18148906440

Names of 18148906440

• Cardinal: 18148906440 can be written as Eighteen billion, one hundred forty-eight million, nine hundred six thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.814890644 × 10¹⁰

Factors of 18148906440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 82827

Divisors of 18148906440

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 27 28 29 30 35 36 40 42 45 54 56 58 60 63 70 72 84 87 90 105 108 116 120 126 135 140 145 168 174 180 189 203 210 216 232 252 261 270 280 290 315 348 360 378 406 420 435 504 522 540 580 609 630 696 756 783 812 840 870 945 1015 1044 1080 1160 1218 1260 1305 1512 1566 1624 1740 1827 1890 2030 2088 2436 2520 2610 3045 3132 3480 3654 3780 3915 4060 4872 5220 5481 6090 6264 7308 7560 7830 8120 9135 10440 10962 12180 14616 15660 18270 21924 24360 27405 31320 36540 43848 54810 73080 82781 109620 165562 219240 248343 331124 413905 496686 579467 662248 745029 827810 993372 1158934 1241715 1490058 1655620 1738401 1986744 2235087 2317868 2400649 2483430 2897335 2980116 3311240 3476802 3725145 4470174 4635736 4801298 4966860 5215203 5794670 5960232 6953604 7201947 7450290 8692005 8940348 9602596 9933720 10430406 11175435 11589340 12003245 13907208 14403894 14900580 15645609 16804543 17384010 17880696 19205192 20860812 21605841 22350870 23178680 24006490 26076015 28807788 29801160 31291218 33609086 34768020 36009735 41721624 43211682 44701740 48012980 50413629 52152030 57615576 62582436 64817523 67218172 69536040 72019470 78228045 84022715 86423364 89403480 96025960 100827258 104304060 108029205 125164872 129635046 134436344 144038940 151240887 156456090 168045430 172846728 201654516 208608120 216058410 252068145 259270092 288077880 302481774 312912180 324087615 336090860 403309032 432116820 453722661 504136290 518540184 604963548 625824360 648175230 672181720 756204435 864233640 907445322 1008272580 1209927096 1296350460 1512408870 1814890644 2016545160 2268613305 2592700920 3024817740 3629781288 4537226610 6049635480 9074453220 18148906440
• Sum of all divisors σ(n): 71523648000
• Sum of proper divisors (its aliquot sum) s(n): 53374741560
• 18148906440 is an abundant number, because the sum of its proper divisors (53374741560) is greater than itself. Its abundance is 35225835120

Bases of 18148906440

• Binary: 10000111001110000100101010111001000₂
• Hexadecimal: 0x439C255C8
• Base-36: 8C5E1U0

Squares and roots of 18148906440

• 18148906440 squared (18148906440²) is 329382804967873473600
• 18148906440 cubed (18148906440³) is 5977937710306702878124209984000
• The square root of 18148906440 is 134717.8772101165
• The cube root of 18148906440 is 2627.9483215793

Scales and comparisons

• 18,148,906,440 seconds is equal to 577 years, 4 weeks, 18 hours, 54 minutes.
• To count from 1 to 18,148,906,440 would take you about one thousand, one hundred fifty-four 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 18148906440 cubic inches would be around 219 feet tall.

Recreational maths with 18148906440

• 18148906440 backwards is 04460984181
• 18148906440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18148906440's digits is 45
• More coming soon!