181813230144

Names of 181813230144

• Cardinal: 181813230144 can be written as One hundred eighty-one billion, eight hundred thirteen million, two hundred thirty thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 1.81813230144 × 10¹¹

Factors of 181813230144

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 182605

Divisors of 181813230144

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 19 21 24 26 28 32 36 38 39 42 48 52 56 57 63 64 72 76 78 84 91 96 104 112 114 117 126 133 144 152 156 168 171 182 192 208 224 228 234 247 252 266 273 288 304 312 336 342 364 399 416 448 456 468 494 504 532 546 576 608 624 672 684 728 741 798 819 832 912 936 988 1008 1064 1092 1197 1216 1248 1344 1368 1456 1482 1596 1638 1729 1824 1872 1976 2016 2128 2184 2223 2394 2496 2736 2912 2964 3192 3276 3458 3648 3744 3952 4032 4256 4368 4446 4788 5187 5472 5824 5928 6384 6552 6916 7488 7904 8512 8736 8892 9576 10374 10944 11856 12768 13104 13832 15561 15808 17472 17784 19152 20748 23712 25536 26208 27664 31122 35568 38304 41496 47424 52416 55328 62244 71136 76608 82992 110656 124488 142272 165984 182561 248976 331968 365122 497952 547683 730244 995904 1095366 1277927 1460488 1643049 2190732 2373293 2555854 2920976 3286098 3468659 3833781 4381464 4746586 5111708 5841952 6572196 6937318 7119879 7667562 8762928 9493172 10223416 10405977 11501343 11683904 13144392 13874636 14239758 15335124 16613051 17525856 18986344 20446832 20811954 21359637 23002686 24280613 26288784 27749272 28479516 30670248 31217931 33226102 35051712 37972688 40893664 41623908 42719274 45092567 46005372 48561226 49839153 52577568 55498544 56959032 61340496 62435862 66452204 72841839 75945376 81787328 83247816 85438548 90185134 92010744 97122452 99678306 105155136 110997088 113918064 122680992 124871724 132904408 135277701 145683678 149517459 151890752 166495632 170877096 180370268 184021488 194244904 199356612 218525517 221994176 227836128 245361984 249743448 265808816 270555402 291367356 299034918 315647969 332991264 341754192 360740536 368042976 388489808 398713224 405833103 437051034 455672256 499486896 531617632 541110804 582734712 598069836 631295938 665982528 683508384 721481072 736085952 776979616 797426448 811666206 874102068 946943907 998973792 1063235264 1082221608 1165469424 1196139672 1262591876 1367016768 1442962144 1553959232 1594852896 1623332412 1748204136 1893887814 1997947584 2164443216 2330938848 2392279344 2525183752 2840831721 2885924288 3189705792 3246664824 3496408272 3787775628 4328886432 4661877696 4784558688 5050367504 5681663442 6493329648 6992816544 7575551256 8657772864 9569117376 10100735008 11363326884 12986659296 13985633088 15151102512 20201470016 22726653768 25973318592 30302205024 45453307536 60604410048 90906615072 181813230144
• Sum of all divisors σ(n): 675158090880
• Sum of proper divisors (its aliquot sum) s(n): 493344860736
• 181813230144 is an abundant number, because the sum of its proper divisors (493344860736) is greater than itself. Its abundance is 311531630592

Bases of 181813230144

• Binary: 10101001010100111010011011101001000000₂
• Hexadecimal: 0x2A54E9BA40
• Base-36: 2BIUWI80

Squares and roots of 181813230144

• 181813230144 squared (181813230144²) is 33056050655395110260736
• 181813230144 cubed (181813230144³) is 6010027345461073217087450214825984
• The square root of 181813230144 is 426395.6263190325
• The cube root of 181813230144 is 5665.1119202145

Scales and comparisons

• 181,813,230,144 seconds is equal to 5,781 years, 5 weeks, 19 hours, 2 minutes, 24 seconds.
• To count from 1 to 181,813,230,144 would take you about eleven thousand, five 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 181813230144 cubic inches would be around 472.1 feet tall.

Recreational maths with 181813230144

• 181813230144 backwards is 441032318181
• 181813230144 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 181813230144's digits is 36
• More coming soon!