161738651322144

Names of 161738651322144

• Cardinal: 161738651322144 can be written as One hundred sixty-one trillion, seven hundred thirty-eight billion, six hundred fifty-one million, three hundred twenty-two thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 1.61738651322144 × 10¹⁴

Factors of 161738651322144

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 15825

Divisors of 161738651322144

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 72 78 96 104 117 144 156 169 208 234 288 307 312 338 416 468 507 614 624 676 733 921 936 1014 1228 1248 1352 1466 1521 1842 1872 2028 2199 2456 2704 2763 2932 3042 3684 3744 3991 4056 4398 4912 5408 5526 5864 6084 6597 7368 7982 8112 8796 9529 9824 11052 11728 11973 12168 13194 14736 14767 15964 16224 17592 19058 22104 23456 23946 24336 26388 28587 29472 29534 31928 35184 35919 38116 44208 44301 47892 48672 51883 52776 57174 59068 63856 70368 71838 76232 85761 88416 88602 95784 103766 105552 114348 118136 123877 127712 132903 143676 152464 155649 171522 177204 191568 191971 207532 211104 225031 228696 236272 247754 265806 287352 304928 311298 343044 354408 371631 383136 383942 415064 450062 457392 466947 472544 495508 531612 574704 575913 622596 675093 686088 708816 743262 767884 830128 900124 914784 933894 991016 1063224 1114893 1149408 1151826 1245192 1350186 1372176 1417632 1486524 1535768 1660256 1727739 1800248 1867788 1982032 2025279 2126448 2229786 2303652 2490384 2495623 2700372 2744352 2925403 2973048 3071536 3455478 3600496 3735576 3964064 4050558 4252896 4459572 4533469 4607304 4980768 4991246 5400744 5850806 5946096 6143072 6910956 7200992 7471152 7486869 8101116 8776209 8919144 9066938 9214608 9982492 10801488 10824211 11701612 11892192 13600407 13821912 14942304 14973738 16202232 17552418 17838288 18133876 18429216 19964984 21602976 21648422 22460607 23403224 26328627 27200814 27643824 29947476 32404464 32472633 35104836 35676576 36267752 38030239 39929968 40801221 43296844 44921214 46806448 52657254 54401628 55287648 58935097 59894952 64808928 64945266 70209672 72535504 76060478 79859936 81602442 86593688 89842428 93612896 97417899 105314508 108803256 114090717 117870194 119789904 129890532 140419344 140714743 145071008 152120956 163204884 173187376 176805291 179684856 194835798 210629016 217606512 228181434 235740388 239579808 259781064 280838688 281429486 304241912 326409768 342272151 346374752 353610582 359369712 389671596 421258032 422144229 435213024 456362868 471480776 519562128 530415873 562858972 608483824 652819536 684544302 707221164 718739424 766156261 779343192 842516064 844288458 912725736 942961552 1039124256 1060831746 1125717944 1216967648 1266432687 1305639072 1369088604 1414442328 1532312522 1558686384 1688576916 1825451472 1829291659 1885923104 2121663492 2251435888 2298468783 2532865374 2738177208 2828884656 3064625044 3117372768 3323032777 3377153832 3650902944 3658583318 4243326984 4502871776 4596937566 5065730748 5476354416 5487874977 5657769312 6129250088 6646065554 6754307664 6895406349 7317166636 8486653968 9193875132 9969098331 10131461496 10952708832 10975749954 12258500176 13292131108 13508615328 13790812698 14634333272 16463624931 16973307936 18387750264 19938196662 20262922992 21951499908 24517000352 26584262216 27581625396 29268666544 29907294993 32927249862 36775500528 39876393324 40525845984 43199426101 43902999816 53168524432 55163250792 58537333088 59814589986 65854499724 73551001056 79752786648 86398852202 87805999632 106337048864 110326501584 119629179972 129598278303 131708999448 159505573296 172797704404 175611999264 220653003168 239258359944 259196556606 263417998896 319011146592 345595408808 388794834909 478516719888 518393113212 526835997792 561592539313 691190817616 777589669818 957033439776 1036786226424 1123185078626 1382381635232 1555179339636 1684777617939 2073572452848 2246370157252 3110358679272 3369555235878 4147144905696 4492740314504 5054332853817 6220717358544 6739110471756 8985480629008 10108665707634 12441434717088 13478220943512 17970961258016 20217331415268 26956441887024 40434662830536 53912883774048 80869325661072 161738651322144
• Sum of all divisors σ(n): 500384042750592
• Sum of proper divisors (its aliquot sum) s(n): 338645391428448
• 161738651322144 is an abundant number, because the sum of its proper divisors (338645391428448) is greater than itself. Its abundance is 176906740106304

Bases of 161738651322144

• Binary: 100100110001100110110110110110111100011100100000₂
• Hexadecimal: 0x9319B6DBC720
• Base-36: 1LBXPL11K0

Squares and roots of 161738651322144

• 161738651322144 squared (161738651322144²) is 26159391331506073079264756736
• 161738651322144 cubed (161738651322144³) is 4230984673365977019244390232370468929961984
• The square root of 161738651322144 is 12717651.1715860489
• The cube root of 161738651322144 is 54484.2870643291

Scales and comparisons

• 161,738,651,322,144 seconds is equal to 5,142,788 years, 42 weeks, 5 days, 1 hour, 2 minutes, 24 seconds.
• To count from 1 to 161,738,651,322,144 would take you about twelve million, eight hundred fifty-six thousand, nine hundred seventy-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 161738651322144 cubic inches would be around 4540.4 feet tall.

Recreational maths with 161738651322144

• 161738651322144 backwards is 441223156837161
• The number of decimal digits it has is: 15
• The sum of 161738651322144's digits is 54
• More coming soon!