87440981 is an odd 8-digits prime number following 87440980
and preceding 87440982 . In scientific notation, it is written as 8.7440981 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 87440980 positive integers (up to 87440981) that are relatively prime to 87440981.
87440981 has 2 divisors, whose sum is 87440982
The reverse of 87440981 is 18904478
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighty-seven million four hundred forty thousand nine hundred eighty-one
Scientific notation
8.7440981 × 10^7
Engineering notation
8.7440981 × 10^6
Prime Factorization
87440981
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
87440981
Product of the distinct prime numbers
The prime factorization of 87440981 is 87440981.
Since it has a total of 1 prime factors.
1 , 10 , 80 , 54 , 219 , 236 , 6393 , 1386 , 89269 , 60565 , 664418 , 185636 , 1083179 , 7390182 , 57922163 , 86947286 , 524576691 , 64195510 , 3610024830 , 1569913881
n×2
174881962
n×3
262322943
n×4
349763924
n×5
437204905
n÷2
43720490.5
n÷3
29146993.666667
n÷3
21860245.25
n÷5
17488196.2
n2
7645925158242361
n3
6.6856719648929E+23
n4
5.8460171525443E+31
n5
5.111814747613E+39
2 √n
9350.9882365448
3 √n
443.8521627899
4 √n
96.700507943572
5 √n
38.756362046892
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
87440982
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
43720491
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9350.9882900151
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999771274
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87440981 can be divided by 2 positive divisors.
The sum of these divisors (counting 87440981) is 87440982, the average is 43720491.
Base
System
Value
2
Binary
101001101100011111001010101
3
Ternary
20002112110110212
4
Quaternary
11031203321111
5
Quinary
134341102411
6
Senary
12402055205
8
Octal
515437125
10
Decimal
87440981
12
Duodecimal
2534a505
16
Hexadecimal
5363e55
20
Vigesimal
176a291
36
Base36
1g25w5
md5
c4aec3255fcd7f89fc34ac95daad12f7
sha1
66f8529b4a2b8b3d1a4db9e6b568fb7404aa0a86
sha256
142aa97bec4dc742308e3bdc2687605c6c363bfb150ac30c249c4a05f668c0f6
sha512
85179d62bd28789a47648a6cfee3735c6e3ee9d02a4855422a2a637dbecceaa153e39b4936ca904edcbf8af5ed8bf3c50986b6edabfaac034eb4adfb302639b8
ripemd-160
d1f815e95dbda82e7c0bef2fe3cfac7d6288b974
Diameter
174881962
Circumference
549407887.06457
Area
2.4020382307032E+16
Volume
2.8004877238958E+24
Surface area
9.6081529228126E+16
Circumference
549407887.06457
Perimeter
349763924
Area
7645925158242361
Diagonal
123660221.23741
Surface area
45875550949454166
Volume
6.6856719648929E+23
Space diagonal
151452221.75566
Perimeter
262322943
Area
3.3107827112362E+15
Altitude
75726110.877832
Surface area
3.3107827112362E+15
Volume
7.879139971941E+22
Height
41220073.745803