18486745020

Names of 18486745020

• Cardinal: 18486745020 can be written as Eighteen billion, four hundred eighty-six million, seven hundred forty-five thousand and twenty.

Scientific notation

• Scientific notation: 1.848674502 × 10¹⁰

Factors of 18486745020

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 327

Divisors of 18486745020

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 19 20 27 30 36 38 41 45 54 57 60 76 81 82 90 95 108 114 123 135 162 164 171 180 190 205 228 243 246 257 270 285 324 342 361 369 380 405 410 486 492 513 514 540 570 615 684 722 738 771 779 810 820 855 972 1026 1028 1083 1107 1140 1215 1230 1285 1444 1476 1539 1542 1558 1620 1710 1805 1845 2052 2166 2214 2313 2337 2430 2460 2565 2570 3078 3084 3116 3249 3321 3420 3610 3690 3855 3895 4332 4428 4617 4626 4674 4860 4883 5130 5140 5415 5535 6156 6498 6642 6939 7011 7220 7380 7695 7710 7790 9234 9252 9348 9747 9766 9963 10260 10537 10830 11070 11565 11685 12996 13284 13878 14022 14649 14801 15390 15420 15580 16245 16605 18468 19494 19532 19926 20817 21033 21074 21660 22140 23085 23130 23370 24415 27756 28044 29241 29298 29602 30780 31611 32490 33210 34695 35055 38988 39852 41634 42066 42148 43947 44403 46170 46260 46740 48735 48830 49815 52685 58482 58596 59204 62451 63099 63222 64980 66420 69390 70110 73245 74005 83268 84132 87723 87894 88806 92340 92777 94833 97470 97660 99630 104085 105165 105370 116964 124902 126198 126444 131841 133209 138780 140220 146205 146490 148010 158055 175446 175788 177612 185554 189297 189666 194940 199260 200203 208170 210330 210740 219735 222015 249804 252396 263682 266418 278331 284499 292410 292980 296020 312255 315495 316110 350892 371108 378594 379332 395523 399627 400406 416340 420660 438615 439470 444030 463885 474165 527364 532836 556662 568998 584820 600609 624510 630990 632220 659205 666045 757188 791046 799254 800812 834993 853497 877230 878940 888060 927770 946485 948330 1001015 1113324 1137996 1186569 1198881 1201218 1249020 1261980 1318410 1332090 1391655 1422495 1582092 1598508 1669986 1706994 1754460 1801827 1855540 1892970 1896660 1977615 1998135 2002030 2373138 2397762 2402436 2504979 2560491 2636820 2664180 2783310 2844990 3003045 3339972 3413988 3596643 3603654 3785940 3803857 3955230 3996270 4004060 4174965 4267485 4746276 4795524 5009958 5120982 5405481 5566620 5689980 5932845 5994405 6006090 7193286 7207308 7514937 7607714 7910460 7992540 8349930 8534970 9009135 10019916 10241964 10810962 11411571 11865690 11988810 12012180 12524895 12802455 14386572 15029874 15215428 16216443 16699860 17069940 17983215 18018270 19019285 21621924 22544811 22823142 23731380 23977620 25049790 25604910 27027405 30059748 32432886 34234713 35966430 36036540 37574685 38038570 45089622 45646284 48649329 50099580 51209820 54054810 57057855 64865772 68469426 71932860 75149370 76077140 81082215 90179244 97298658 102704139 108109620 112724055 114115710 136938852 150298740 162164430 171173565 194597316 205408278 225448110 228231420 243246645 308112417 324328860 342347130 410816556 450896220 486493290 513520695 616224834 684694260 924337251 972986580 1027041390 1232449668 1540562085 1848674502 2054082780 3081124170 3697349004 4621686255 6162248340 9243372510 18486745020
• Sum of all divisors σ(n): 63116752608
• Sum of proper divisors (its aliquot sum) s(n): 44630007588
• 18486745020 is an abundant number, because the sum of its proper divisors (44630007588) is greater than itself. Its abundance is 26143262568

Bases of 18486745020

• Binary: 10001001101111001010101011110111100₂
• Hexadecimal: 0x44DE557BC
• Base-36: 8HQJ3R0

Squares and roots of 18486745020

• 18486745020 squared (18486745020²) is 341759741434494800400
• 18486745020 cubed (18486745020³) is 6318025198000634407510594008000
• The square root of 18486745020 is 135965.9700807521
• The cube root of 18486745020 is 2644.1544351847

Scales and comparisons

• 18,486,745,020 seconds is equal to 587 years, 42 weeks, 4 days, 22 hours, 57 minutes.
• To count from 1 to 18,486,745,020 would take you about one thousand, one hundred seventy-five 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 18486745020 cubic inches would be around 220.3 feet tall.

Recreational maths with 18486745020

• 18486745020 backwards is 02054768481
• 18486745020 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18486745020's digits is 45
• More coming soon!