1249205921 is an odd 10-digits prime number following 1249205920
and preceding 1249205922 . In scientific notation, it is written as 1.249205921 × 10^9.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 1249205920 positive integers (up to 1249205921) that are relatively prime to 1249205921.
1249205921 has 2 divisors, whose sum is 1249205922
The reverse of 1249205921 is 1295029421
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 35
Digital Root 8
Name
one billion two hundred forty-nine million two hundred five thousand nine hundred twenty-one
Scientific notation
1.249205921 × 10^9
Engineering notation
1.249205921 × 10^9
Prime Factorization
1249205921
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1249205921
Product of the distinct prime numbers
The prime factorization of 1249205921 is 1249205921.
Since it has a total of 1 prime factors.
7 , 9 , 47 , 90 , 791 , 693 , 1273 , 7332 , 30446 , 52039 , 825797 , 107594 , 2196702 , 9989364 , 18650774 , 6359710 , 71742421 , 196091316 , 7093341586 , 4643235291
n×2
2498411842
n×3
3747617763
n×4
4996823684
n×5
6246029605
n÷2
624602960.5
n÷3
416401973.66667
n÷3
312301480.25
n÷5
249841184.2
n2
1560515433061458241
n3
1.9494051187923E+27
n4
2.435208416823E+36
n5
3.0420767731643E+45
2 √n
35344.10730235
3 √n
1076.989191184
4 √n
188.00028537837
5 √n
65.967011059655
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1249205922
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
624602961
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
35344.107316496
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999998399
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1249205921 can be divided by 2 positive divisors.
The sum of these divisors (counting 1249205921) is 1249205922, the average is 624602961.
Base
System
Value
2
Binary
1001010011101010101111010100001
3
Ternary
10020001121020100222
4
Quaternary
1022131111322201
5
Quinary
10024244042141
6
Senary
323542452425
8
Octal
11235257241
10
Decimal
1249205921
12
Duodecimal
2aa434115
16
Hexadecimal
4a755ea1
20
Vigesimal
ja7aeg1
36
Base36
knqtgh
md5
ec2657252d9f4dd9018b79fe7b79abed
sha1
206fb48feba15ea560ce6d7dcfabdc5bbeffefd3
sha256
a6a26d28c21a184a5360bea43165e9b8e55960f865085a46ff6c044d7fb41d68
sha512
6292dfddce56757266453396f86eee0696367141fde60696ca45bd03bbd9babfe756b4bea9285caa07f366d80fc57d16b96d15e1122974b44b330f93c966f1e7
ripemd-160
a36e2f21ff8b80f8a4eeb584b7572f1f2c976685
Diameter
2498411842
Circumference
7848992288.4689
Area
4.9025038203194E+18
Volume
8.1656490667574E+27
Surface area
1.9610015281277E+19
Circumference
7848992288.4689
Perimeter
4996823684
Area
1560515433061458241
Diagonal
1766643955.675
Surface area
9.3630925983687E+18
Volume
1.9494051187923E+27
Space diagonal
2163688124.2879
Perimeter
3747617763
Area
6.7572300401445E+17
Altitude
1081844062.1439
Surface area
6.7572300401445E+17
Volume
2.2973959646296E+26
Height
588881318.55832