18013051840

Names of 18013051840

• Cardinal: 18013051840 can be written as Eighteen billion, thirteen million, fifty-one thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.801305184 × 10¹⁰

Factors of 18013051840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 6417

Divisors of 18013051840

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 19 20 28 32 35 38 40 56 64 67 70 76 80 95 112 133 134 140 152 160 190 224 266 268 280 304 320 335 380 448 469 532 536 560 608 665 670 760 938 1064 1072 1120 1216 1273 1330 1340 1520 1876 2128 2144 2240 2345 2546 2660 2680 3040 3752 4256 4288 4690 5092 5320 5360 6080 6317 6365 7504 8512 8911 9380 10184 10640 10720 12634 12730 15008 17822 18760 20368 21280 21440 25268 25460 30016 31585 35644 37520 40736 42560 44219 44555 50536 50920 63170 71288 75040 81472 88438 89110 101072 101840 120023 126340 142576 150080 176876 178220 202144 203680 221095 240046 252680 285152 353752 356440 404288 407360 423239 442190 480092 505360 570304 600115 707504 712880 840161 846478 884380 960184 1010720 1200230 1415008 1425760 1680322 1692956 1768760 1920368 2021440 2116195 2400460 2830016 2851520 2962673 3360644 3385912 3537520 3840736 4200805 4232390 4800920 5925346 6721288 6771824 7075040 7681472 8041541 8401610 8464780 9601840 11850692 13442576 13543648 14150080 14813365 16083082 16803220 16929560 19203680 23701384 26885152 27087296 29626730 32166164 33606440 33859120 38407360 40207705 47402768 53770304 56290787 59253460 64332328 67212880 67718240 80415410 94805536 112581574 118506920 128664656 134425760 135436480 160830820 189611072 225163148 237013840 257329312 268851520 281453935 321661640 450326296 474027680 514658624 562907870 643323280 900652592 948055360 1125815740 1286646560 1801305184 2251631480 2573293120 3602610368 4503262960 9006525920 18013051840
• Sum of all divisors σ(n): 52379758080
• Sum of proper divisors (its aliquot sum) s(n): 34366706240
• 18013051840 is an abundant number, because the sum of its proper divisors (34366706240) is greater than itself. Its abundance is 16353654400

Bases of 18013051840

• Binary: 10000110001101010010101101111000000₂
• Hexadecimal: 0x431A95BC0
• Base-36: 89WI7R4

Squares and roots of 18013051840

• 18013051840 squared (18013051840²) is 324470036590527385600
• 18013051840 cubed (18013051840³) is 5844695589631866649752469504000
• The square root of 18013051840 is 134212.7111714833
• The cube root of 18013051840 is 2621.3746763051

Scales and comparisons

• 18,013,051,840 seconds is equal to 572 years, 39 weeks, 3 days, 9 hours, 30 minutes, 40 seconds.
• To count from 1 to 18,013,051,840 would take you about one thousand, one hundred forty-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 18013051840 cubic inches would be around 218.4 feet tall.

Recreational maths with 18013051840

• 18013051840 backwards is 04815031081
• The number of decimal digits it has is: 11
• The sum of 18013051840's digits is 31
• More coming soon!