145420072840

Names of 145420072840

• Cardinal: 145420072840 can be written as One hundred forty-five billion, four hundred twenty million, seventy-two thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.4542007284 × 10¹¹

Factors of 145420072840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 680

Divisors of 145420072840

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 56 70 71 140 142 151 193 251 280 284 302 355 386 497 502 568 604 710 755 772 965 994 1004 1057 1208 1255 1351 1420 1510 1544 1757 1930 1988 2008 2114 2485 2510 2702 2840 3020 3514 3860 3976 4228 4970 5020 5285 5404 6040 6755 7028 7720 8456 8785 9940 10040 10570 10721 10808 13510 13703 14056 17570 17821 19880 21140 21442 27020 27406 29143 35140 35642 37901 42280 42884 48443 53605 54040 54812 58286 68515 70280 71284 75047 75802 85768 89105 95921 96886 107210 109624 116572 124747 137030 142568 145715 150094 151604 178210 189505 191842 193772 204001 214420 233144 242215 249494 265307 274060 291430 300188 303208 339101 356420 375235 379010 383684 387544 408002 428840 479605 484430 498988 530614 548120 582860 600376 623735 678202 712840 750470 758020 767368 816004 959210 968860 997976 1020005 1061228 1165720 1247470 1326535 1356404 1500940 1516040 1632008 1695505 1918420 1937720 2040010 2069153 2122456 2494940 2653070 2690971 2712808 3001880 3391010 3439453 3836840 4080020 4138306 4989880 5306140 5381942 6782020 6878906 7314893 8160040 8276612 10345765 10612280 10763884 13454855 13564040 13757812 14484071 14629786 16553224 17197265 18836797 20691530 21527768 24076171 26909710 27515624 28968142 29259572 34394530 36574465 37673594 41383060 48152342 51204251 53819420 57936284 58519144 68789060 72420355 73148930 75347188 82766120 94183985 96304684 102408502 107638840 115872568 120380855 137578120 144840710 146297860 150694376 188367970 192609368 204817004 240761710 256021255 289681420 292595720 376735940 409634008 481523420 512042510 519357403 579362840 753471880 963046840 1024085020 1038714806 2048170040 2077429612 2596787015 3635501821 4154859224 5193574030 7271003642 10387148060 14542007284 18177509105 20774296120 29084014568 36355018210 72710036420 145420072840
• Sum of all divisors σ(n): 385221795840
• Sum of proper divisors (its aliquot sum) s(n): 239801723000
• 145420072840 is an abundant number, because the sum of its proper divisors (239801723000) is greater than itself. Its abundance is 94381650160

Bases of 145420072840

• Binary: 10000111011011101101100011011110001000₂
• Hexadecimal: 0x21DBB63788
• Base-36: 1USZCUBS

Squares and roots of 145420072840

• 145420072840 squared (145420072840²) is 21146997584790905665600
• 145420072840 cubed (145420072840³) is 3075197929127597578061120682304000
• The square root of 145420072840 is 381339.8390412415
• The cube root of 145420072840 is 5258.6562905199

Scales and comparisons

• 145,420,072,840 seconds is equal to 4,623 years, 47 weeks, 1 day, 16 hours, 40 minutes, 40 seconds.
• To count from 1 to 145,420,072,840 would take you about nine thousand, two hundred forty-seven 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 145420072840 cubic inches would be around 438.2 feet tall.

Recreational maths with 145420072840

• 145420072840 backwards is 048270024541
• The number of decimal digits it has is: 12
• The sum of 145420072840's digits is 37
• More coming soon!