161442905085

Names of 161442905085

• Cardinal: 161442905085 can be written as One hundred sixty-one billion, four hundred forty-two million, nine hundred five thousand and eighty-five.

Scientific notation

• Scientific notation: 1.61442905085 × 10¹¹

Factors of 161442905085

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 406

Divisors of 161442905085

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 5 7 9 11 15 21 27 33 35 45 49 55 63 73 77 81 99 105 121 135 147 165 189 219 231 243 245 297 307 315 363 365 385 405 441 495 511 539 567 605 657 693 735 803 847 891 921 945 1089 1095 1155 1215 1323 1485 1533 1535 1617 1701 1815 1971 2079 2149 2205 2409 2541 2555 2673 2695 2763 2835 3267 3285 3377 3465 3577 3969 4015 4235 4455 4599 4605 4851 5445 5621 5913 5929 6237 6447 6615 7227 7623 7665 8085 8289 8505 8833 9801 9855 10131 10395 10731 10745 11907 12045 12705 13365 13797 13815 14553 15043 16335 16863 16885 17739 17787 17885 18711 19341 19845 21681 22411 22869 22995 23639 24255 24867 26499 28105 29403 29565 29645 30393 31185 32193 32235 36135 37147 38115 39347 41391 41445 43659 44165 45129 49005 50589 50655 53361 53655 58023 59535 61831 65043 67233 68607 68985 70917 72765 74601 75215 79497 84315 88695 88935 91179 93555 96579 96705 108405 111441 112055 114345 118041 118195 124173 124335 130977 132495 135387 147015 151767 151965 156877 160083 160965 165473 174069 185493 185735 195129 196735 201699 205821 206955 212751 218295 225645 238491 246521 252945 260029 266805 273537 289737 290115 309155 325215 334323 336165 343035 354123 354585 373005 397485 406161 432817 455301 455895 470631 480249 482895 496419 522207 556479 557205 590205 605097 620865 638253 654885 676935 715473 739563 758835 780087 784385 800415 820611 827365 869211 870345 927465 975645 1002969 1008495 1029105 1062369 1063755 1098139 1192455 1218483 1232605 1298451 1300145 1365903 1367685 1411893 1440747 1448685 1489257 1669437 1671615 1725647 1770615 1815291 1820203 1914759 2030805 2146419 2164085 2218689 2276505 2340261 2353155 2401245 2482095 2611035 2711731 2782395 3008907 3025485 3187107 3191265 3294417 3577365 3655449 3697815 3895353 3900435 4103055 4235679 4346055 4467771 5008311 5014845 5176941 5311845 5445873 5460609 5490695 5744277 6092415 6492255 6656067 6829515 7020783 7059465 7203735 7446285 8135193 8347185 8628235 9026721 9076455 9101015 9561321 9573795 9883251 10732095 11093445 11686059 11701305 12079529 12707037 13403313 13558655 15024933 15044535 15530823 15935535 16381827 16472085 18277245 18982117 19476765 19968201 21062349 21178395 22338855 24405579 25041555 25884705 27229365 27303045 28721385 29649753 33280335 35058177 35103915 36238587 38121111 40209939 40675965 45133605 46592469 47806605 49145481 49416255 56946351 58430295 59904603 60397645 63187047 63535185 67016565 73216737 75124665 77654115 81909135 88949259 94910585 99841005 105174531 105311745 108715761 122027895 132874819 139777407 147436443 148248765 170839053 175290885 181192935 190605555 201049695 219650211 232962345 245727405 266847777 284731755 299523015 315935235 326147283 366083685 398624457 419332221 442309329 444746295 512517159 525872655 543578805 658950633 664374095 698887035 737182215 854195265 978441849 1098251055 1195873371 1334238885 1537551477 1630736415 1993122285 2096661105 2211546645 2562585795 2935325547 3294753165 3587620113 4612654431 4892209245 5979366855 7687757385 10762860339 14676627735 17938100565 23063272155 32288581017 53814301695 161442905085
• Sum of all divisors σ(n): 377364955968
• Sum of proper divisors (its aliquot sum) s(n): 215922050883
• 161442905085 is an abundant number, because the sum of its proper divisors (215922050883) is greater than itself. Its abundance is 54479145798

Bases of 161442905085

• Binary: 10010110010110101111110011101111111101₂
• Hexadecimal: 0x2596BF3BFD
• Base-36: 225YXQT9

Squares and roots of 161442905085

• 161442905085 squared (161442905085²) is 26063811602284318857225
• 161442905085 cubed (161442905085³) is 4207817462660909058450851341489125
• The square root of 161442905085 is 401799.5832314911
• The cube root of 161442905085 is 5445.1057830689

Scales and comparisons

• 161,442,905,085 seconds is equal to 5,133 years, 20 weeks, 3 hours, 24 minutes, 45 seconds.
• To count from 1 to 161,442,905,085 would take you about ten thousand, two hundred sixty-six 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 161442905085 cubic inches would be around 453.8 feet tall.

Recreational maths with 161442905085

• 161442905085 backwards is 580509244161
• 161442905085 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 161442905085's digits is 45
• More coming soon!