1285997248 is an even 10-digits composite number following 1285997247
and preceding 1285997249 . In scientific notation, it is written as 1.285997248 × 10^9.
The sum of its digits is 55. It has a total of 7 prime factors and 14 positive divisors.
There are 642998592 positive integers (up to 1285997248) that are relatively prime to 1285997248.
1285997248 has 14 divisors, whose sum is 2551900916
The reverse of 1285997248 is 8427995821
Previous prime number is 2
Is Prime? no Number parity even Number length 10 Sum of Digits 55 Digital Root 1
Name
one billion two hundred eighty-five million nine hundred ninety-seven thousand two hundred forty-eight
Scientific notation
1.285997248 × 10^9
Engineering notation
1.285997248 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 20093707
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
7 Total number of prime factors
rad Radical
40187414 Product of the distinct prime numbers
The prime factorization of 1285997248 is 2 × 2 × 2 × 2 × 2 × 2 × 20093707.
Since it has a total of 7 prime factors.
2 , 1 , 69 , 86 , 152 , 644 , 9817 , 5275 , 2396 , 3910 , 73258 , 460656 , 7371879 , 7345999 , 51348698 , 72114442 , 672409029 , 262231151 , 5735391147 , 4947431637
n×2
2571994496
n×3
3857991744
n×4
5143988992
n×5
6429986240
n÷2
642998624
n÷3
428665749.33333
n÷3
321499312
n÷5
257199449.6
n2
1653788921863573504
n3
2.1267680022894E+27
n4
2.7350177980787E+36
n5
3.5172253615602E+45
2 √n35860.803783518
3 √n1087.4601380201
4 √n189.36949010735
5 √n66.351081764616
1 , 2 , 4 , 8 , 16 , 32 , 64 , 20093707 , 40187414 , 80374828 , 160749656 , 321499312 , 642998624 , 1285997248
14 divisors
τ Total Divisors
14 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1285997247 Sum of the proper positive divisors of n
A Arithmetic Mean
0.071428571428571 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
14 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1285997248 can be divided by 14 positive divisors.
The sum of these divisors (counting 1285997248) is 1, the average is 0.071428571428571.
Base
System
Value
2
Binary
1001100101001101100001011000000
3
Ternary
10022121211102120201
4
Quaternary
1030221230023000
5
Quinary
10113203402443
6
Senary
331335214544
8
Octal
11451541300
10
Decimal
1285997248
12
Duodecimal
2ba817454
16
Hexadecimal
4ca6c2c0
20
Vigesimal
101h9d28
36
Base36
l9ndts
md5
9a229fae556635ffac95a6204409b929
sha1
8c664afc205ea9c67ea37992972ebe5782423f23
sha256
6f94aac664f87bd18f463cf784673bd982a942d6c992bd1d97d5fc7a08980d63
sha512
2f2d3498fe98534081bff33a83844e2b6f7f1daba9caff5b1ff972134c67e7bc0b18a50e33cad453f4756dd6b1babdb97986ebb30064d5b74b7dc3e5b61ee92a
ripemd-160
526aba44d630ee0d58f469cafc8e9cf6f2ef5812
Diameter
2571994496
Circumference
8080159013.707
Area
5.1955311275148E+18
Volume
8.9085849758431E+27
Surface area
2.0782124510059E+19
Circumference
8080159013.707
Perimeter
5143988992
Area
1653788921863573504
Diagonal
1818674749.2961
Surface area
9.9227335311814E+18
Volume
2.1267680022894E+27
Space diagonal
2227412571.9298
Perimeter
3857991744
Area
7.1611160941557E+17
Altitude
1113706285.9649
Surface area
7.1611160941557E+17
Volume
2.5064201273824E+26
Height
606224916.43203