18842978000

Names of 18842978000

• Cardinal: 18842978000 can be written as Eighteen billion, eight hundred forty-two million, nine hundred seventy-eight thousand.

Scientific notation

• Scientific notation: 1.8842978 × 10¹⁰

Factors of 18842978000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4003

Divisors of 18842978000

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 25 28 31 35 40 44 50 55 56 62 70 77 80 88 100 110 112 124 125 140 154 155 175 176 200 217 220 248 250 275 280 308 310 341 350 385 400 434 440 496 500 550 560 616 620 682 700 770 775 868 875 880 1000 1085 1100 1232 1240 1364 1375 1400 1540 1550 1705 1736 1750 1925 2000 2170 2200 2387 2480 2728 2750 2800 3080 3100 3410 3472 3500 3850 3875 3947 4340 4400 4774 5425 5456 5500 6160 6200 6820 7000 7700 7750 7894 8525 8680 9548 9625 10850 11000 11935 12400 13640 14000 15400 15500 15788 17050 17360 19096 19250 19735 21700 22000 23870 27125 27280 27629 30800 31000 31576 34100 38192 38500 39470 42625 43400 43417 47740 54250 55258 59675 62000 63152 68200 77000 78940 85250 86800 86834 95480 98675 108500 110516 119350 122357 136400 138145 154000 157880 170500 173668 190960 197350 217000 217085 221032 238700 244714 276290 298375 303919 315760 341000 347336 394700 434000 434170 442064 477400 489428 493375 552580 596750 607838 611785 682000 690725 694672 789400 856499 868340 954800 978856 986750 1085425 1105160 1193500 1215676 1223570 1345927 1381450 1519595 1578800 1712998 1736680 1957712 1973500 2170850 2210320 2387000 2431352 2447140 2691854 2762900 3039190 3058925 3425996 3453625 3473360 3947000 4282495 4341700 4774000 4862704 4894280 5383708 5427125 5525800 6078380 6117850 6729635 6851992 6907250 7597975 7894000 8564990 8683400 9421489 9788560 10767416 10854250 11051600 12156760 12235700 13459270 13703984 13814500 15195950 15294625 17129980 17366800 18842978 21412475 21534832 21708500 24313520 24471400 26918540 27629000 30391900 30589250 33648175 34259960 37685956 37989875 42824950 43417000 47107445 48942800 53837080 55258000 60783800 61178500 67296350 68519920 75371912 75979750 85649900 86834000 94214890 107062375 107674160 121567600 122357000 134592700 150743824 151959500 168240875 171299800 188429780 214124750 235537225 244714000 269185400 303919000 336481750 342599600 376859560 428249500 471074450 538370800 607838000 672963500 753719120 856499000 942148900 1177686125 1345927000 1712998000 1884297800 2355372250 2691854000 3768595600 4710744500 9421489000 18842978000
• Sum of all divisors σ(n): 58652246016
• Sum of proper divisors (its aliquot sum) s(n): 39809268016
• 18842978000 is an abundant number, because the sum of its proper divisors (39809268016) is greater than itself. Its abundance is 20966290016

Bases of 18842978000

• Binary: 10001100011001000010000011011010000₂
• Hexadecimal: 0x4632106D0
• Base-36: 8NMMEVK

Squares and roots of 18842978000

• 18842978000 squared (18842978000²) is 355057819908484000000
• 18842978000 cubed (18842978000³) is 6690346689263526025352000000000
• The square root of 18842978000 is 137269.7271797391
• The cube root of 18842978000 is 2661.0304673921

Scales and comparisons

• 18,842,978,000 seconds is equal to 599 years, 7 weeks, 5 days, 33 minutes, 20 seconds.
• To count from 1 to 18,842,978,000 would take you about one thousand, one hundred ninety-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 18842978000 cubic inches would be around 221.8 feet tall.

Recreational maths with 18842978000

• 18842978000 backwards is 00087924881
• The number of decimal digits it has is: 11
• The sum of 18842978000's digits is 47
• More coming soon!