72542385405

Names of 72542385405

• Cardinal: 72542385405 can be written as Seventy-two billion, five hundred forty-two million, three hundred eighty-five thousand, four hundred five.

Scientific notation

• Scientific notation: 7.2542385405 × 10¹⁰

Factors of 72542385405

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 322

Divisors of 72542385405

• Number of divisors d(n): 200
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 45 49 63 81 105 135 147 189 243 245 307 315 343 405 441 567 729 735 921 945 1029 1215 1323 1535 1701 1715 2149 2187 2205 2401 2763 2835 3087 3645 3969 4605 5103 5145 6447 6561 6615 7203 8289 8505 9261 10745 10935 11907 12005 13815 15043 15309 15435 19341 19683 19845 21609 24867 25515 27783 32235 32805 35721 36015 41445 45129 45927 46305 58023 59535 64827 74601 75215 76545 83349 96705 98415 105301 107163 108045 124335 135387 137781 138915 174069 178605 194481 223803 225645 229635 250047 290115 315903 321489 324135 373005 406161 416745 522207 526505 535815 583443 671409 676935 688905 737107 750141 870345 947709 964467 972405 1119015 1218483 1250235 1566621 1579515 1607445 1750329 2014227 2030805 2211321 2250423 2611035 2843127 2917215 3357045 3655449 3685535 3750705 4699863 4738545 4822335 5250987 6042681 6092415 6633963 6751269 7833105 8529381 8751645 10071135 10966347 11056605 11252115 14099589 14215635 15752961 18277245 19901889 23499315 25588143 26254935 30213405 32899041 33169815 33756345 42298767 42646905 47258883 54831735 59705667 70497945 76764429 78764805 98697123 99509445 127940715 164495205 179117001 211493835 230293287 236294415 296091369 298528335 383822145 493485615 537351003 690879861 895585005 1151466435 1480456845 1612053009 2072639583 2686755015 3454399305 4836159027 8060265045 10363197915 14508477081 24180795135 72542385405
• Sum of all divisors σ(n): 152823545952
• Sum of proper divisors (its aliquot sum) s(n): 80281160547
• 72542385405 is an abundant number, because the sum of its proper divisors (80281160547) is greater than itself. Its abundance is 7738775142

Bases of 72542385405

• Binary: 1000011100011110111001111010011111101₂
• Hexadecimal: 0x10E3DCF4FD
• Base-36: XBPV2T9

Squares and roots of 72542385405

• 72542385405 squared (72542385405²) is 5262397680247557014025
• 72542385405 cubed (72542385405³) is 381746880674896236721112540305125
• The square root of 72542385405 is 269336.9365775887
• The cube root of 72542385405 is 4170.5878861651

Scales and comparisons

• 72,542,385,405 seconds is equal to 2,306 years, 32 weeks, 2 days, 22 hours, 36 minutes, 45 seconds.
• To count from 1 to 72,542,385,405 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 72542385405 cubic inches would be around 347.5 feet tall.

Recreational maths with 72542385405

• 72542385405 backwards is 50458324527
• 72542385405 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72542385405's digits is 45
• More coming soon!