87081398 is an even 8-digits composite number following 87081397
and preceding 87081399 . In scientific notation, it is written as 8.7081398 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 43252200 positive integers (up to 87081398) that are relatively prime to 87081398.
87081398 has 8 divisors, whose sum is 131487600
The reverse of 87081398 is 89318078
Previous prime number is 151
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
eighty-seven million eighty-one thousand three hundred ninety-eight
Scientific notation
8.7081398 × 10^7
Engineering notation
8.7081398 × 10^6
Prime Factorization
2 × 151 × 288349
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
87081398
Product of the distinct prime numbers
The prime factorization of 87081398 is 2 × 151 × 288349.
Since it has a total of 3 prime factors.
6 , 3 , 75 , 46 , 157 , 869 , 8698 , 9316 , 30865 , 93816 , 994330 , 827885 , 2932500 , 1562478 , 47884555 , 86989459 , 998789793 , 382305389 , 5280132141 , 1749472487
n×2
174162796
n×3
261244194
n×4
348325592
n×5
435406990
n÷2
43540699
n÷3
29027132.666667
n÷3
21770349.5
n÷5
17416279.6
n2
7583169877634404
n3
6.6035303421589E+23
n4
5.7504465393062E+31
n5
5.0075692376704E+39
2 √n
9331.7414237644
3 √n
443.24291005751
4 √n
96.600939041835
5 √n
38.724433975451
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
-87081397
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 87081398 can be divided by 8 positive divisors.
The sum of these divisors (counting 87081398) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001100001100000110110110
3
Ternary
20001212012012222
4
Quaternary
11030030012312
5
Quinary
134243101043
6
Senary
12350242342
8
Octal
514140666
10
Decimal
87081398
12
Duodecimal
251b63b2
16
Hexadecimal
530c1b6
20
Vigesimal
174539i
36
Base36
1fugfq
md5
f4f34563c4268f46c99de5e05eb3f9a8
sha1
43cf8a0404a269b3a1632f0884bb9542bf3d4c5a
sha256
ff31bb66b8a78aff8ba9da06a12b9b87af0abde129cbc19a4ddffdd4227250a0
sha512
f9cff4408f9176832533bf95f395037e37249e70b37c7d57e614d9c211856f0edeb4efacd4ec39c4acd4ba54ab5b0810d0503e59bd093bc6340a1e4161eef360
ripemd-160
ad68065cea1a1f732cd4960cfa5b33d4e237838b
Diameter
174162796
Circumference
547148560.44226
Area
2.38232307785E+16
Volume
2.7660803214245E+24
Surface area
9.5292923113999E+16
Circumference
547148560.44226
Perimeter
348325592
Area
7583169877634404
Diagonal
123151694.08201
Surface area
45499019265806424
Volume
6.6035303421589E+23
Space diagonal
150829405.73013
Perimeter
261244194
Area
3.2836088776222E+15
Altitude
75414702.865063
Surface area
3.2836088776222E+15
Volume
7.7823351411862E+22
Height
41050564.694003