87389949 is an odd 8-digits composite number following 87389948
and preceding 87389950 . In scientific notation, it is written as 8.7389949 × 10^7.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 52367040 positive integers (up to 87389949) that are relatively prime to 87389949.
87389949 has 16 divisors, whose sum is 94080000
The reverse of 87389949 is 94998378
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 57
Digital Root 3
Name
eighty-seven million three hundred eighty-nine thousand nine hundred forty-nine
Scientific notation
8.7389949 × 10^7
Engineering notation
8.7389949 × 10^6
Prime Factorization
69 × 19 × 191 × 349
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
87389949
Product of the distinct prime numbers
The prime factorization of 87389949 is 69 × 19 × 191 × 349.
Since it has a total of 4 prime factors.
10 , 7 , 2 , 56 , 700 , 92 , 9559 , 4508 , 59859 , 51479 , 390160 , 834882 , 6144591 , 6178690 , 27466821 , 22014351 , 690734964 , 858034645 , 3835130432 , 6748586036
n×2
174779898
n×3
262169847
n×4
349559796
n×5
436949745
n÷2
43694974.5
n÷3
29129983
n÷3
21847487.25
n÷5
17477989.8
n2
7637003186222601
n3
6.6739731895683E+23
n4
5.8323817666374E+31
n5
5.0969154513497E+39
2 √n
9348.2591427495
3 √n
443.76579950358
4 √n
96.686395851482
5 √n
38.751837219926
1 , 19 , 69 , 191 , 349 , 1311 , 3629 , 6631 , 13179 , 24081 , 66659 , 250401 , 457539 , 1266521 , 4599471 , 87389949
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87389948
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87389949 can be divided by 16 positive divisors.
The sum of these divisors (counting 87389949) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001101010111011011111101
3
Ternary
20002102212110210
4
Quaternary
11031113123331
5
Quinary
134332434244
6
Senary
12401023033
8
Octal
515273375
10
Decimal
87389949
12
Duodecimal
25324a79
16
Hexadecimal
53576fd
20
Vigesimal
1763eh9
36
Base36
1g12il
md5
1ab31a94fc886b26b3998be82349f737
sha1
a56b7901a04cc2a79ccd8b52384ca40e57577a3f
sha256
f0323d7a3818b59b11dc417d879bf61b755e23e49b59494b575b7cb82813c868
sha512
2a023c338d1ae1ca2ddc7b2b4e74f926ca0c3f919d0ea6b434267cea85937f788274b8cd09f17dc87c0f13931df008383dd648554caf4bfdee71ac0f0f90b4f1
ripemd-160
6e7c3a87a5fad9bf60e400c3dfc341ce846b4e56
Diameter
174779898
Circumference
549087243.55197
Area
2.3992353105279E+16
Volume
2.7955873523471E+24
Surface area
9.5969412421115E+16
Circumference
549087243.55197
Perimeter
349559796
Area
7637003186222601
Diagonal
123588051.09089
Surface area
45822019117335606
Volume
6.6739731895683E+23
Space diagonal
151363831.73885
Perimeter
262169847
Area
3.3069193840257E+15
Altitude
75681915.869426
Surface area
3.3069193840257E+15
Volume
7.8653528330016E+22
Height
41196017.030298