18828105345

Names of 18828105345

• Cardinal: 18828105345 can be written as Eighteen billion, eight hundred twenty-eight million, one hundred five thousand, three hundred forty-five.

Scientific notation

• Scientific notation: 1.8828105345 × 10¹⁰

Factors of 18828105345

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 189

Divisors of 18828105345

• Number of divisors d(n): 168
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 43 45 63 81 105 129 131 135 189 215 243 301 315 387 393 405 567 645 655 729 903 917 945 1161 1179 1215 1505 1701 1935 1965 2709 2751 2835 3483 3537 3645 4515 4585 5103 5633 5805 5895 8127 8253 8505 10449 10611 13545 13755 16899 17161 17415 17685 24381 24759 25515 28165 31347 31833 39431 40635 41265 50697 51483 52245 53055 73143 74277 84495 85805 95499 118293 120127 121905 123795 152091 154449 156735 159165 197155 219429 222831 253485 257415 354879 360381 365715 371385 456273 463347 477495 591465 600635 668493 737923 760455 772245 1064637 1081143 1097145 1114155 1368819 1390041 1774395 1801905 2213769 2281365 2316735 3193911 3243429 3342465 3689615 4106457 4170123 5165461 5323185 5405715 6641307 6844095 6950205 9581733 9730287 11068845 12510369 15496383 15969555 16217145 19923921 20532285 20850615 25827305 28745199 29190861 33206535 46489149 47908665 48651435 59771763 62551845 77481915 87572583 99619605 139467447 143725995 145954305 179315289 232445745 298858815 418402341 437862915 537945867 697337235 896576445 1255207023 2092011705 2689729335 3765621069 6276035115 18828105345
• Sum of all divisors σ(n): 39919437888
• Sum of proper divisors (its aliquot sum) s(n): 21091332543
• 18828105345 is an abundant number, because the sum of its proper divisors (21091332543) is greater than itself. Its abundance is 2263227198

Bases of 18828105345

• Binary: 10001100010001111100001011010000001₂
• Hexadecimal: 0x4623E1681
• Base-36: 8NDRN29

Squares and roots of 18828105345

• 18828105345 squared (18828105345²) is 354497550882417569025
• 18828105345 cubed (18828105345³) is 6674517232558655697881508938625
• The square root of 18828105345 is 137215.5433797497
• The cube root of 18828105345 is 2660.3301710593

Scales and comparisons

• 18,828,105,345 seconds is equal to 598 years, 35 weeks, 21 hours, 15 minutes, 45 seconds.
• To count from 1 to 18,828,105,345 would take you about one thousand, one hundred ninety-seven 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 18828105345 cubic inches would be around 221.7 feet tall.

Recreational maths with 18828105345

• 18828105345 backwards is 54350182881
• 18828105345 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18828105345's digits is 45
• More coming soon!