1218498972 is an even 10-digits composite number following 1218498971
and preceding 1218498973 . In scientific notation, it is written as 1.218498972 × 10^9.
The sum of its digits is 51. It has a total of 4 prime factors and 12 positive divisors.
There are 406166320 positive integers (up to 1218498972) that are relatively prime to 1218498972.
1218498972 has 12 divisors, whose sum is 2843164296
The reverse of 1218498972 is 2798948121
Previous prime number is 3
Is Prime? no
Number parity even
Number length 10
Sum of Digits 51
Digital Root 6
Name
one billion two hundred eighteen million four hundred ninety-eight thousand nine hundred seventy-two
Scientific notation
1.218498972 × 10^9
Engineering notation
1.218498972 × 10^9
Prime Factorization
2 × 2 × 3 × 101541581
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
609249486
Product of the distinct prime numbers
The prime factorization of 1218498972 is 2 × 2 × 3 × 101541581.
Since it has a total of 4 prime factors.
2 , 7 , 53 , 80 , 329 , 658 , 9972 , 3860 , 9151 , 95339 , 698002 , 453414 , 6714750 , 6286339 , 87345598 , 81359700 , 228453689 , 717710147 , 3255166786 , 4063073163
n×2
2436997944
n×3
3655496916
n×4
4873995888
n×5
6092494860
n÷2
609249486
n÷3
406166324
n÷3
304624743
n÷5
243699794.4
n2
1484739744765056784
n3
1.8091538526838E+27
n4
2.204452109685E+36
n5
2.6861226294744E+45
2 √n
34907.004626579
3 √n
1068.0913281605
4 √n
186.83416343533
5 √n
65.639465118354
1 , 2 , 3 , 4 , 6 , 12 , 101541581 , 203083162 , 304624743 , 406166324 , 609249486 , 1218498972
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1218498971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1218498972 can be divided by 12 positive divisors.
The sum of these divisors (counting 1218498972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001000101000001101000110011100
3
Ternary
10010220211011100120
4
Quaternary
1020220031012130
5
Quinary
4443413431342
6
Senary
320524354540
8
Octal
11050150634
10
Decimal
1218498972
12
Duodecimal
2a00a5a50
16
Hexadecimal
48a0d19c
20
Vigesimal
j0fc78c
36
Base36
k5gnto
md5
79ec0d04228462d8440ae6c80049b1db
sha1
45d45f8c78dfe1c65dea2398ceef4885a9da4741
sha256
8d4cc415e7ee26d5cb2bc2fdc570af115ca8ac10b139d1ef78fb8cb8939e582b
sha512
6c4f9c08414100788e0bb4f13d972eea574aba3ed0c71bd47c796c23991d76e5c233c2022dfef4d97621b58a3a015ba5fb8034e0837a56eab8a7dbcc1d6050c0
ripemd-160
e3675069e6ec06b4ab15e94b134d256f5eb835c5
Diameter
2436997944
Circumference
7656054837.6838
Area
4.6644474746467E+18
Volume
7.5781659370733E+27
Surface area
1.8657789898587E+19
Circumference
7656054837.6838
Perimeter
4873995888
Area
1484739744765056784
Diagonal
1723217771.9401
Surface area
8908438468590340704
Volume
1.8091538526838E+27
Space diagonal
2110502128.4744
Perimeter
3655496916
Area
6.4291116848748E+17
Altitude
1055251064.2372
Surface area
6.4291116848748E+17
Volume
2.1321082624041E+26
Height
574405923.98002