1291224730 is an even 10-digits composite number following 1291224729
and preceding 1291224731 . In scientific notation, it is written as 1.291224730 × 10^9.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 509414400 positive integers (up to 1291224730) that are relatively prime to 1291224730.
1291224730 has 16 divisors, whose sum is 2356044264
The reverse of 1291224730 is 0374221921
Previous prime number is 5
Is Prime? no
Number parity even
Number length 10
Sum of Digits 31
Digital Root 4
Name
one billion two hundred ninety-one million two hundred twenty-four thousand seven hundred thirty
Scientific notation
1.291224730 × 10^9
Engineering notation
1.291224730 × 10^9
Prime Factorization
2 × 73 × 5 × 1768801
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1291224730
Product of the distinct prime numbers
The prime factorization of 1291224730 is 2 × 73 × 5 × 1768801.
Since it has a total of 4 prime factors.
4 , 3 , 43 , 47 , 451 , 42 , 7335 , 2834 , 36855 , 66271 , 669083 , 216965 , 2197008 , 1159187 , 21366527 , 58566742 , 797027024 , 704555922 , 8587400843 , 9135516378
n×2
2582449460
n×3
3873674190
n×4
5164898920
n×5
6456123650
n÷2
645612365
n÷3
430408243.33333
n÷3
322806182.5
n÷5
258244946
n2
1667261303363572900
n3
2.1528090262751E+27
n4
2.7797602536936E+36
n5
3.5892951830403E+45
2 √n
35933.615598768
3 √n
1088.9316271847
4 √n
189.56164063114
5 √n
66.404936699618
1 , 2 , 5 , 10 , 73 , 146 , 365 , 730 , 1768801 , 3537602 , 8844005 , 17688010 , 129122473 , 258244946 , 645612365 , 1291224730
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1291224729
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1291224730 can be divided by 16 positive divisors.
The sum of these divisors (counting 1291224730) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111101101000011010011010
3
Ternary
10022222200000100011
4
Quaternary
1030331220122122
5
Quinary
10121023142410
6
Senary
332043232134
8
Octal
11475503232
10
Decimal
1291224730
12
Duodecimal
30051864a
16
Hexadecimal
4cf6869a
20
Vigesimal
103a31ga
36
Base36
lcrfdm
md5
e8eae832e7f72a82fae0bbdab2eb02ff
sha1
f92adbd2941251ac16c9d7d91202ae65596f109d
sha256
e870521b53205867f92628555275e2cf1097917fc570dd7747bc47ac8b31a34d
sha512
4978f810725c7b8af8b659d09ef2ffa516a0a3249d2b8ca51afcd9c07053ffc1e123ae3cfdeca56319247c605510a72c031a13f54f06f9cb802f9796cf2eb0f4
ripemd-160
47a50f9efa3cafe29cd8d920d0eab9addc6f453f
Diameter
2582449460
Circumference
8113004251.8029
Area
5.2378558622615E+18
Volume
9.0176653620368E+27
Surface area
2.0951423449046E+19
Circumference
8113004251.8029
Perimeter
5164898920
Area
1667261303363572900
Diagonal
1826067525.2375
Surface area
1.0003567820181E+19
Volume
2.1528090262751E+27
Space diagonal
2236466836.3494
Perimeter
3873674190
Area
7.219453217298E+17
Altitude
1118233418.1747
Surface area
7.219453217298E+17
Volume
2.5371097684645E+26
Height
608689175.07918