1978391141 is an odd 10-digits composite number following 1978391140
and preceding 1978391142 . In scientific notation, it is written as 1.978391141 × 10^9.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 1957819248 positive integers (up to 1978391141) that are relatively prime to 1978391141.
1978391141 has 8 divisors, whose sum is 1999042560
The reverse of 1978391141 is 1411938791
Previous prime number is 397
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 44
Digital Root 8
Name
one billion nine hundred seventy-eight million three hundred ninety-one thousand one hundred forty-one
Scientific notation
1.978391141 × 10^9
Engineering notation
1.978391141 × 10^9
Prime Factorization
127 × 397 × 39239
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1978391141
Product of the distinct prime numbers
The prime factorization of 1978391141 is 127 × 397 × 39239.
Since it has a total of 3 prime factors.
10 , 3 , 64 , 82 , 11 , 700 , 9900 , 2 , 96571 , 7257 , 491871 , 29267 , 7467284 , 8956720 , 63064387 , 14323245 , 703719090 , 136856079 , 5703746849 , 1806851985
n×2
3956782282
n×3
5935173423
n×4
7913564564
n×5
9891955705
n÷2
989195570.5
n÷3
659463713.66667
n÷3
494597785.25
n÷5
395678228.2
n2
3914031506787281881
n3
7.7434852586228E+27
n4
1.5319642636124E+37
n5
3.0308245274593E+46
2 √n
44479.109040088
3 √n
1255.367033064
4 √n
210.90070896061
5 √n
72.320668469591
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
-1978391140
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 1978391141 can be divided by 8 positive divisors.
The sum of these divisors (counting 1978391141) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110101111010111101101001100101
3
Ternary
12002212200200102222
4
Quaternary
1311322331221211
5
Quinary
13022432004031
6
Senary
524151442125
8
Octal
16572755145
10
Decimal
1978391141
12
Duodecimal
472686345
16
Hexadecimal
75ebda65
20
Vigesimal
1ai4ihh1
36
Base36
wpvsdh
md5
bcc45692d68c074c9c7cdbff878d0721
sha1
2072ad05f9635350a2c244b3139172022a8a1444
sha256
46e249fb818071165fbc72fb4e0b11bca0028d902f43cc77227a11d5d576a39f
sha512
536e99c0e88ca789fad5dcdce50f8159d3b6831f744998d974120f21838bd0691743eb8f4887e3c6ddffacaee19dc485f318da4d446e8d28005d8d3866c8deca
ripemd-160
ea27c5879119089aac49949c46aa45de1a38ea68
Diameter
3956782282
Circumference
12430598148.985
Area
1.2296292627642E+19
Volume
3.2435835202227E+28
Surface area
4.9185170510568E+19
Circumference
12430598148.985
Perimeter
7913564564
Area
3914031506787281881
Diagonal
2797867583.281
Surface area
2.3484189040724E+19
Volume
7.7434852586228E+27
Space diagonal
3426673973.4562
Perimeter
5935173423
Area
1.6948253580452E+18
Altitude
1713336986.7281
Surface area
1.6948253580452E+18
Volume
9.1257848939838E+26
Height
932622527.76033