1268611643 is an odd 10-digits composite number following 1268611642
and preceding 1268611644 . In scientific notation, it is written as 1.268611643 × 10^9.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 1162476864 positive integers (up to 1268611643) that are relatively prime to 1268611643.
1268611643 has 8 divisors, whose sum is 1376171328
The reverse of 1268611643 is 3461168621
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 38
Digital Root 2
Name
one billion two hundred sixty-eight million six hundred eleven thousand six hundred forty-three
Scientific notation
1.268611643 × 10^9
Engineering notation
1.268611643 × 10^9
Prime Factorization
13 × 137 × 712303
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1268611643
Product of the distinct prime numbers
The prime factorization of 1268611643 is 13 × 137 × 712303.
Since it has a total of 3 prime factors.
4 , 1 , 56 , 67 , 567 , 532 , 2874 , 312 , 27376 , 40596 , 296718 , 140727 , 4572556 , 2087845 , 66315305 , 12063240 , 959028424 , 391897375 , 6137871704 , 8010439537
n×2
2537223286
n×3
3805834929
n×4
5074446572
n×5
6343058215
n÷2
634305821.5
n÷3
422870547.66667
n÷3
317152910.75
n÷5
253722328.6
n2
1609375500755159449
n3
2.041672498217E+27
n4
2.5900895024309E+36
n5
3.2858176991959E+45
2 √n
35617.574917448
3 √n
1082.5373704668
4 √n
188.72619033258
5 √n
66.170701469717
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
-1268611642
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 1268611643 can be divided by 8 positive divisors.
The sum of these divisors (counting 1268611643) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001011100111010111101000111011
3
Ternary
10021102010011000102
4
Quaternary
1023213113220323
5
Quinary
10044231033033
6
Senary
325514430015
8
Octal
11347275073
10
Decimal
1268611643
12
Duodecimal
2b4a3230b
16
Hexadecimal
4b9d7a3b
20
Vigesimal
jg8g923
36
Base36
kzar0b
md5
b1579fa311c65a68419f9cdee31cb7c7
sha1
9b6d33e447e626ef643328e08542cce8d585951d
sha256
58a0101e32d31bb36c145848fe73f39f42f75f25a37ed7fae3b8ad28db13dbae
sha512
787a955b3e0781fd9776444cbc507a0ef9d5fa208ef74ecd629a454d396a3f2c3801b60d27adbe8bfc34099ab34ab51b415298eb355b0c610f0a7d3c2e44cad3
ripemd-160
72f32376a1a119c6329611b75782ef80efbb5d06
Diameter
2537223286
Circumference
7970922035.8146
Area
5.0560022500398E+18
Volume
8.5521377619129E+27
Surface area
2.0224009000159E+19
Circumference
7970922035.8146
Perimeter
5074446572
Area
1609375500755159449
Diagonal
1794087790.915
Surface area
9.656253004531E+18
Volume
2.041672498217E+27
Space diagonal
2197299820.7494
Perimeter
3805834929
Area
6.9688003394114E+17
Altitude
1098649910.3747
Surface area
6.9688003394114E+17
Volume
2.4061341140855E+26
Height
598029263.63834