72730919943

Names of 72730919943

• Cardinal: 72730919943 can be written as Seventy-two billion, seven hundred thirty million, nine hundred nineteen thousand, nine hundred forty-three.

Scientific notation

• Scientific notation: 7.2730919943 × 10¹⁰

Factors of 72730919943

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 472

Divisors of 72730919943

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 9 11 33 37 61 99 111 121 127 183 233 333 363 381 407 549 671 699 1089 1143 1221 1397 2013 2097 2257 2563 3663 4191 4477 4699 6039 6771 7381 7689 7747 8621 12573 13431 14097 14213 15367 20313 22143 23067 23241 24827 25863 28193 29591 40293 42291 42639 46101 51689 66429 69723 74481 77589 84579 85217 88773 94831 127917 138303 155067 156343 223443 253737 255651 266319 273097 284493 286639 325501 465201 469029 525881 568579 766953 819291 853479 859917 937387 976503 1043141 1094867 1407087 1577643 1705737 1719773 1805051 2457873 2579751 2812161 2929509 3129423 3153029 3284601 3580511 4732929 5117211 5159319 5415153 5784691 8436483 9388269 9459087 9853803 10741533 12043537 15477957 16245459 17354073 19855561 28377261 32224599 34683319 36130611 52062219 59566683 63631601 66786887 104049957 108391833 132478907 178700049 190894803 200360661 218411171 312149871 397436721 572684409 601081983 655233513 734655757 1192310163 1965700539 2203967271 6611901813 8081213327 24243639981 72730919943
• Sum of all divisors σ(n): 122010190848
• Sum of proper divisors (its aliquot sum) s(n): 49279270905
• 72730919943 is a deficient number, because the sum of its proper divisors (49279270905) is less than itself. Its deficiency is 23451649038

Bases of 72730919943

• Binary: 1000011101111000110011100010000000111₂
• Hexadecimal: 0x10EF19C407
• Base-36: XEU40ZR

Squares and roots of 72730919943

• 72730919943 squared (72730919943²) is 5289786715755075123249
• 72730919943 cubed (72730919943³) is 384731054139127265584973877054807
• The square root of 72730919943 is 269686.7070194599
• The cube root of 72730919943 is 4174.1978200967

Scales and comparisons

• 72,730,919,943 seconds is equal to 2,312 years, 32 weeks, 1 day, 1 hour, 19 minutes, 3 seconds.
• To count from 1 to 72,730,919,943 would take you about four thousand, six hundred twenty-five 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 72730919943 cubic inches would be around 347.8 feet tall.

Recreational maths with 72730919943

• 72730919943 backwards is 34991903727
• The number of decimal digits it has is: 11
• The sum of 72730919943's digits is 54
• More coming soon!