161420331513868544

Names of 161420331513868544

• Cardinal: 161420331513868544 can be written as One hundred sixty-one quadrillion, four hundred twenty trillion, three hundred thirty-one billion, five hundred thirteen million, eight hundred sixty-eight thousand, five hundred forty-four.

Scientific notation

• Scientific notation: 1.61420331513868544 × 10¹⁷

Factors of 161420331513868544

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 637691

Divisors of 161420331513868544

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 61 64 104 113 122 128 181 208 226 244 256 362 416 452 488 724 793 832 904 976 1448 1469 1586 1664 1808 1952 2353 2896 2938 3172 3328 3616 3721 3904 4706 5792 5876 6344 6893 7232 7442 7808 9412 11041 11584 11752 12688 13786 14464 14884 15616 18824 20453 22082 23168 23504 25376 27572 28928 29768 37648 40906 44164 46336 47008 48373 50752 55144 59536 75296 81812 88328 89609 94016 96746 101504 110288 119072 143533 150592 163624 176656 179218 188032 193492 203008 220576 238144 265889 287066 301184 327248 353312 358436 376064 386984 420473 441152 476288 531778 574132 602368 637321 654496 673501 706624 716872 773968 840946 882304 952576 1063556 1148264 1247633 1274642 1308992 1347002 1413248 1433744 1547936 1681892 1764608 2127112 2296528 2495266 2549284 2617984 2694004 2826496 2867488 3095872 3363784 4254224 4593056 4990532 5098568 5235968 5388008 5466149 5734976 6191744 6727568 8285173 8508448 8755513 9186112 9981064 10197136 10776016 10932298 11469952 12383488 13455136 16219229 16570346 17016896 17511026 18372224 19962128 20394272 21552032 21864596 22939904 26910272 32438458 33140692 34033792 35022052 36744448 38876581 39924256 40788544 43104064 43729192 53820544 64876916 66281384 68067584 70044104 72017273 76105613 77753162 79848512 81577088 86208128 87458384 107641088 115355101 129753832 132562768 140088208 144034546 152211226 155506324 159697024 163154176 172416256 174916768 230710202 259507664 265125536 280176416 288069092 304422452 311012648 319394048 349833536 461420404 505395553 519015328 530251072 560352832 576138184 608844904 622025296 699667072 922840808 936224549 989372969 1010791106 1038030656 1060502144 1120705664 1152276368 1217689808 1244050592 1399334144 1499616313 1845681616 1872449098 1978745938 2021582212 2076061312 2121004288 2241411328 2304552736 2371471441 2435379616 2488101184 2999232626 3691363232 3744898196 3957491876 4043164424 4152122624 4393053653 4609105472 4742942882 4870759232 4976202368 5998465252 7036661161 7382726464 7489796392 7914983752 8086328848 8786107306 9218210944 9485885764 9741518464 9952404736 11996930504 13035126413 14073322322 14765452928 14979592784 15829967504 16172657696 17572214612 18436421888 18971771528 19483036928 23993861008 26070252826 28146644644 29530905856 29959185568 30829128733 31659935008 32345315392 35144429224 37943543056 47987722016 52140505652 56293289288 57109697489 59918371136 61658257466 63319870016 64690630784 70288858448 75887086112 91476595093 95975444032 104281011304 112586578576 114219394978 119836742272 123316514932 126639740032 129381261568 140577716896 151774172224 169456643369 182953190186 191950888064 208562022608 225173157152 228438789956 239673484544 246633029864 253279480064 267976272833 281155433792 303548344448 338913286738 365906380372 383901776128 417124045216 429236330821 450346314304 456877579912 493266059728 535952545666 562310867584 607096688896 677826573476 731812760744 795142711193 834248090432 858472661642 900692628608 913755159824 986532119456 1071905091332 1124621735168 1355653146952 1463625521488 1590285422386 1668496180864 1716945323284 1801385257216 1827510319648 1973064238912 2143810182664 2711306293904 2927251042976 3180570844772 3336992361728 3433890646568 3483691546829 3655020639296 3946128477824 4287620365328 5422612587808 5580072300673 5854502085952 6361141689544 6867781293136 6967383093658 7310041278592 7892256955648 8575240730656 10336855245509 10845225175616 11160144601346 11709004171904 12722283379088 13735562586272 13934766187316 14620082557184 17150481461312 20673710491018 21690450351232 22320289202692 23418008343808 25444566758176 27471125172544 27869532374632 34300962922624 41347420982036 43380900702464 44640578405384 48503705382773 50889133516352 54942250345088 55739064749264 68601925845248 82694841964072 89281156810768 97007410765546 101778267032704 109884500690176 111478129498528 165389683928144 178562313621536 194014821531092 203556534065408 222956258997056 330779367856288 357124627243072 388029643062184 445912517994112 630548169976049 661558735712576 714249254486144 776059286124368 891825035988224 1261096339952098 1323117471425152 1428498508972288 1552118572248736 2522192679904196 2646234942850304 3104237144497472 5044385359808392 6208474288994944 10088770719616784 12416948577989888 20177541439233568 40355082878467136 80710165756934272 161420331513868544
• Sum of all divisors σ(n): 357865989871218192
• Sum of proper divisors (its aliquot sum) s(n): 196445658357349648
• 161420331513868544 is an abundant number, because the sum of its proper divisors (196445658357349648) is greater than itself. Its abundance is 35025326843481104

Bases of 161420331513868544

• Binary: 1000111101011110101110111110101111011010001111000100000000₂
• Hexadecimal: 0x23D7AEFAF68F100
• Base-36: 185EQCKHWKJK

Squares and roots of 161420331513868544

• 161420331513868544 squared (161420331513868544²) is 26056523426047222189997008512679936
• 161420331513868544 cubed (161420331513868544³) is 4206052649531424382184639745144867094945260250333184
• The square root of 161420331513868544 is 401771491.6639414127
• The cube root of 161420331513868544 is 544485.1985992347

Scales and comparisons

• 161,420,331,513,868,544 seconds is equal to 5,132,667,236 years, 14 weeks, 1 day, 2 hours, 35 minutes, 44 seconds.
• To count from 1 to 161,420,331,513,868,544 would take you about fifteen billion, three hundred ninety-eight million, one thousand, seven hundred eight 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 161420331513868544 cubic inches would be around 45373.8 feet tall.

Recreational maths with 161420331513868544

• 161420331513868544 backwards is 445868315133024161
• The number of decimal digits it has is: 18
• The sum of 161420331513868544's digits is 65
• More coming soon!