1247994989 is an odd 10-digits prime number following 1247994988
and preceding 1247994990 . In scientific notation, it is written as 1.247994989 × 10^9.
The sum of its digits is 62. It has a total of 1 prime factors and 2 positive divisors.
There are 1247994988 positive integers (up to 1247994989) that are relatively prime to 1247994989.
1247994989 has 2 divisors, whose sum is 1247994990
The reverse of 1247994989 is 9894997421
Previous prime number is 1
Is Prime? yes Number parity odd Number length 10 Sum of Digits 62 Digital Root 8
Name
one billion two hundred forty-seven million nine hundred ninety-four thousand nine hundred eighty-nine
Scientific notation
1.247994989 × 10^9
Engineering notation
1.247994989 × 10^9
Prime Factorization
1247994989
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
1247994989 Product of the distinct prime numbers
The prime factorization of 1247994989 is 1247994989.
Since it has a total of 1 prime factors.
10 , 2 , 4 , 79 , 559 , 129 , 1629 , 7336 , 70935 , 16241 , 639905 , 562949 , 6119376 , 9214163 , 90318700 , 18209057 , 781319907 , 894419975 , 9384704486 , 4530399665
n×2
2495989978
n×3
3743984967
n×4
4991979956
n×5
6239974945
n÷2
623997494.5
n÷3
415998329.66667
n÷3
311998747.25
n÷5
249598997.8
n2
1557491492569110121
n3
1.9437415781364E+27
n4
2.4257797494252E+36
n5
3.0273609717003E+45
2 √n35326.972542237
3 √n1076.6410814284
4 √n187.9547087525
5 √n65.954216923002
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
1247994990 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
623997495 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
35326.972556391 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999983974 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1247994989 can be divided by 2 positive divisors.
The sum of these divisors (counting 1247994989) is 1247994990, the average is 623997495.
Base
System
Value
2
Binary
1001010011000101110010001101101
3
Ternary
10012222022201021122
4
Quaternary
1022120232101231
5
Quinary
10023441314424
6
Senary
323500510325
8
Octal
11230562155
10
Decimal
1247994989
12
Duodecimal
2a9b4b3a5
16
Hexadecimal
4a62e46d
20
Vigesimal
j9jj799
36
Base36
kn0v3h
md5
07b14a89246d165fef0bda56c624cd0c
sha1
f4c1aaf0a34a97cad900ae61885cbfc9b960b091
sha256
ba8db316195360f1c8a8d611d5e04f1c7851de79f8693b4ffbca5acdaaa6e796
sha512
198101082797a4448602ff9175a7865695619431c2e89e3345b011c8f25866a89e5a6981f8f2667e042a48f908551638c30a18d14833e2e6333e52c03779df6f
ripemd-160
425ad5fe586736d0c3880a1fdd53462015b876f2
Diameter
2495989978
Circumference
7841383778.3185
Area
4.8930038310837E+18
Volume
8.1419256831337E+27
Surface area
1.9572015324335E+19
Circumference
7841383778.3185
Perimeter
4991979956
Area
1557491492569110121
Diagonal
1764931439.2175
Surface area
9.3449489554147E+18
Volume
1.9437415781364E+27
Space diagonal
2161590728.5394
Perimeter
3743984967
Area
6.744135993715E+17
Altitude
1080795364.2697
Surface area
6.744135993715E+17
Volume
2.2907214179575E+26
Height
588310479.73915