72540317232

Names of 72540317232

• Cardinal: 72540317232 can be written as Seventy-two billion, five hundred forty million, three hundred seventeen thousand, two hundred thirty-two.

Scientific notation

• Scientific notation: 7.2540317232 × 10¹⁰

Factors of 72540317232

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 5169

Divisors of 72540317232

• Number of divisors d(n): 140
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 243 324 432 486 648 729 972 1296 1458 1913 1944 2916 3251 3826 3888 5739 5832 6502 7652 9753 11478 11664 13004 15304 17217 19506 22956 26008 29259 30608 34434 39012 45912 51651 52016 58518 68868 78024 87777 91824 103302 117036 137736 154953 156048 175554 206604 234072 263331 275472 309906 351108 413208 464859 468144 526662 619812 702216 789993 826416 929718 1053324 1239624 1394577 1404432 1579986 1859436 2106648 2369979 2479248 2789154 3159972 3718872 4213296 4739958 5578308 6219163 6319944 7437744 9479916 11156616 12438326 12639888 18657489 18959832 22313232 24876652 37314978 37919664 49753304 55972467 74629956 99506608 111944934 149259912 167917401 223889868 298519824 335834802 447779736 503752203 671669604 895559472 1007504406 1343339208 1511256609 2015008812 2686678416 3022513218 4030017624 4533769827 6045026436 8060035248 9067539654 12090052872 18135079308 24180105744 36270158616 72540317232
• Sum of all divisors σ(n): 210898905624
• Sum of proper divisors (its aliquot sum) s(n): 138358588392
• 72540317232 is an abundant number, because the sum of its proper divisors (138358588392) is greater than itself. Its abundance is 65818271160

Bases of 72540317232

• Binary: 1000011100011101111010110011000110000₂
• Hexadecimal: 0x10E3BD6630
• Base-36: XBOMR00

Squares and roots of 72540317232

• 72540317232 squared (72540317232²) is 5262097624119196141824
• 72540317232 cubed (72540317232³) is 381714230959359982708743423111168
• The square root of 72540317232 is 269333.0971715137
• The cube root of 72540317232 is 4170.5482515011

Scales and comparisons

• 72,540,317,232 seconds is equal to 2,306 years, 29 weeks, 7 minutes, 12 seconds.
• To count from 1 to 72,540,317,232 would take you about four thousand, six hundred thirteen years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 72540317232 cubic inches would be around 347.5 feet tall.

Recreational maths with 72540317232

• 72540317232 backwards is 23271304527
• 72540317232 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72540317232's digits is 36
• More coming soon!