Engineering notation
1.961640381 × 10^9
Prime Factorization
3 × 13411 × 48757
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1961640381 Product of the distinct prime numbers
The prime factorization of 1961640381 is 3 × 13411 × 48757.
Since it has a total of 3 prime factors.
10 , 5 , 37 , 94 , 344 , 876 , 1206 , 3552 , 75342 , 38679 , 329610 , 705185 , 1890365 , 7438235 , 29312731 , 66569016 , 55273256 , 44361400 , 6107192938 , 1067906566
n×2
3923280762
n×3
5884921143
n×4
7846561524
n×5
9808201905
n÷2
980820190.5
n÷3
653880127
n÷3
490410095.25
n÷5
392328076.2
n2
3848032984369825161
n3
7.5484568895598E+27
n4
1.4807357848798E+37
n5
2.904671109212E+46
2 √n44290.409582662
3 √n1251.8139809185
4 √n210.45286784138
5 √n72.197785800695
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
-1961640380 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 1961640381 can be divided by 8 positive divisors.
The sum of these divisors (counting 1961640381) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110100111011000100000110111101
3
Ternary
12001201011122201110
4
Quaternary
1310323010012331
5
Quinary
13004134443011
6
Senary
522352432233
8
Octal
16473040675
10
Decimal
1961640381
12
Duodecimal
468b48679
16
Hexadecimal
74ec41bd
20
Vigesimal
1ad050j1
36
Base36
wfwrel
md5
23d65ebe5339c8e42b6c52b9ef3b704d
sha1
c4fa42f7dea4d299ef5c897e89e901b5a86a89c8
sha256
ed89a5912d61ff19fba89d48b49acf9a352724abbe1ce1c51ed196d944b1d5e7
sha512
f043b21c106634322983383bb3cd99f0d29bbbe746b11c36589f5f275eb31820cfab2e76f43909d8b9563b764ce6ffa1b07eb451dac882f3e86a514c3621722f
ripemd-160
bd20885d6593741a03f869dbdcc99013e03c1678
Diameter
3923280762
Circumference
12325350019.869
Area
1.2088952154467E+19
Volume
3.161890228024E+28
Surface area
4.835580861787E+19
Circumference
12325350019.869
Perimeter
7846561524
Area
3848032984369825161
Diagonal
2774178431.3089
Surface area
2.3088197906219E+19
Volume
7.5484568895598E+27
Space diagonal
3397660806.0708
Perimeter
5884921143
Area
1.6662471595324E+18
Altitude
1698830403.0354
Surface area
1.6662471595324E+18
Volume
8.8959417568367E+26
Height
924726143.76964