18139954560

Names of 18139954560

• Cardinal: 18139954560 can be written as Eighteen billion, one hundred thirty-nine million, nine hundred fifty-four thousand, five hundred sixty.

Scientific notation

• Scientific notation: 1.813995456 × 10¹⁰

Factors of 18139954560

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 77

Divisors of 18139954560

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 32 35 39 40 42 47 48 52 56 60 64 65 70 78 80 84 91 94 96 104 105 112 120 128 130 140 141 156 160 168 182 188 192 195 208 210 224 235 240 260 273 280 282 312 320 329 336 364 376 384 390 416 420 448 455 470 480 520 546 560 564 611 624 640 658 672 705 728 752 780 832 840 896 910 940 960 987 1040 1092 1120 1128 1222 1248 1316 1344 1365 1410 1456 1504 1560 1645 1664 1680 1820 1833 1880 1920 1974 2080 2184 2209 2240 2256 2444 2496 2632 2688 2730 2820 2912 3008 3055 3120 3290 3360 3640 3666 3760 3948 4160 4277 4368 4418 4480 4512 4888 4935 4992 5264 5460 5640 5824 6016 6110 6240 6580 6627 6720 7280 7332 7520 7896 8320 8554 8736 8836 9024 9165 9776 9870 10528 10920 11045 11280 11648 12220 12480 12831 13160 13254 13440 14560 14664 15040 15463 15792 17108 17472 17672 18048 18330 19552 19740 21056 21385 21840 22090 22560 24440 24960 25662 26320 26508 28717 29120 29328 30080 30926 31584 33135 34216 34944 35344 36660 39104 39480 42112 42770 43680 44180 45120 46389 48880 51324 52640 53016 57434 58240 58656 61852 63168 64155 66270 68432 70688 73320 77315 78208 78960 85540 86151 87360 88360 90240 92778 97760 102648 103823 105280 106032 114868 117312 123704 126336 128310 132540 136864 141376 143585 146640 154630 157920 171080 172302 174720 176720 185556 195520 201019 205296 207646 210560 212064 229736 231945 234624 247408 256620 265080 273728 282752 287170 293280 309260 311469 315840 342160 344604 353440 371112 391040 402038 410592 415292 424128 430755 459472 463890 494816 513240 519115 530160 547456 574340 586560 603057 618520 622938 631680 684320 689208 706880 726761 742224 804076 821184 830584 848256 861510 918944 927780 989632 1005095 1026480 1038230 1060320 1148680 1173120 1206114 1237040 1245876 1349699 1368640 1378416 1413760 1453522 1484448 1557345 1608152 1642368 1661168 1723020 1837888 1855560 1979264 2010190 2052960 2076460 2120640 2180283 2297360 2412228 2474080 2491752 2699398 2737280 2756832 2907044 2968896 3015285 3114690 3216304 3322336 3446040 3633805 3675776 3711120 4020380 4049097 4105920 4152920 4241280 4360566 4594720 4824456 4948160 4983504 5398796 5513664 5814088 5937792 6030570 6229380 6432608 6644672 6748495 6892080 7267610 7422240 8040760 8098194 8211840 8305840 8721132 9189440 9447893 9648912 9896320 9967008 10797592 10901415 11027328 11628176 12061140 12458760 12865216 13289344 13496990 13784160 14535220 14844480 16081520 16196388 16611680 17442264 18378880 18895786 19297824 19934016 20245485 21595184 21802830 23256352 24122280 24917520 25730432 26993980 27568320 28343679 29070440 29688960 32163040 32392776 33223360 34884528 37791572 38595648 39868032 40490970 43190368 43605660 46512704 47239465 48244560 49835040 53987960 55136640 56687358 58140880 64326080 64785552 66446720 69769056 75583144 77191296 80981940 86380736 87211320 93025408 94478930 96489120 99670080 107975920 113374716 116281760 128652160 129571104 139538112 141718395 151166288 161963880 172761472 174422640 188957860 192978240 199340160 215951840 226749432 232563520 259142208 279076224 283436790 302332576 323927760 348845280 377915720 385956480 431903680 453498864 465127040 518284416 566873580 604665152 647855520 697690560 755831440 863807360 906997728 1133747160 1209330304 1295711040 1395381120 1511662880 1813995456 2267494320 2591422080 3023325760 3627990912 4534988640 6046651520 9069977280 18139954560
• Sum of all divisors σ(n): 72711475200
• Sum of proper divisors (its aliquot sum) s(n): 54571520640
• 18139954560 is an abundant number, because the sum of its proper divisors (54571520640) is greater than itself. Its abundance is 36431566080

Bases of 18139954560

• Binary: 10000111001001110011011110110000000₂
• Hexadecimal: 0x43939BD80
• Base-36: 8C026IO

Squares and roots of 18139954560

• 18139954560 squared (18139954560²) is 329057951438864793600
• 18139954560 cubed (18139954560³) is 5969096286707693973887778816000
• The square root of 18139954560 is 134684.6485684245
• The cube root of 18139954560 is 2627.5161753037

Scales and comparisons

• 18,139,954,560 seconds is equal to 576 years, 41 weeks, 2 days, 4 hours, 16 minutes.
• To count from 1 to 18,139,954,560 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 18139954560 cubic inches would be around 219 feet tall.

Recreational maths with 18139954560

• 18139954560 backwards is 06545993181
• The number of decimal digits it has is: 11
• The sum of 18139954560's digits is 51
• More coming soon!