142307251821

Names of 142307251821

• Cardinal: 142307251821 can be written as One hundred forty-two billion, three hundred seven million, two hundred fifty-one thousand, eight hundred twenty-one.

Scientific notation

• Scientific notation: 1.42307251821 × 10¹¹

Factors of 142307251821

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 146

Divisors of 142307251821

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 7 9 17 19 21 41 49 51 57 59 63 119 123 133 147 153 171 177 287 323 343 357 369 399 413 441 531 697 779 833 861 931 969 1003 1029 1071 1121 1197 1239 2009 2091 2261 2337 2419 2499 2583 2793 2891 2907 3009 3087 3363 3481 3717 4879 5453 5831 6027 6273 6517 6783 7011 7021 7257 7497 7847 8379 8673 9027 10089 10443 13243 14063 14637 15827 16359 16933 17493 18081 19057 19551 20237 20349 21063 21771 23541 24367 26019 31329 34153 38171 39729 41123 42189 43911 45961 47481 49077 49147 50799 52479 54929 57171 58653 59177 60711 63189 66139 70623 73101 92701 102459 110789 114513 118531 119187 123369 126567 133399 137883 142443 142721 147441 152397 164787 170569 171513 177531 182133 198417 219303 239071 267197 278103 287861 307377 321727 332367 343539 344029 355593 370107 384503 400197 413649 414239 428163 442323 462973 494361 511707 532593 595251 648907 717213 781337 801591 829717 834309 863583 933793 965181 997101 999047 1032087 1066779 1124363 1153509 1193983 1200591 1242717 1284489 1388919 1535121 1946721 2015027 2151639 2252089 2344011 2404773 2426257 2489151 2590749 2711699 2801379 2895543 2899673 2997141 3096261 3240811 3373089 3460527 3581949 3728151 4166757 4542349 5469359 5840163 6045081 6536551 6756267 6993329 7032033 7278771 7467453 7870541 8135097 8404137 8699019 8991423 9722433 10119267 10745847 13627047 14105189 15764623 16408077 16983799 18135243 18981893 19609653 20268801 20297711 20979987 21836313 22685677 23611623 24405291 26097057 29167299 38285513 40881141 42315567 46098883 47293869 48953303 49224231 50951397 55093787 56945679 58828959 60893133 62939961 68057031 70834869 114856539 118886593 126946701 132873251 138296649 141881607 146859909 152854191 165281361 170837037 182679399 204171093 267998591 322692181 344569617 356659779 385656509 398619753 414889947 440579727 495844083 803995773 832206151 930112757 968076543 1069979337 1156969527 1195859259 2258845267 2411987319 2496618453 2790338271 2904229629 3470908581 6776535801 7489855359 8371014813 15811916869 20329607403 47435750607 142307251821
• Sum of all divisors σ(n): 278407584000
• Sum of proper divisors (its aliquot sum) s(n): 136100332179
• 142307251821 is a deficient number, because the sum of its proper divisors (136100332179) is less than itself. Its deficiency is 6206919642

Bases of 142307251821

• Binary: 10000100100010001011000101011001101101₂
• Hexadecimal: 0x21222C566D
• Base-36: 1TDI2A99

Squares and roots of 142307251821

• 142307251821 squared (142307251821²) is 20251353920845507816041
• 142307251821 cubed (142307251821³) is 2881914522129957382013970330260661
• The square root of 142307251821 is 377236.3341739499
• The cube root of 142307251821 is 5220.8635631455

Scales and comparisons

• 142,307,251,821 seconds is equal to 4,524 years, 48 weeks, 2 days, 16 hours, 10 minutes, 21 seconds.
• To count from 1 to 142,307,251,821 would take you about nine thousand and forty-nine 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 142307251821 cubic inches would be around 435.1 feet tall.

Recreational maths with 142307251821

• 142307251821 backwards is 128152703241
• The number of decimal digits it has is: 12
• The sum of 142307251821's digits is 36
• More coming soon!