1245996921 is an odd 10-digits composite number following 1245996920
and preceding 1245996922 . In scientific notation, it is written as 1.245996921 × 10^9.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 766767312 positive integers (up to 1245996921) that are relatively prime to 1245996921.
1245996921 has 8 divisors, whose sum is 1789123840
The reverse of 1245996921 is 1296995421
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 48
Digital Root 3
Name
one billion two hundred forty-five million nine hundred ninety-six thousand nine hundred twenty-one
Scientific notation
1.245996921 × 10^9
Engineering notation
1.245996921 × 10^9
Prime Factorization
3 × 13 × 31948639
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1245996921
Product of the distinct prime numbers
The prime factorization of 1245996921 is 3 × 13 × 31948639.
Since it has a total of 3 prime factors.
8 , 3 , 3 , 92 , 265 , 39 , 2512 , 4448 , 41738 , 80920 , 650064 , 958352 , 1422816 , 5353501 , 19205301 , 16875888 , 306232363 , 37553480 , 6202725806 , 3484943661
n×2
2491993842
n×3
3737990763
n×4
4983987684
n×5
6229984605
n÷2
622998460.5
n÷3
415332307
n÷3
311499230.25
n÷5
249199384.2
n2
1552508327141480241
n3
1.9344205954451E+27
n4
2.4102821058436E+36
n5
3.0032040826226E+45
2 √n
35298.681575946
3 √n
1076.0661990038
4 √n
187.8794336162
5 √n
65.933084548856
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
-1245996920
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 1245996921 can be divided by 8 positive divisors.
The sum of these divisors (counting 1245996921) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010010001000110011101111001
3
Ternary
10012211120012110010
4
Quaternary
1022101012131321
5
Quinary
10022433400141
6
Senary
323350012133
8
Octal
11221063571
10
Decimal
1245996921
12
Duodecimal
2a9347049
16
Hexadecimal
4a446779
20
Vigesimal
j979c61
36
Base36
klu1dl
md5
841be2f8bb18620e6a79ce431b822291
sha1
1569f2c4557142a82e5fc1e7226837bafabacbb9
sha256
aa3688ed0f0b7d22170f74a643b760b6990a0faea028cff90d21326e09d76bec
sha512
cc9339c80e3cb5d5d99613ddb14f572c659fd50dbf8a5a90413325a98fc6b5de0543dee130cede8f3ed059f163b8d3bea7428af87823422c0f353edd22a9d4d2
ripemd-160
5a433bfd6bb18fe5a1bc3e86a67745268751c34a
Diameter
2491993842
Circumference
7828829546.8182
Area
4.8773487551847E+18
Volume
8.1028820421377E+27
Surface area
1.9509395020739E+19
Circumference
7828829546.8182
Perimeter
4983987684
Area
1552508327141480241
Diagonal
1762105744.3533
Surface area
9.3150499628489E+18
Volume
1.9344205954451E+27
Space diagonal
2158129973.2464
Perimeter
3737990763
Area
6.722558254457E+17
Altitude
1079064986.6232
Surface area
6.722558254457E+17
Volume
2.2797365345103E+26
Height
587368581.45111