637642989 is an odd 9-digits composite number following 637642988
and preceding 637642990 . In scientific notation, it is written as 6.37642989 × 10^8.
The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors.
There are 423722880 positive integers (up to 637642989) that are relatively prime to 637642989.
637642989 has 8 divisors, whose sum is 663394368
The reverse of 637642989 is 989246736
Previous prime number is 311
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
six hundred thirty-seven million six hundred forty-two thousand nine hundred eighty-nine
Scientific notation
6.37642989 × 10^8
Engineering notation
6.37642989 × 10^6
Prime Factorization
27 × 311 × 75937
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
637642989
Product of the distinct prime numbers
The prime factorization of 637642989 is 27 × 311 × 75937.
Since it has a total of 3 prime factors.
1 , 8 , 65 , 10 , 652 , 499 , 1425 , 3391 , 35347 , 73219 , 920919 , 358372 , 8813712 , 7137081 , 38688234 , 80068233 , 150187305 , 462225082 , 6347509221 , 8992994767
n×2
1275285978
n×3
1912928967
n×4
2550571956
n×5
3188214945
n÷2
318821494.5
n÷3
212547663
n÷3
159410747.25
n÷5
127528597.8
n2
406588581420854121
n3
2.5925835835046E+26
n4
1.6531427454182E+35
n5
1.0541148814321E+44
2 √n
25251.593791284
3 √n
860.71465249517
4 √n
158.90750073953
5 √n
57.665427736651
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
-637642988
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 637642989 can be divided by 8 positive divisors.
The sum of these divisors (counting 637642989) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000000011010100011101101
3
Ternary
1122102211121202000
4
Quaternary
212000122203231
5
Quinary
2301214033424
6
Senary
143134522513
8
Octal
4600324355
10
Decimal
637642989
12
Duodecimal
159666439
16
Hexadecimal
2601a8ed
20
Vigesimal
9j55799
36
Base36
ajmwh9
md5
ec618a2745780e50263a2e43b99e3819
sha1
754f6d640fa676548b5bc4589c0f0e95a40eebcc
sha256
b14d4e1be7e02689541b08d33ee204a899367f804271576c44988e7e82d1a6de
sha512
dfd03d70bfbcb5feb423226eb75c196e3892dd54c0b2b299d633f05656bf25d39e59c05c13c3c7c8584036624e17f32f7ca64841063585163907b09b7e130728
ripemd-160
f2f5905e47959d5c90ceedecbb6dc70358f0335d
Diameter
1275285978
Circumference
4006429059.7109
Area
1.2773357004253E+18
Volume
1.0859788719674E+27
Surface area
5.109342801701E+18
Circumference
4006429059.7109
Perimeter
2550571956
Area
406588581420854121
Diagonal
901763362.99592
Surface area
2439531488525124726
Volume
2.5925835835046E+26
Space diagonal
1104430054.0381
Perimeter
1912928967
Area
1.7605802019957E+17
Altitude
552215027.01904
Surface area
1.7605802019957E+17
Volume
3.0553890544817E+25
Height
300587787.66531