161427425985

Names of 161427425985

• Cardinal: 161427425985 can be written as One hundred sixty-one billion, four hundred twenty-seven million, four hundred twenty-five thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 1.61427425985 × 10¹¹

Factors of 161427425985

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 100

Divisors of 161427425985

• Number of divisors d(n): 576
• Complete list of divisors:
  1 3 5 7 9 15 19 21 27 29 35 37 45 49 57 63 81 87 95 105 111 133 135 145 147 171 185 189 203 243 245 259 261 285 315 333 343 361 399 405 435 441 513 551 555 567 609 665 703 735 777 783 855 931 945 999 1015 1029 1073 1083 1197 1215 1295 1305 1323 1421 1539 1653 1665 1701 1715 1805 1813 1827 1995 2109 2205 2331 2349 2527 2565 2755 2793 2835 2997 3045 3087 3219 3249 3515 3591 3857 3885 3915 3969 4263 4617 4655 4921 4959 4995 5145 5365 5415 5439 5481 5985 6327 6517 6615 6993 7047 7105 7511 7581 7695 8265 8379 8505 8991 9065 9135 9261 9657 9747 9947 10469 10545 10773 11571 11655 11745 11907 12635 12691 12789 13357 13965 14763 14877 14985 15435 16095 16245 16317 16443 17689 17955 18981 19285 19551 19845 20387 20979 21315 22533 22743 23085 24605 24795 25137 26999 27195 27405 27783 28971 29241 29841 31407 31635 32319 32585 34447 34713 34965 35235 37555 37905 38073 38367 40071 41895 44289 44631 44955 46305 48285 48735 48951 49329 49735 52345 52577 53067 53865 56943 57855 58653 59535 61161 62937 63455 63945 66785 67599 68229 73283 73815 74385 75411 80997 81585 82215 83349 86913 87723 88445 89523 93499 94221 94905 97755 101935 103341 104139 104895 112665 113715 114219 115101 120213 123823 125685 132867 133893 134995 138915 142709 144855 146205 146853 149205 157035 157731 159201 161595 170829 172235 173565 175959 183483 188993 190365 191835 200355 202797 204687 219849 221445 223155 226233 241129 242991 244755 246645 260739 262885 265335 268569 280497 282663 284715 293265 305805 310023 312417 314685 337995 341145 342657 345303 360639 366415 368039 371469 377055 387353 398601 404985 416745 428127 434565 438615 440559 447615 467495 471105 473193 477603 512981 516705 520695 527877 550449 566979 571095 575505 601065 608391 614061 619115 654493 659547 664335 669465 713545 723387 728973 734265 788655 796005 805707 841491 847989 854145 879795 917415 930069 937251 944965 998963 1013985 1023435 1027971 1081917 1099245 1104117 1114407 1131165 1162059 1195803 1205645 1214955 1284381 1303695 1342845 1402485 1413315 1419579 1432809 1538943 1550115 1562085 1583631 1651347 1700937 1713285 1726515 1803195 1825173 1840195 1857345 1936765 1963479 1978641 1993005 2140635 2170161 2186919 2202795 2365965 2388015 2417121 2524473 2543967 2564905 2639385 2711471 2752245 2790207 2834895 2996889 3041955 3070305 3083913 3245751 3272465 3297735 3312351 3343221 3486177 3590867 3616935 3644865 3853143 4028535 4207455 4239945 4258737 4298427 4581451 4616829 4650345 4686255 4954041 4994815 5102811 5139855 5409585 5520585 5572035 5810295 5890437 5935923 5979015 6421905 6510483 6560757 6992741 7097895 7164045 7573419 7694715 7918155 8134413 8256735 8370621 8504685 8990667 9125865 9817395 9893205 9937053 10029663 10458531 10772601 10850805 10934595 11559429 12085605 12622365 12719835 12776211 13557355 13744353 13850487 13951035 14984445 15308433 15419565 16228755 16561755 16716105 17430885 17671311 17807769 17954335 18980297 19265715 19531449 20978223 21293685 21492135 22720257 22907255 23084145 24403239 24770205 25514055 26972001 29452185 29679615 29811159 30088989 31375593 32317803 32552415 32803785 34678287 34963705 37867095 40672065 41233059 41551461 41853105 44953335 45925299 49685265 50148315 52292655 53013933 53863005 56940891 57797145 58594347 62934669 63881055 68721765 69252435 73209717 76542165 80916003 88356555 89038845 89433477 94126779 94901485 96953409 97657245 104891115 113601285 122016195 123699177 124654383 132862079 134860005 149055795 150444945 156877965 159041799 161589015 170822673 173391435 188804007 206165295 207757305 219629151 229626495 242748009 265069665 284704455 290860227 292971735 314673345 366048585 371097531 398586237 404580015 447167385 470633895 484767045 512468019 566412021 618495885 623271915 658887453 664310395 795208995 854113365 872580681 944020035 1098145755 1113292593 1195758711 1213740045 1454301135 1537404057 1699236063 1855487655 1992931185 2562340095 2832060105 3294437265 3587276133 4362903405 4612212171 5566462965 5978793555 7687020285 8496180315 10761828399 17936380665 23061060855 32285485197 53809141995 161427425985
• Sum of all divisors σ(n): 379439424000
• Sum of proper divisors (its aliquot sum) s(n): 218011998015
• 161427425985 is an abundant number, because the sum of its proper divisors (218011998015) is greater than itself. Its abundance is 56584572030

Bases of 161427425985

• Binary: 10010110010101110100110000101011000001₂
• Hexadecimal: 0x2595D30AC1
• Base-36: 225PPZ29

Squares and roots of 161427425985

• 161427425985 squared (161427425985²) is 26058813860142653220225
• 161427425985 cubed (161427425985³) is 4206607245665070294249393092546625
• The square root of 161427425985 is 401780.3205546533
• The cube root of 161427425985 is 5444.9317524401

Scales and comparisons

• 161,427,425,985 seconds is equal to 5,132 years, 46 weeks, 2 days, 23 hours, 39 minutes, 45 seconds.
• To count from 1 to 161,427,425,985 would take you about ten thousand, two hundred sixty-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 161427425985 cubic inches would be around 453.7 feet tall.

Recreational maths with 161427425985

• 161427425985 backwards is 589524724161
• The number of decimal digits it has is: 12
• The sum of 161427425985's digits is 54
• More coming soon!