181828169172

Names of 181828169172

• Cardinal: 181828169172 can be written as One hundred eighty-one billion, eight hundred twenty-eight million, one hundred sixty-nine thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 1.81828169172 × 10¹¹

Factors of 181828169172

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1627

Divisors of 181828169172

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 27 29 31 36 39 52 54 58 62 78 81 87 93 108 116 117 124 156 162 174 186 234 261 279 324 348 351 372 377 403 468 522 558 702 754 783 806 837 899 961 1044 1053 1116 1131 1209 1404 1508 1549 1566 1612 1674 1798 1922 2106 2262 2349 2418 2511 2697 2883 3098 3132 3348 3393 3596 3627 3844 4212 4524 4647 4698 4836 5022 5394 5766 6196 6786 7254 8091 8649 9294 9396 10044 10179 10788 10881 11532 11687 12493 13572 13941 14508 16182 17298 18588 20137 20358 21762 23374 24273 24986 25947 27869 27882 30537 32364 32643 34596 35061 37479 40274 40716 41823 43524 44921 46748 48019 48546 49972 51894 55738 55764 60411 61074 65286 70122 72819 74958 77841 80548 83607 83646 89842 96038 97092 103788 105183 111476 112437 120822 122148 125469 130572 134763 140244 144057 145638 149916 155682 167214 167292 179684 181233 192076 210366 224874 241644 250821 250938 269526 288114 291276 311364 315549 334428 337311 362297 362466 404289 420732 432171 449748 501642 501876 539052 543699 576228 583973 624247 631098 674622 724594 724932 752463 808578 864342 946647 1003284 1011933 1086891 1087398 1167946 1212867 1248494 1262196 1296513 1349244 1392551 1449188 1488589 1504926 1617156 1631097 1728684 1751919 1872741 1893294 2023866 2173782 2174796 2257389 2335892 2425734 2496988 2593026 2785102 2977178 3009852 3260673 3262194 3503838 3638601 3745482 3786588 3889539 4047732 4177653 4347564 4465767 4514778 4851468 5186052 5255757 5570204 5618223 5954356 6521346 6524388 7007676 7277202 7490964 7779078 8355306 8931534 9029556 9782019 10511514 11236446 12532959 13042692 13397301 14554404 15558156 15767271 16710612 16854669 17863068 18103163 19351657 19564038 21023028 22472892 25065918 26794602 29346057 31534542 33709338 36206326 37598877 38703314 39128076 40191903 43169081 47301813 50131836 50564007 53589204 54309489 58054971 58692114 63069084 67418676 72412652 75197754 77406628 80383806 86338162 94603626 101128014 108618978 112796631 116109942 117384228 120575709 129507243 150395508 160767612 162928467 172676324 174164913 189207252 202256028 217237956 225593262 232219884 241151418 259014486 325856934 348329826 388521729 451186524 482302836 488785401 518028972 522494739 561198053 651713868 696659652 777043458 977570802 1044989478 1122396106 1165565187 1466356203 1554086916 1567484217 1683594159 1955141604 2089978956 2244792212 2331130374 2932712406 3134968434 3367188318 3496695561 4662260748 5050782477 5865424812 6269936868 6734376636 6993391122 10101564954 13986782244 15152347431 20203129908 30304694862 45457042293 60609389724 90914084586 181828169172
• Sum of all divisors σ(n): 547537221000
• Sum of proper divisors (its aliquot sum) s(n): 365709051828
• 181828169172 is an abundant number, because the sum of its proper divisors (365709051828) is greater than itself. Its abundance is 183880882656

Bases of 181828169172

• Binary: 10101001010101110011011010110111010100₂
• Hexadecimal: 0x2A55CDADD4
• Base-36: 2BJ3SP90

Squares and roots of 181828169172

• 181828169172 squared (181828169172²) is 33061483104441451165584
• 181828169172 cubed (181828169172³) is 6011508942991599927104984136176448
• The square root of 181828169172 is 426413.1437608367
• The cube root of 181828169172 is 5665.2670775111

Scales and comparisons

• 181,828,169,172 seconds is equal to 5,781 years, 29 weeks, 5 days, 16 hours, 46 minutes, 12 seconds.
• To count from 1 to 181,828,169,172 would take you about eleven thousand, five hundred sixty-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 181828169172 cubic inches would be around 472.1 feet tall.

Recreational maths with 181828169172

• 181828169172 backwards is 271961828181
• 181828169172 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 181828169172's digits is 54
• More coming soon!