1242657902 is an even 10-digits composite number following 1242657901
and preceding 1242657903 . In scientific notation, it is written as 1.242657902 × 10^9.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 621328950 positive integers (up to 1242657902) that are relatively prime to 1242657902.
1242657902 has 4 divisors, whose sum is 1863986856
The reverse of 1242657902 is 2097562421
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 38
Digital Root 2
Name
one billion two hundred forty-two million six hundred fifty-seven thousand nine hundred two
Scientific notation
1.242657902 × 10^9
Engineering notation
1.242657902 × 10^9
Prime Factorization
2 × 621328951
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1242657902
Product of the distinct prime numbers
The prime factorization of 1242657902 is 2 × 621328951.
Since it has a total of 2 prime factors.
3 , 2 , 43 , 6 , 169 , 772 , 813 , 6810 , 2768 , 60365 , 513562 , 239548 , 1613911 , 80588 , 6499608 , 22953741 , 993656641 , 434563647 , 1522731165 , 6231288694
n×2
2485315804
n×3
3727973706
n×4
4970631608
n×5
6213289510
n÷2
621328951
n÷3
414219300.66667
n÷3
310664475.5
n÷5
248531580.4
n2
1544198661403041604
n3
1.9189106688503E+27
n4
2.3845495058789E+36
n5
2.9631792861907E+45
2 √n
35251.353193885
3 √n
1075.1041260595
4 √n
187.75343723587
5 √n
65.897709150512
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
-1242657901
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 1242657902 can be divided by 4 positive divisors.
The sum of these divisors (counting 1242657902) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010000100010111010001101110
3
Ternary
10012121021120011202
4
Quaternary
1022010113101232
5
Quinary
10021110023102
6
Senary
323150245502
8
Octal
11204272156
10
Decimal
1242657902
12
Duodecimal
2a81b6892
16
Hexadecimal
4a11746e
20
Vigesimal
j86c4f2
36
Base36
kjugz2
md5
7fd418bb1c966f480c16c2a8fb72cf85
sha1
c9c52ee2d630d615c0038d4e486642f4f848b6dc
sha256
7e4df383402b3a779c9e9cb2b615e7cc88fb88731993b61c7fd390c1b1a670ef
sha512
37621c9c5d1a27ba7e14505ddef8b755af2968de7e833402c917f5c745b78e04e32b78e4be97d938794deeed5173da4334efb004074aa9981c0d2be1dd460e7a
ripemd-160
02794892db5ce59e4c26914b1306f23c73483345
Diameter
2485315804
Circumference
7807849871.697
Area
4.851243170347E+18
Volume
8.0379142135403E+27
Surface area
1.9404972681388E+19
Circumference
7807849871.697
Perimeter
4970631608
Area
1544198661403041604
Diagonal
1757383658.3985
Surface area
9.2651919684182E+18
Volume
1.9189106688503E+27
Space diagonal
2152346622.6909
Perimeter
3727973706
Area
6.6865763463248E+17
Altitude
1076173311.3455
Surface area
6.6865763463248E+17
Volume
2.2614579107254E+26
Height
585794552.7995