749888921 is an odd 9-digits composite number following 749888920
and preceding 749888922 . In scientific notation, it is written as 7.49888921 × 10^8.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 694206720 positive integers (up to 749888921) that are relatively prime to 749888921.
749888921 has 8 divisors, whose sum is 807017544
The reverse of 749888921 is 129888947
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 56
Digital Root 2
Name
seven hundred forty-nine million eight hundred eighty-eight thousand nine hundred twenty-one
Scientific notation
7.49888921 × 10^8
Engineering notation
7.49888921 × 10^6
Prime Factorization
17 × 61 × 723133
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
749888921
Product of the distinct prime numbers
The prime factorization of 749888921 is 17 × 61 × 723133.
Since it has a total of 3 prime factors.
9 , 6 , 31 , 6 , 214 , 473 , 1703 , 6807 , 95102 , 25904 , 168168 , 728095 , 4794784 , 1116331 , 81128423 , 25604942 , 593012368 , 862446470 , 4064603525 , 1274838609
n×2
1499777842
n×3
2249666763
n×4
2999555684
n×5
3749444605
n÷2
374944460.5
n÷3
249962973.66667
n÷3
187472230.25
n÷5
149977784.2
n2
562333393838544241
n3
4.2168758194785E+26
n4
3.1621884582598E+35
n5
2.3712900909631E+44
2 √n
27384.099784364
3 √n
908.51543999299
4 √n
165.48141824496
5 √n
59.566130339228
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
-749888920
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 749888921 can be divided by 8 positive divisors.
The sum of these divisors (counting 749888921) is 1, the average is 0.125.
Base
System
Value
2
Binary
101100101100100110010110011001
3
Ternary
1221021001022012202
4
Quaternary
230230212112121
5
Quinary
3013432421141
6
Senary
202224415545
8
Octal
5454462631
10
Decimal
749888921
12
Duodecimal
18b1775b5
16
Hexadecimal
2cb26599
20
Vigesimal
be6g261
36
Base36
cegpzt
md5
6bfbeb126d7d42c3673d6b89837fa8a2
sha1
51f59fdf6a4a232b9b771b3399ff6cca8d4ee31b
sha256
e9a05e70a65c0490ae9b42ad0b7bb5367732fbbc710003762fb434eabcd6aebc
sha512
767984c3e948825f197d108d5b3ce8621c7edac77a8bdd1dca1e2274ee3be6ce368721314eb17adada22794cfc502896cdeb87034ba0e452a8113a338ccb70b5
ripemd-160
3b280882e8ffbc9acb2dfe13c845a4f83d1332ea
Diameter
1499777842
Circumference
4711691050.444
Area
1.7666224589514E+18
Volume
1.7663608127432E+27
Surface area
7.0664898358055E+18
Circumference
4711691050.444
Perimeter
2999555684
Area
562333393838544241
Diagonal
1060503082.3515
Surface area
3374000363031265446
Volume
4.2168758194785E+26
Space diagonal
1298845711.205
Perimeter
2249666763
Area
2.4349750223025E+17
Altitude
649422855.6025
Surface area
2.4349750223025E+17
Volume
4.9696358122914E+25
Height
353501027.45051