1285244021 is an odd 10-digits prime number following 1285244020
and preceding 1285244022 . In scientific notation, it is written as 1.285244021 × 10^9.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 1285244020 positive integers (up to 1285244021) that are relatively prime to 1285244021.
1285244021 has 2 divisors, whose sum is 1285244022
The reverse of 1285244021 is 1204425821
Previous prime number is 1
Is Prime? yes Number parity odd Number length 10 Sum of Digits 29 Digital Root 2
Name
one billion two hundred eighty-five million two hundred forty-four thousand twenty-one
Scientific notation
1.285244021 × 10^9
Engineering notation
1.285244021 × 10^9
Prime Factorization
1285244021
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
1285244021 Product of the distinct prime numbers
The prime factorization of 1285244021 is 1285244021.
Since it has a total of 1 prime factors.
5 , 4 , 90 , 27 , 242 , 4 , 7466 , 2250 , 39591 , 31299 , 897248 , 742975 , 9477010 , 583178 , 13734273 , 58369809 , 530040999 , 166737199 , 3965218017 , 3981081471
n×2
2570488042
n×3
3855732063
n×4
5140976084
n×5
6426220105
n÷2
642622010.5
n÷3
428414673.66667
n÷3
321311005.25
n÷5
257048804.2
n2
1651852193516248441
n3
2.1230331552925E+27
n4
2.7286156692244E+36
n5
3.5069369744776E+45
2 √n35850.300152161
3 √n1087.2477828975
4 √n189.34175490937
5 √n66.343307387267
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
1285244022 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
642622011 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
35850.300166107 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999984439 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1285244021 can be divided by 2 positive divisors.
The sum of these divisors (counting 1285244021) is 1285244022, the average is 642622011.
Base
System
Value
2
Binary
1001100100110110100010001110101
3
Ternary
10022120102011100102
4
Quaternary
1030212310101311
5
Quinary
10113010302041
6
Senary
331311123445
8
Octal
11446642165
10
Decimal
1285244021
12
Duodecimal
2ba513585
16
Hexadecimal
4c9b4475
20
Vigesimal
101cfa11
36
Base36
l978mt
md5
19ca16338d945bdd9f07b23db36591ec
sha1
a18fcf8509fb42875edea2c1d99a20d50b12e067
sha256
902f7ee1a7957cf192938f384ae9c2d5577daf32942601bd3db7f55104adbffa
sha512
7f9e9557cd4f60daca89478fe99f7a8bf0ff5374b7aabcbc5e56115fb616bb0702570cf5935b62dd8c4ad0617d16a68910df6e33a19ba298f9015f59d90174ce
ripemd-160
e325324d95c4c099c34b9fc1f2b5eb5f2e0dd23a
Diameter
2570488042
Circumference
8075426348.8876
Area
5.1894467159668E+18
Volume
8.8929404853259E+27
Surface area
2.0757786863867E+19
Circumference
8075426348.8876
Perimeter
5140976084
Area
1651852193516248441
Diagonal
1817609525.4571
Surface area
9.9111131610975E+18
Volume
2.1230331552925E+27
Space diagonal
2226107944.4961
Perimeter
3855732063
Area
7.1527298144106E+17
Altitude
1113053972.2481
Surface area
7.1527298144106E+17
Volume
2.5020185679853E+26
Height
605869841.81904