1978128082 is an even 10-digits composite number following 1978128081
and preceding 1978128083 . In scientific notation, it is written as 1.978128082 × 10^9.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 847769172 positive integers (up to 1978128082) that are relatively prime to 1978128082.
1978128082 has 8 divisors, whose sum is 3391076736
The reverse of 1978128082 is 2808218791
Previous prime number is 7
Is Prime? no
Number parity even
Number length 10
Sum of Digits 46
Digital Root 1
Name
one billion nine hundred seventy-eight million one hundred twenty-eight thousand eighty-two
Scientific notation
1.978128082 × 10^9
Engineering notation
1.978128082 × 10^9
Prime Factorization
2 × 7 × 141294863
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1978128082
Product of the distinct prime numbers
The prime factorization of 1978128082 is 2 × 7 × 141294863.
Since it has a total of 3 prime factors.
8 , 6 , 28 , 2 , 742 , 772 , 5769 , 8680 , 69838 , 814 , 775346 , 695709 , 6292593 , 1307068 , 72864 , 44819794 , 152437972 , 992857584 , 8429467780 , 6192096605
n×2
3956256164
n×3
5934384246
n×4
7912512328
n×5
9890640410
n÷2
989064041
n÷3
659376027.33333
n÷3
494532020.5
n÷5
395625616.4
n2
3912990708796998724
n3
7.7403968056764E+27
n4
1.5311496287132E+37
n5
3.0288100783014E+46
2 √n
44476.151834438
3 √n
1255.3113901686
4 √n
210.89369794861
5 √n
72.318745127512
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
-1978128081
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 1978128082 can be divided by 8 positive divisors.
The sum of these divisors (counting 1978128082) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110101111001111101011011010010
3
Ternary
12002212012022121001
4
Quaternary
1311321331123102
5
Quinary
13022400044312
6
Senary
524142052214
8
Octal
16571753322
10
Decimal
1978128082
12
Duodecimal
47257a06a
16
Hexadecimal
75e7d6d2
20
Vigesimal
1ai36042
36
Base36
wpq5ea
md5
d820ca3413b7023cc342a411f2d2fe03
sha1
4b1117cd70d029225178b9654ef4436a84471099
sha256
c80320f218e6c964b724731cb80036674a40ecd2425db092aaf3169bbe1e7a9d
sha512
fb2e911674e735f4354fdfafd7f9e847a42f5489a88fe519a0f6904458eed5292bc9583bf3856fd8469c19c4005521691e9dfd6bb7347463d382ee8cbe990f1a
ripemd-160
b07710cf3ef4a1911b27a2f2337996214bc58bb3
Diameter
3956256164
Circumference
12428945300.542
Area
1.2293022864322E+19
Volume
3.2422898320777E+28
Surface area
4.9172091457287E+19
Circumference
12428945300.542
Perimeter
7912512328
Area
3912990708796998724
Diagonal
2797495561.6755
Surface area
2.3477944252782E+19
Volume
7.7403968056764E+27
Space diagonal
3426218341.9028
Perimeter
5934384246
Area
1.6943746792953E+18
Altitude
1713109170.9514
Surface area
1.6943746792953E+18
Volume
9.1221451172808E+26
Height
932498520.55849