18287485020

Names of 18287485020

• Cardinal: 18287485020 can be written as Eighteen billion, two hundred eighty-seven million, four hundred eighty-five thousand and twenty.

Scientific notation

• Scientific notation: 1.828748502 × 10¹⁰

Factors of 18287485020

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1931

Divisors of 18287485020

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 41 42 45 49 54 60 63 70 81 82 84 90 98 105 108 123 126 135 140 147 162 164 180 189 196 205 210 243 245 246 252 270 287 294 315 324 369 378 405 410 420 441 486 490 492 540 567 574 588 615 630 735 738 756 810 820 861 882 945 972 980 1107 1134 1148 1215 1230 1260 1323 1435 1470 1476 1620 1701 1722 1764 1845 1873 1890 2009 2205 2214 2268 2430 2460 2583 2646 2835 2870 2940 3321 3402 3444 3690 3746 3780 3969 4018 4305 4410 4428 4860 5166 5292 5535 5619 5670 5740 6027 6615 6642 6804 7380 7492 7749 7938 8036 8505 8610 8820 9365 9963 10045 10332 11070 11238 11340 11907 12054 12915 13111 13230 13284 15498 15876 16605 16857 17010 17220 18081 18730 19845 19926 20090 22140 22476 23247 23814 24108 25830 26222 26460 28095 30135 30996 33210 33714 34020 36162 37460 38745 39333 39690 39852 40180 46494 47628 49815 50571 51660 52444 54243 56190 59535 60270 65555 66420 67428 69741 72324 76793 77490 78666 79380 84285 90405 91777 92988 99630 101142 108486 112380 116235 117999 119070 120540 131110 139482 151713 153586 154980 157332 162729 168570 180810 183554 196665 199260 202284 216972 230379 232470 235998 238140 252855 262220 271215 275331 278964 303426 307172 325458 337140 348705 353997 361620 367108 383965 393330 455139 458885 460758 464940 471996 488187 505710 537551 542430 550662 589995 606852 650916 691137 697410 707994 758565 767930 786660 813645 825993 910278 917770 921516 976374 1011420 1061991 1075102 1084860 1101324 1151895 1179990 1376655 1382274 1394820 1415988 1517130 1535860 1612653 1627290 1651986 1769985 1820556 1835540 1952748 2073411 2123982 2150204 2275695 2303790 2359980 2440935 2477979 2687755 2753310 2764548 3034260 3185973 3225306 3254580 3303972 3455685 3539970 3762857 4129965 4146822 4247964 4551390 4607580 4837959 4881870 4955958 5309955 5375510 5506620 6220233 6371946 6450612 6911370 7079940 7433937 7525714 8063265 8259930 8293644 9102780 9675918 9763740 9911916 10367055 10619910 10751020 11288571 12389895 12440466 12743892 13822740 14513877 14867874 15051428 15929865 16126530 16519860 18660699 18814285 19351836 20734110 21239820 22301811 22577142 24189795 24779790 24880932 29027754 29735748 31101165 31859730 32253060 33865713 37169685 37321398 37628570 41468220 43541631 44603622 45154284 48379590 49559580 56442855 58055508 62202330 63719460 67731426 72569385 74339370 74642796 75257140 87083262 89207244 93303495 96759180 101597139 111509055 112885710 124404660 130624893 135462852 145138770 148678740 169328565 174166524 186606990 203194278 217708155 223018110 225771420 261249786 290277540 304791417 338657130 373213980 406388556 435416310 446036220 507985695 522499572 609582834 653124465 677314260 870832620 914374251 1015971390 1219165668 1306248930 1523957085 1828748502 2031942780 2612497860 3047914170 3657497004 4571871255 6095828340 9143742510 18287485020
• Sum of all divisors σ(n): 68587410528
• Sum of proper divisors (its aliquot sum) s(n): 50299925508
• 18287485020 is an abundant number, because the sum of its proper divisors (50299925508) is greater than itself. Its abundance is 32012440488

Bases of 18287485020

• Binary: 10001000010000001001110000001011100₂
• Hexadecimal: 0x44204E05C
• Base-36: 8EFW9R0

Squares and roots of 18287485020

• 18287485020 squared (18287485020²) is 334432108356724400400
• 18287485020 cubed (18287485020³) is 6115922171780614288583482008000
• The square root of 18287485020 is 135231.2279763813
• The cube root of 18287485020 is 2634.6200614719

Scales and comparisons

• 18,287,485,020 seconds is equal to 581 years, 25 weeks, 1 day, 16 hours, 57 minutes.
• To count from 1 to 18,287,485,020 would take you about one thousand, one hundred sixty-two 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 18287485020 cubic inches would be around 219.6 feet tall.

Recreational maths with 18287485020

• 18287485020 backwards is 02058478281
• 18287485020 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18287485020's digits is 45
• More coming soon!