18162220440

Names of 18162220440

• Cardinal: 18162220440 can be written as Eighteen billion, one hundred sixty-two million, two hundred twenty thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.816222044 × 10¹⁰

Factors of 18162220440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 403

Divisors of 18162220440

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 20 21 24 26 28 30 35 39 40 42 49 52 56 60 65 70 78 84 91 98 104 105 120 130 140 147 156 168 169 182 195 196 210 245 260 273 280 294 312 338 343 364 373 390 392 420 455 490 507 520 546 588 637 676 686 728 735 746 780 840 845 910 980 1014 1029 1092 1119 1176 1183 1274 1352 1365 1372 1470 1492 1560 1690 1715 1820 1865 1911 1960 2028 2058 2184 2238 2366 2401 2535 2548 2611 2730 2744 2940 2984 3185 3380 3430 3549 3640 3730 3822 4056 4116 4459 4476 4732 4802 4849 5070 5096 5145 5222 5460 5595 5880 5915 6370 6760 6860 7098 7203 7460 7644 7833 8232 8281 8918 8952 9464 9555 9604 9698 10140 10290 10444 10920 11190 11830 12005 12740 13055 13377 13720 14196 14406 14547 14920 15288 15666 16562 17745 17836 18277 19110 19208 19396 20280 20580 20888 22295 22380 23660 24010 24245 24843 25480 26110 26754 28392 28812 29094 31213 31332 33124 33943 35490 35672 36015 36554 38220 38792 39165 41160 41405 44590 44760 47320 48020 48490 49686 52220 53508 54831 57624 57967 58188 62426 62664 63037 66248 66885 67886 70980 72030 72735 73108 76440 78330 82810 89180 91385 93639 96040 96980 99372 101829 104440 107016 109662 115934 116376 124215 124852 126074 127939 133770 135772 141960 144060 145470 146216 156065 156660 165620 169715 173901 178360 182770 187278 189111 193960 198744 203658 219324 231868 237601 248430 249704 252148 255878 267540 271544 274155 288120 289835 290940 312130 313320 315185 331240 339430 347802 365540 374556 378222 383817 405769 407316 438648 441259 463736 468195 475202 496860 504296 509145 511756 535080 548310 579670 581880 624260 630370 639695 678860 695604 712803 731080 749112 756444 767634 811538 814632 869505 882518 895573 936390 945555 950404 993720 1018290 1023512 1096620 1159340 1188005 1217307 1248520 1260740 1279390 1323777 1357720 1391208 1425606 1512888 1535268 1623076 1663207 1739010 1765036 1791146 1872780 1891110 1900808 1919085 2028845 2036580 2193240 2206295 2318680 2376010 2434614 2521480 2558780 2647554 2686719 2851212 3070536 3088813 3246152 3326414 3478020 3530072 3564015 3582292 3745560 3782220 3838170 4057690 4073160 4412590 4477865 4752020 4869228 4989621 5117560 5295108 5373438 5702424 6086535 6177626 6618885 6652828 6956040 7128030 7164584 7564440 7676340 8115380 8316035 8825180 8955730 9266439 9504040 9738456 9979242 10590216 10746876 11642449 12173070 12355252 13237770 13305656 13433595 14256060 15352680 15444065 16230760 16632070 17650360 17911460 18532878 19958484 21493752 21621691 23284898 24346140 24710504 24948105 26475540 26867190 28512120 30888130 33264140 34927347 35822920 37065756 39916968 43243382 46332195 46569796 48692280 49896210 52951080 53734380 58212245 61776260 64865073 66528280 69854694 74131512 86486764 92664390 93139592 99792420 107468760 108108455 116424490 123552520 129730146 139709388 151351837 172973528 174636735 185328780 199584840 216216910 232848980 259460292 279418776 302703674 324325365 349273470 370657560 432433820 454055511 465697960 518920584 605407348 648650730 698546940 756759185 864867640 908111022 1210814696 1297301460 1397093880 1513518370 1816222044 2270277555 2594602920 3027036740 3632444088 4540555110 6054073480 9081110220 18162220440
• Sum of all divisors σ(n): 69014175120
• Sum of proper divisors (its aliquot sum) s(n): 50851954680
• 18162220440 is an abundant number, because the sum of its proper divisors (50851954680) is greater than itself. Its abundance is 32689734240

Bases of 18162220440

• Binary: 10000111010100011010111110110011000₂
• Hexadecimal: 0x43A8D7D98
• Base-36: 8CDBEZC

Squares and roots of 18162220440

• 18162220440 squared (18162220440²) is 329866251311153793600
• 18162220440 cubed (18162220440³) is 5991103572029614230105461184000
• The square root of 18162220440 is 134767.2825280677
• The cube root of 18162220440 is 2628.5907836421

Scales and comparisons

• 18,162,220,440 seconds is equal to 577 years, 26 weeks, 21 hours, 14 minutes.
• To count from 1 to 18,162,220,440 would take you about one thousand, one hundred fifty-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 18162220440 cubic inches would be around 219 feet tall.

Recreational maths with 18162220440

• 18162220440 backwards is 04402226181
• 18162220440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18162220440's digits is 30
• More coming soon!