145490507840

Names of 145490507840

• Cardinal: 145490507840 can be written as One hundred forty-five billion, four hundred ninety million, five hundred seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.4549050784 × 10¹¹

Factors of 145490507840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 9426

Divisors of 145490507840

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 47 64 80 94 160 188 235 320 376 470 752 940 1181 1504 1880 2362 3008 3760 4724 5905 7520 8191 9448 11810 15040 16382 18896 23620 32764 37792 40955 47240 55507 65528 75584 81910 94480 111014 131056 163820 188960 222028 262112 277535 327640 377920 384977 444056 524224 555070 655280 769954 888112 1110140 1310560 1539908 1776224 1924885 2220280 2621120 3079816 3552448 3849770 4440560 6159632 7699540 8881120 9673571 12319264 15399080 17762240 19347142 24638528 30798160 38694284 48367855 61596320 77388568 96735710 123192640 154777136 193471420 309554272 386942840 454657837 619108544 773885680 909315674 1547771360 1818631348 2273289185 3095542720 3637262696 4546578370 7274525392 9093156740 14549050784 18186313480 29098101568 36372626960 72745253920 145490507840
• Sum of all divisors σ(n): 354163359744
• Sum of proper divisors (its aliquot sum) s(n): 208672851904
• 145490507840 is an abundant number, because the sum of its proper divisors (208672851904) is greater than itself. Its abundance is 63182344064

Bases of 145490507840

• Binary: 10000111011111111010001111100001000000₂
• Hexadecimal: 0x21DFE8F840
• Base-36: 1UU5AIBK

Squares and roots of 145490507840

• 145490507840 squared (145490507840²) is 21167487871541101465600
• 145490507840 cubed (145490507840³) is 3079668560127555535663112290304000
• The square root of 145490507840 is 381432.1798695019
• The cube root of 145490507840 is 5259.5051730343

Scales and comparisons

• 145,490,507,840 seconds is equal to 4,626 years, 7 weeks, 4 days, 21 hours, 57 minutes, 20 seconds.
• To count from 1 to 145,490,507,840 would take you about nine thousand, two hundred fifty-two 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 145490507840 cubic inches would be around 438.3 feet tall.

Recreational maths with 145490507840

• 145490507840 backwards is 048705094541
• 145490507840 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 145490507840's digits is 47
• More coming soon!