18918885063960

Names of 18918885063960

• Cardinal: 18918885063960 can be written as Eighteen trillion, nine hundred eighteen billion, eight hundred eighty-five million, sixty-three thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 1.891888506396 × 10¹³

Factors of 18918885063960

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 395131303

Divisors of 18918885063960

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 19 20 21 24 28 30 35 36 38 40 42 45 56 57 60 63 70 72 76 84 90 95 105 114 120 126 133 140 152 168 171 180 190 210 228 252 266 280 285 315 342 360 380 399 420 456 504 532 570 630 665 684 760 798 840 855 1064 1140 1197 1260 1330 1368 1596 1710 1995 2280 2394 2520 2660 3192 3420 3990 4788 5320 5985 6840 7980 9576 11970 15960 23940 47880 395131267 790262534 1185393801 1580525068 1975656335 2370787602 2765918869 3161050136 3556181403 3951312670 4741575204 5531837738 5926969005 7112362806 7507494073 7902625340 8297756607 9483150408 11063675476 11853938010 13829594345 14224725612 15014988146 15805250680 16595513214 17780907015 22127350952 22522482219 23707876020 24893269821 27659188690 28449451224 30029976292 33191026428 35561814030 37537470365 41488783035 45044964438 47415752040 49786539642 52552458511 55318377380 60059952584 66382052856 67567446657 71123628060 75074940730 82977566070 90089928876 99573079284 105104917022 110636754760 112612411095 124466349105 135134893314 142247256120 150149881460 157657375533 165955132140 180179857752 199146158568 210209834044 225224822190 248932698210 262762292555 270269786628 300299762920 315314751066 331910264280 337837233285 420419668088 450449644380 472972126599 497865396420 525524585110 540539573256 630629502132 675674466570 788286877665 900899288760 945944253198 995730792840 1051049170220 1261259004264 1351348933140 1576573755330 1891888506396 2102098340440 2364860632995 2702697866280 3153147510660 3783777012792 4729721265990 6306295021320 9459442531980 18918885063960
• Sum of all divisors σ(n): 73968573369600
• Sum of proper divisors (its aliquot sum) s(n): 55049688305640
• 18918885063960 is an abundant number, because the sum of its proper divisors (55049688305640) is greater than itself. Its abundance is 36130803241680

Bases of 18918885063960

• Binary: 100010011010011100101011011000111110100011000₂
• Hexadecimal: 0x1134E56C7D18
• Base-36: 6PF7RP1Y0

Squares and roots of 18918885063960

• 18918885063960 squared (18918885063960²) is 357924212063328773290881600
• 18918885063960 cubed (18918885063960³) is 6771527029634562382651768878700787136000
• The square root of 18918885063960 is 4349584.4702637975
• The cube root of 18918885063960 is 26645.9891221213

Scales and comparisons

• 18,918,885,063,960 seconds is equal to 601,562 years, 1 week, 2 days, 3 hours, 6 minutes.
• To count from 1 to 18,918,885,063,960 would take you about one million, five hundred three thousand, nine hundred 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 18918885063960 cubic inches would be around 2220.5 feet tall.

Recreational maths with 18918885063960

• 18918885063960 backwards is 06936058881981
• 18918885063960 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18918885063960's digits is 72
• More coming soon!