18999744750

Names of 18999744750

• Cardinal: 18999744750 can be written as Eighteen billion, nine hundred ninety-nine million, seven hundred forty-four thousand, seven hundred fifty.

Scientific notation

• Scientific notation: 1.899974475 × 10¹⁰

Factors of 18999744750

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 351

Divisors of 18999744750

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 25 27 30 35 42 45 50 53 54 63 70 75 81 90 105 106 125 126 135 150 159 162 175 189 210 225 243 250 265 270 281 315 318 350 371 375 378 405 450 477 486 525 530 562 567 630 675 729 742 750 795 810 843 875 945 954 1050 1113 1125 1134 1215 1325 1350 1405 1431 1458 1575 1590 1686 1701 1750 1855 1890 1967 2025 2226 2250 2385 2430 2529 2625 2650 2810 2835 2862 3150 3339 3375 3402 3645 3710 3934 3975 4050 4215 4293 4725 4770 5058 5103 5250 5565 5670 5901 6075 6625 6678 6750 7025 7155 7290 7587 7875 7950 8430 8505 8586 9275 9450 9835 10017 10125 10206 11130 11802 11925 12150 12645 12879 13250 14050 14175 14310 14893 15174 15750 16695 17010 17703 18225 18550 19670 19875 20034 20250 21075 21465 22761 23625 23850 25290 25515 25758 27825 28350 29505 29786 30051 30375 33390 35125 35406 35775 36450 37935 38637 39750 42150 42525 42930 44679 45522 46375 47250 49175 50085 51030 53109 55650 59010 59625 60102 60750 63225 64395 68283 70250 70875 71550 74465 75870 77274 83475 85050 88515 89358 90153 91125 92750 98350 100170 104251 105375 106218 107325 113805 119250 126450 127575 128790 134037 136566 139125 141750 147525 148930 150255 159327 166950 177030 178875 180306 182250 189675 193185 204849 208502 210750 212625 214650 223395 227610 245875 250425 255150 265545 268074 270459 278250 295050 300510 312753 316125 318654 321975 341415 357750 372325 379350 386370 402111 409698 417375 425250 442575 446790 450765 477981 491750 500850 521255 531090 536625 540918 569025 625506 632250 637875 643950 670185 682830 737625 744650 751275 796635 804222 834750 885150 901530 938259 948375 955962 965925 1024245 1042510 1073250 1116975 1138050 1206333 1252125 1275750 1327725 1340370 1352295 1433943 1475250 1502550 1563765 1593270 1609875 1707075 1861625 1876518 1896750 1931850 2010555 2048490 2212875 2233950 2253825 2389905 2412666 2504250 2606275 2655450 2704590 2814777 2845125 2867886 3127530 3219750 3350925 3414150 3618999 3723250 3756375 3983175 4021110 4425750 4507650 4691295 4779810 4829625 5121225 5212550 5584875 5629554 5690250 6031665 6638625 6701850 6761475 7169715 7237998 7512750 7818825 7966350 8444331 8535375 9382590 9659250 10052775 10242450 10856997 11169750 11269125 11949525 12063330 13031375 13277250 13522950 14073885 14339430 15637650 16754625 16888662 17070750 18094995 19915875 20105550 21713994 22538250 23456475 23899050 25332993 25606125 26062750 28147770 30158325 33509250 33807375 35848575 36189990 39094125 39831750 42221655 46912950 50263875 50665986 51212250 54284985 59747625 60316650 67614750 70369425 71697150 75998979 78188250 84443310 90474975 100527750 108569970 117282375 119495250 126664965 140738850 150791625 151997958 179242875 180949950 211108275 234564750 253329930 271424925 301583250 351847125 358485750 379994895 422216550 452374875 542849850 633324825 703694250 759989790 904749750 1055541375 1266649650 1357124625 1899974475 2111082750 2714249250 3166624125 3799948950 6333248250 9499872375 18999744750
• Sum of all divisors σ(n): 62315899776
• Sum of proper divisors (its aliquot sum) s(n): 43316155026
• 18999744750 is an abundant number, because the sum of its proper divisors (43316155026) is greater than itself. Its abundance is 24316410276

Bases of 18999744750

• Binary: 10001101100011110010001100011101110₂
• Hexadecimal: 0x46C7918EE
• Base-36: 8Q7YGVI

Squares and roots of 18999744750

• 18999744750 squared (18999744750²) is 360990300565152562500
• 18999744750 cubed (18999744750³) is 6858723567963679432308421875000
• The square root of 18999744750 is 137839.5616287283
• The cube root of 18999744750 is 2668.3896993785

Scales and comparisons

• 18,999,744,750 seconds is equal to 604 years, 6 weeks, 6 days, 10 hours, 52 minutes, 30 seconds.
• To count from 1 to 18,999,744,750 would take you about one thousand, two hundred 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 18999744750 cubic inches would be around 222.4 feet tall.

Recreational maths with 18999744750

• 18999744750 backwards is 05744799981
• 18999744750 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18999744750's digits is 63
• More coming soon!