161791727975397

Names of 161791727975397

• Cardinal: 161791727975397 can be written as One hundred sixty-one trillion, seven hundred ninety-one billion, seven hundred twenty-seven million, nine hundred seventy-five thousand, three hundred ninety-seven.

Scientific notation

• Scientific notation: 1.61791727975397 × 10¹⁴

Factors of 161791727975397

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 351

Divisors of 161791727975397

• Number of divisors d(n): 360
• Complete list of divisors:
  1 3 9 13 17 27 39 41 51 81 117 123 153 169 221 277 289 351 369 459 507 533 663 697 831 867 1053 1107 1377 1521 1599 1989 2091 2197 2493 2601 2873 3321 3601 3757 4563 4709 4797 5967 6273 6591 6929 7479 7803 8619 9061 10803 11271 11357 11849 13689 14127 14391 17901 18819 19773 20787 22437 23409 25857 27183 32409 33813 34071 35547 37349 42381 43173 46813 48841 56457 59319 61217 62361 76729 77571 80053 81549 90077 97227 101439 102213 106641 112047 117793 127143 140439 146523 147641 154037 177957 183651 187083 193069 230187 232713 240159 244647 270231 291681 304317 306639 319923 336141 353379 381429 421317 439569 442923 462111 550953 561249 579207 608569 634933 690561 720477 733941 795821 810693 919917 959769 997477 1008423 1040689 1060137 1263951 1304393 1318707 1328769 1386333 1531309 1652859 1737621 1825707 1904799 1919333 2002481 2071683 2161431 2387463 2432079 2509897 2992431 3025269 3122067 3145889 3180411 3282173 3791853 3913179 3956121 3986307 4158999 4593927 4958577 5212863 5477121 5714397 5757999 6007443 6215049 6484293 7162389 7296237 7529691 8977293 9366201 9437667 9541233 9846519 10345673 11739537 11958921 12476997 12967201 13528957 13781781 15638589 16431363 16957109 17143191 17273997 18022329 21487167 22174681 22589073 24951329 26032253 26931879 28098603 28313001 29539557 31037019 32628661 35218611 38901603 40586871 40896557 41345343 42668249 49294089 50871327 51429573 51821991 53480113 54066987 64461501 66524043 67767219 74853987 78096759 80795637 84295809 84939003 88618671 93111057 97885983 105655833 116704809 121760613 122689671 124036029 128004747 152613981 155465973 160440339 162200961 168573613 175876441 199572129 203301657 220442417 224561961 234290277 254817009 265856013 279333171 288270853 293657949 350114427 365281839 368069013 384014241 424172593 457841943 481321017 505720839 527629323 531655241 554687237 598716387 661327251 673685883 695241469 702870831 837999513 864812559 880973847 909161921 1050343281 1095845517 1104207039 1152042723 1272517779 1373525829 1443963051 1517162517 1582887969 1594965723 1664061711 1796149161 1983981753 2021057649 2085724407 2108612493 2594437677 2642921541 2727485763 2865751421 3312621117 3456128169 3747521089 3817553337 4331889153 4551487551 4748663907 4784897169 4992185133 5951945259 6257173221 6911518133 7210934081 7783313031 8182457289 8597254263 9038139097 11242563267 11452660011 11819104973 13654462653 14245991721 14354691507 14976555399 17855835777 18771519663 20734554399 21632802243 23349939093 24547371867 25791762789 27114417291 33727689801 34357980033 35457314919 43064074521 44929666197 48717774157 56314558989 62203663197 64898406729 73642115601 77375288367 81343251873 101183069403 106371944757 117495808261 146153322471 153648364649 186610989591 194695220187 232125865101 244029755619 303549208209 319115834271 352487424783 438459967413 460945093947 559832968773 584085660561 732089266857 957347502813 1057462274349 1315379902239 1382835281841 1997428740437 3172386823047 3946139706717 4148505845523 5992286221311 9517160469141 12445517536569 17976858663933 53930575991799 161791727975397
• Sum of all divisors σ(n): 285943479738840
• Sum of proper divisors (its aliquot sum) s(n): 124151751763443
• 161791727975397 is a deficient number, because the sum of its proper divisors (124151751763443) is less than itself. Its deficiency is 37639976211954

Bases of 161791727975397

• Binary: 100100110010011000010010011110010011101111100101₂
• Hexadecimal: 0x932612793BE5
• Base-36: 1LCM3DHXB9

Squares and roots of 161791727975397

• 161791727975397 squared (161791727975397²) is 26176563241264860232637307609
• 161791727975397 cubed (161791727975397³) is 4235151399261500657292032639024082672895773
• The square root of 161791727975397 is 12719737.7321781679
• The cube root of 161791727975397 is 54490.2463229111

Scales and comparisons

• 161,791,727,975,397 seconds is equal to 5,144,476 years, 25 weeks, 5 days, 3 hours, 49 minutes, 57 seconds.
• To count from 1 to 161,791,727,975,397 would take you about twelve million, eight hundred sixty-one thousand, one hundred ninety-one 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 161791727975397 cubic inches would be around 4540.9 feet tall.

Recreational maths with 161791727975397

• 161791727975397 backwards is 793579727197161
• 161791727975397 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 161791727975397's digits is 81
• More coming soon!