18144849421440

Names of 18144849421440

• Cardinal: 18144849421440 can be written as Eighteen trillion, one hundred forty-four billion, eight hundred forty-nine million, four hundred twenty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.814484942144 × 10¹³

Factors of 18144849421440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 450021084

Divisors of 18144849421440

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 63 64 70 72 80 84 90 96 105 112 120 126 128 140 144 160 168 180 192 210 224 240 252 280 288 315 320 336 360 384 420 448 480 504 560 576 630 640 672 720 840 896 960 1008 1120 1152 1260 1344 1440 1680 1920 2016 2240 2520 2688 2880 3360 4032 4480 5040 5760 6720 8064 10080 13440 20160 40320 450021067 900042134 1350063201 1800084268 2250105335 2700126402 3150147469 3600168536 4050189603 4500210670 5400252804 6300294938 6750316005 7200337072 8100379206 9000421340 9450442407 10800505608 12600589876 13500632010 14400674144 15750737345 16200758412 18000842680 18900884814 20250948015 21601011216 25201179752 27001264020 28351327221 28801348288 31501474690 32401516824 36001685360 37801769628 40501896030 43202022432 47252212035 50402359504 54002528040 56702654442 57602696576 63002949380 64803033648 72003370720 75603539256 81003792060 86404044864 94504424070 100804719008 108005056080 113405308884 126005898760 129606067296 141756636105 144006741440 151207078512 162007584120 172808089728 189008848140 201609438016 216010112160 226810617768 252011797520 259212134592 283513272210 288013482880 302414157024 324015168240 378017696280 403218876032 432020224320 453621235536 504023595040 518424269184 567026544420 604828314048 648030336480 756035392560 864040448640 907242471072 1008047190080 1134053088840 1209656628096 1296060672960 1512070785120 1814484942144 2016094380160 2268106177680 2592121345920 3024141570240 3628969884288 4536212355360 6048283140480 9072424710720 18144849421440
• Sum of all divisors σ(n): 71607352340160
• Sum of proper divisors (its aliquot sum) s(n): 53462502918720
• 18144849421440 is an abundant number, because the sum of its proper divisors (53462502918720) is greater than itself. Its abundance is 35317653497280

Bases of 18144849421440

• Binary: 100001000000010101101010011011110010010000000₂
• Hexadecimal: 0x1080AD4DE480
• Base-36: 6FJMMUXS0

Squares and roots of 18144849421440

• 18144849421440 squared (18144849421440²) is 329235560526731502731673600
• 18144849421440 cubed (18144849421440³) is 5973929669940938208995029500522921984000
• The square root of 18144849421440 is 4259677.1499070209
• The cube root of 18144849421440 is 26277.5248921717

Scales and comparisons

• 18,144,849,421,440 seconds is equal to 576,950 years, 4 weeks, 3 days, 6 hours, 24 minutes.
• To count from 1 to 18,144,849,421,440 would take you about one million, four hundred forty-two thousand, three hundred seventy-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 18144849421440 cubic inches would be around 2189.8 feet tall.

Recreational maths with 18144849421440

• 18144849421440 backwards is 04412494844181
• The number of decimal digits it has is: 14
• The sum of 18144849421440's digits is 54
• More coming soon!