87431021 is an odd 8-digits prime number following 87431020
and preceding 87431022 . In scientific notation, it is written as 8.7431021 × 10^7.
The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors.
There are 87431020 positive integers (up to 87431021) that are relatively prime to 87431021.
87431021 has 2 divisors, whose sum is 87431022
The reverse of 87431021 is 12013478
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighty-seven million four hundred thirty-one thousand twenty-one
Scientific notation
8.7431021 × 10^7
Engineering notation
8.7431021 × 10^6
Prime Factorization
87431021
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
87431021
Product of the distinct prime numbers
The prime factorization of 87431021 is 87431021.
Since it has a total of 1 prime factors.
2 , 5 , 74 , 26 , 261 , 730 , 2044 , 4381 , 72227 , 49967 , 170663 , 384734 , 222505 , 6824650 , 41489585 , 70606514 , 932718351 , 857139873 , 2527663752 , 6085006838
n×2
174862042
n×3
262293063
n×4
349724084
n×5
437155105
n÷2
43715510.5
n÷3
29143673.666667
n÷3
21857755.25
n÷5
17486204.2
n2
7644183433102441
n3
6.6833876226743E+23
n4
5.8433540358918E+31
n5
5.1089040942249E+39
2 √n
9350.4556573463
3 √n
443.83530976382
4 √n
96.69775414841
5 √n
38.75547909487
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
87431022
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
43715511
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9350.4557108197
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999771248
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87431021 can be divided by 2 positive divisors.
The sum of these divisors (counting 87431021) is 87431022, the average is 43715511.
Base
System
Value
2
Binary
101001101100001011101101101
3
Ternary
20002111221210222
4
Quaternary
11031201131231
5
Quinary
134340243041
6
Senary
12401541125
8
Octal
515413555
10
Decimal
87431021
12
Duodecimal
253447a5
16
Hexadecimal
536176d
20
Vigesimal
1768hb1
36
Base36
1g1y7h
md5
b062fb30229d8b5b0a62062055bcaa56
sha1
ff871fb86519c9991896777783fa58f1e7631bc2
sha256
69992de6ea9da4ff6b75950144cce935dc1ef55fed15981915baa3fb5cbbbeee
sha512
b154f19f62ecd3a912db20933658efa5b0a06da07e939fa8dd72ce5691e4f25621dcf07410043378e951df8a105e32ea3eeaf221c8c1df73faec3df9675ef3d9
ripemd-160
45f4f4ad1ea17edf6ea904114ac043e6da627a73
Diameter
174862042
Circumference
549345306.53891
Area
2.4014910516127E+16
Volume
2.7995308608649E+24
Surface area
9.605964206451E+16
Circumference
549345306.53891
Perimeter
349724084
Area
7644183433102441
Diagonal
123646135.67033
Surface area
45865100598614646
Volume
6.6833876226743E+23
Space diagonal
151434970.52962
Perimeter
262293063
Area
3.3100285221274E+15
Altitude
75717485.264811
Surface area
3.3100285221274E+15
Volume
7.8764478488187E+22
Height
41215378.556776