18669640080

Names of 18669640080

• Cardinal: 18669640080 can be written as Eighteen billion, six hundred sixty-nine million, six hundred forty thousand and eighty.

Scientific notation

• Scientific notation: 1.866964008 × 10¹⁰

Factors of 18669640080

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 210

Divisors of 18669640080

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 35 39 40 42 48 52 53 56 60 65 70 78 80 84 91 104 105 106 112 120 127 130 140 156 159 168 182 195 208 210 212 240 254 260 265 273 280 312 318 336 364 371 381 390 420 424 455 508 520 530 546 560 624 635 636 689 728 742 762 780 795 840 848 889 910 1016 1040 1060 1092 1113 1270 1272 1365 1378 1456 1484 1524 1560 1590 1651 1680 1778 1820 1855 1905 2032 2067 2120 2184 2226 2540 2544 2667 2730 2756 2968 3048 3120 3180 3302 3445 3556 3640 3710 3810 4134 4240 4368 4445 4452 4823 4953 5080 5334 5460 5512 5565 5936 6096 6360 6604 6731 6890 7112 7280 7420 7620 8255 8268 8890 8904 9646 9906 10160 10335 10668 10920 11024 11130 11557 12720 13208 13335 13462 13780 14224 14469 14840 15240 16129 16510 16536 17780 17808 19292 19812 20193 20670 21336 21840 22260 23114 24115 24765 26416 26670 26924 27560 28938 29680 30480 32258 33020 33072 33655 34671 35560 38584 39624 40386 41340 42672 44520 46228 47117 48230 48387 49530 53340 53848 55120 57785 57876 64516 66040 67310 69342 71120 72345 77168 79248 80645 80772 82680 87503 89040 92456 94234 96460 96774 99060 100965 106680 107696 112903 115570 115752 129032 132080 134620 138684 141351 144690 161290 161544 165360 173355 175006 184912 188468 192920 193548 198120 201930 209677 213360 225806 231140 231504 235585 241935 258064 262509 269240 277368 282702 289380 322580 323088 338709 346710 350012 376936 385840 387096 396240 403860 419354 437515 451612 462280 471170 483870 525018 538480 554736 564515 565404 578760 612521 629031 645160 677418 693420 700024 706755 753872 774192 807720 838708 854837 875030 903224 924560 942340 967740 1048385 1050036 1129030 1130808 1157520 1225042 1258062 1290320 1312545 1354836 1386840 1400048 1413510 1467739 1615440 1677416 1693545 1709674 1750060 1806448 1837563 1884680 1935480 2096770 2100072 2258060 2261616 2450084 2516124 2564511 2625090 2709672 2773680 2827020 2935478 3062605 3145155 3354832 3387090 3419348 3500120 3675126 3769360 3870960 4193540 4200144 4274185 4403217 4516120 4900168 5032248 5129022 5250180 5419344 5654040 5870956 5983859 6125210 6290310 6774180 6838696 7000240 7338695 7350252 8387080 8548370 8806434 9032240 9187815 9800336 10064496 10258044 10500360 11112881 11308080 11741912 11967718 12250420 12580620 12822555 13548360 13677392 14677390 14700504 16774160 17096740 17612868 17951577 18375630 20516088 21000720 22016085 22225762 23483824 23935436 24500840 25161240 25645110 27096720 29354780 29401008 29919295 33338643 34193480 35225736 35903154 36751260 41032176 44032170 44451524 47870872 49001680 50322480 51290220 55564405 58709560 59838590 66677286 68386960 70451472 71806308 73502520 77790167 88064340 88903048 89757885 95741744 102580440 111128810 117419120 119677180 133354572 143612616 147005040 155580334 166693215 176128680 177806096 179515770 205160880 222257620 233370501 239354360 266709144 287225232 311160668 333386430 352257360 359031540 388950835 444515240 466741002 478708720 533418288 622321336 666772860 718063080 777901670 889030480 933482004 1166852505 1244642672 1333545720 1436126160 1555803340 1866964008 2333705010 2667091440 3111606680 3733928016 4667410020 6223213360 9334820040 18669640080
• Sum of all divisors σ(n): 73151817984
• Sum of proper divisors (its aliquot sum) s(n): 54482177904
• 18669640080 is an abundant number, because the sum of its proper divisors (54482177904) is greater than itself. Its abundance is 35812537824

Bases of 18669640080

• Binary: 10001011000110011000001100110010000₂
• Hexadecimal: 0x458CC1990
• Base-36: 8KRF6HC

Squares and roots of 18669640080

• 18669640080 squared (18669640080²) is 348555460716742406400
• 18669640080 cubed (18669640080³) is 6507404999500159557561088512000
• The square root of 18669640080 is 136636.8913580809
• The cube root of 18669640080 is 2652.8456475691

Scales and comparisons

• 18,669,640,080 seconds is equal to 593 years, 33 weeks, 19 hours, 8 minutes.
• To count from 1 to 18,669,640,080 would take you about one thousand, one hundred eighty-seven 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 18669640080 cubic inches would be around 221.1 feet tall.

Recreational maths with 18669640080

• 18669640080 backwards is 08004696681
• 18669640080 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18669640080's digits is 48
• More coming soon!