18693429840

Names of 18693429840

• Cardinal: 18693429840 can be written as Eighteen billion, six hundred ninety-three million, four hundred twenty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.869342984 × 10¹⁰

Factors of 18693429840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6097

Divisors of 18693429840

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 30 34 36 40 45 48 51 60 68 72 80 85 90 102 120 136 144 153 170 180 204 240 255 263 272 306 340 360 408 510 526 612 680 720 765 789 816 1020 1052 1224 1315 1360 1530 1578 2040 2104 2367 2448 2630 3060 3156 3945 4080 4208 4471 4734 5260 5807 6120 6312 7890 8942 9468 10520 11614 11835 12240 12624 13413 15780 17421 17884 18936 21040 22355 23228 23670 26826 29035 31560 34842 35768 37872 40239 44710 46456 47340 52263 53652 58070 63120 67065 69684 71536 80478 87105 89420 92912 94680 98719 104526 107304 116140 134130 139368 160956 174210 178840 189360 197438 201195 209052 214608 232280 261315 268260 278736 296157 321912 348420 357680 394876 402390 418104 464560 493595 522630 536520 592314 643824 696840 789752 804780 836208 888471 987190 1045260 1073040 1184628 1393680 1480785 1527241 1579504 1609560 1776942 1974380 2090520 2369256 2961570 3054482 3219120 3553884 3948760 4181040 4442355 4581723 4738512 5923140 6108964 7107768 7636205 7897520 8884710 9163446 11846280 12217928 13745169 14215536 15272410 17769420 18326892 22908615 23692560 24435856 25963097 27490338 30544820 35538840 36653784 45817230 51926194 54980676 61089640 68725845 71077680 73307568 77889291 91634460 103852388 109961352 122179280 129815485 137451690 155778582 183268920 207704776 219922704 233667873 259630970 274903380 311557164 366537840 389446455 415409552 467335746 519261940 549806760 623114328 778892910 934671492 1038523880 1099613520 1168339365 1246228656 1557785820 1869342984 2077047760 2336678730 3115571640 3738685968 4673357460 6231143280 9346714920 18693429840
• Sum of all divisors σ(n): 66735871488
• Sum of proper divisors (its aliquot sum) s(n): 48042441648
• 18693429840 is an abundant number, because the sum of its proper divisors (48042441648) is greater than itself. Its abundance is 29349011808

Bases of 18693429840

• Binary: 10001011010001101110001101001010000₂
• Hexadecimal: 0x45A371A50
• Base-36: 8L5L2S0

Squares and roots of 18693429840

• 18693429840 squared (18693429840²) is 349444319183002425600
• 18693429840 cubed (18693429840³) is 6532312863634021963503419904000
• The square root of 18693429840 is 136723.9183171693
• The cube root of 18693429840 is 2653.9719641233

Scales and comparisons

• 18,693,429,840 seconds is equal to 594 years, 20 weeks, 3 days, 3 hours, 24 minutes.
• To count from 1 to 18,693,429,840 would take you about one thousand, one hundred eighty-eight 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 18693429840 cubic inches would be around 221.2 feet tall.

Recreational maths with 18693429840

• 18693429840 backwards is 04892439681
• The number of decimal digits it has is: 11
• The sum of 18693429840's digits is 54
• More coming soon!