18134539920

Names of 18134539920

• Cardinal: 18134539920 can be written as Eighteen billion, one hundred thirty-four million, five hundred thirty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.813453992 × 10¹⁰

Factors of 18134539920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4333

Divisors of 18134539920

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 35 36 40 42 45 48 56 60 63 70 72 80 84 90 105 112 120 126 140 144 168 180 210 240 252 280 315 336 360 420 504 560 630 720 840 1008 1129 1260 1680 2258 2520 3187 3387 4516 5040 5645 6374 6774 7903 9032 9561 10161 11290 12748 13548 15806 15935 16935 18064 19122 20322 22309 22580 23709 25496 27096 28683 31612 31870 33870 38244 39515 40644 44618 45160 47418 47805 50805 50992 54192 57366 63224 63740 66927 67740 71127 76488 79030 81288 89236 90320 94836 95610 101610 111545 114732 118545 126448 127480 133854 135480 142254 143415 152976 158060 162576 178472 189672 191220 200781 203220 223090 229464 237090 254960 267708 270960 284508 286830 316120 334635 355635 356944 379344 382440 401562 406440 446180 458928 474180 535416 569016 573660 632240 669270 711270 764880 803124 812880 892360 948360 1003905 1070832 1138032 1147320 1338540 1422540 1606248 1784720 1896720 2007810 2294640 2677080 2845080 3212496 3598123 4015620 5354160 5690160 7196246 8031240 10794369 14392492 16062480 17990615 21588738 25186861 28784984 32383107 35981230 43177476 50373722 53971845 57569968 64766214 71962460 75560583 86354952 100747444 107943690 125934305 129532428 143924920 151121166 161915535 172709904 201494888 215887380 226681749 251868610 259064856 287849840 302242332 323831070 377802915 402989776 431774760 453363498 503737220 518129712 604484664 647662140 755605830 863549520 906726996 1007474440 1133408745 1208969328 1295324280 1511211660 1813453992 2014948880 2266817490 2590648560 3022423320 3626907984 4533634980 6044846640 9067269960 18134539920
• Sum of all divisors σ(n): 69685599360
• Sum of proper divisors (its aliquot sum) s(n): 51551059440
• 18134539920 is an abundant number, because the sum of its proper divisors (51551059440) is greater than itself. Its abundance is 33416519520

Bases of 18134539920

• Binary: 10000111000111001110001111010010000₂
• Hexadecimal: 0x438E71E90
• Base-36: 8BWU4K0

Squares and roots of 18134539920

• 18134539920 squared (18134539920²) is 328861538110073606400
• 18134539920 cubed (18134539920³) is 5963752691009731169399167488000
• The square root of 18134539920 is 134664.5458908915
• The cube root of 18134539920 is 2627.2547180157

Scales and comparisons

• 18,134,539,920 seconds is equal to 576 years, 32 weeks, 2 days, 12 hours, 12 minutes.
• To count from 1 to 18,134,539,920 would take you about one thousand, one hundred fifty-three 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 18134539920 cubic inches would be around 218.9 feet tall.

Recreational maths with 18134539920

• 18134539920 backwards is 02993543181
• 18134539920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18134539920's digits is 45
• More coming soon!