142777981 is an odd 9-digits prime number following 142777980
and preceding 142777982 . In scientific notation, it is written as 1.42777981 × 10^8.
The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors.
There are 142777980 positive integers (up to 142777981) that are relatively prime to 142777981.
142777981 has 2 divisors, whose sum is 142777982
The reverse of 142777981 is 189777241
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 46 Digital Root 1
Name
one hundred forty-two million seven hundred seventy-seven thousand nine hundred eighty-one
Scientific notation
1.42777981 × 10^8
Engineering notation
1.42777981 × 10^6
Prime Factorization
142777981
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
142777981 Product of the distinct prime numbers
The prime factorization of 142777981 is 142777981.
Since it has a total of 1 prime factors.
5 , 2 , 84 , 48 , 556 , 116 , 2821 , 8805 , 8228 , 95177 , 643156 , 198516 , 8013203 , 9159522 , 47371080 , 78466086 , 843650685 , 564097859 , 9350424988 , 5568964357
n×2
285555962
n×3
428333943
n×4
571111924
n×5
713889905
n÷2
71388990.5
n÷3
47592660.333333
n÷3
35694495.25
n÷5
28555596.2
n2
20385551858436361
n3
2.9106079359183E+24
n4
4.15570724573E+32
n5
5.933434901724E+40
2 √n11948.974056378
3 √n522.66138158839
4 √n109.31136288775
5 √n42.749618880223
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
142777982 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
71388991 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
11948.974098223 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999859922 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 142777981 can be divided by 2 positive divisors.
The sum of these divisors (counting 142777981) is 142777982, the average is 71388991.
Base
System
Value
2
Binary
1000100000101001111001111101
3
Ternary
100221122212120101
4
Quaternary
20200221321331
5
Quinary
243022343411
6
Senary
22100121101
8
Octal
1040517175
10
Decimal
142777981
12
Duodecimal
3b996191
16
Hexadecimal
8829e7d
20
Vigesimal
24c74j1
36
Base36
2d0871
md5
2a940f1c01f9a02507b0489fe434c1f8
sha1
af964023aca136bf7118cc898d2c5e0f457d7d8d
sha256
2bc88d163b44f61aaba88ac8cf5846f223a3f8ab5f61d040b8a6d8f1fa6ac6a4
sha512
59a0c1f0de840cae4c94104e16f1f0807707142e07c47fa4ea4be2f868f83e40110e209aefb5bba3424ddfec5141b216a1233d676a9cc404103a4c4641e65371
ripemd-160
30693082ecd56f07d124407aee6103867366e70c
Diameter
285555962
Circumference
897100512.40797
Area
6.4043099957837E+16
Volume
1.2191926011948E+25
Surface area
2.5617239983135E+17
Circumference
897100512.40797
Perimeter
571111924
Area
20385551858436361
Diagonal
201918557.13845
Surface area
122313311150618166
Volume
2.9106079359183E+24
Space diagonal
247298717.2941
Perimeter
428333943
Area
8.8272028897855E+15
Altitude
123649358.64705
Surface area
8.8272028897855E+15
Volume
3.4301843481054E+23
Height
67306185.712816