64981091 (number)

64981091 is an odd 8-digits composite number following 64981090 and preceding 64981092. In scientific notation, it is written as 6.4981091 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 55355400 positive integers (up to 64981091) that are relatively prime to 64981091.

Interesting facts

Basic properties

Name

Name sixty-four million nine hundred eighty-one thousand ninety-one

Notation

Scientific notation 6.4981091 × 10^7
Engineering notation 6.4981091 × 10^6

Prime Factorization of 64981091

Prime Factorization 7 × 163 × 56951

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 64981091
Product of the distinct prime numbers

The prime factorization of 64981091 is 7 × 163 × 56951. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 64981091)

Multiplication

n×y
n×2 129962182
n×3 194943273
n×4 259924364
n×5 324905455

Division

n÷y
n÷2 32490545.5
n÷3 21660363.666667
n÷3 16245272.75
n÷5 12996218.2

Exponentiation

ny
n2 4222542187550281
n3 2.7438539814054E+23
n4 1.7829862525642E+31
n5 1.1586039192962E+39

Nth Root

y√n
2√n 8061.0849766021
3√n 402.0335834092
4√n 89.783545132736
5√n 36.522239469305

Divisors of 64981091

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 -64981090
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 64981091 can be divided by 8 positive divisors. The sum of these divisors (counting 64981091) is 1, the average is 0.125.

Base conversion 64981091

Base System Value
2 Binary 11110111111000100001100011
3 Ternary 11112021101022002
4 Quaternary 3313320201203
5 Quinary 113113343331
6 Senary 10240434215
8 Octal 367704143
10 Decimal 64981091
12 Duodecimal 1991896b
16 Hexadecimal 3df8863
20 Vigesimal 1062ceb
36 Base36 12orqb

Cryptographic Hash Functions

md5 d201f17b1dd56b4917d70b0cd2eb5615
sha1 6ef21704116d9ca6ca0a5f50f45b6b50e417f4e9
sha256 4488411ae9e231c722e3819a399de49a905cb6be2bafc4da518f511b9bb46b79
sha512 20e4f3e21788a1d5a3af958c6a41530c57a932a10525d3034982efa17515a9a624fe4909f3cfbbd12a1ad9ff6e9dd53953d4e043309dcd4a51bcab343b65f586
ripemd-160 af7e9b616678688edf7d4043c3582f6d24266851

64981091 as geometric shapes

Circle

Radius = n
Diameter 129962182
Circumference 408288236.2157
Area 1.3265507515881E+16

Sphere

Radius = n
Volume 1.1493428680675E+24
Surface area 5.3062030063524E+16
Circumference 408288236.2157

Square

Length = n
Perimeter 259924364
Area 4222542187550281
Diagonal 91897140.19

Cube

Length = n
Surface area 25335253125301686
Volume 2.7438539814054E+23
Space diagonal 112550551.14326

Equilateral Triangle

Length = n
Perimeter 194943273
Area 1.828414401485E+15
Altitude 56275275.571628

Triangular Pyramid

Length = n
Surface area 1.828414401485E+15
Volume 3.2336629280625E+22
Height 30632380.063333