145749288720

Names of 145749288720

• Cardinal: 145749288720 can be written as One hundred forty-five billion, seven hundred forty-nine million, two hundred eighty-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.4574928872 × 10¹¹

Factors of 145749288720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1770538

Divisors of 145749288720

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 49 56 60 70 80 84 98 105 112 120 140 147 168 196 210 240 245 280 294 336 343 392 420 490 560 588 686 735 784 840 980 1029 1176 1372 1470 1680 1715 1960 2058 2352 2744 2940 3430 3920 4116 5145 5488 5880 6860 8232 10290 11760 13720 16464 20580 27440 41160 82320 1770521 3541042 5311563 7082084 8852605 10623126 12393647 14164168 17705210 21246252 24787294 26557815 28328336 35410420 37180941 42492504 49574588 53115630 61968235 70820840 74361882 84985008 86755529 99149176 106231260 123936470 141641680 148723764 173511058 185904705 198298352 212462520 247872940 260266587 297447528 347022116 371809410 424925040 433777645 495745880 520533174 594895056 607288703 694044232 743618820 867555290 991491760 1041066348 1214577406 1301332935 1388088464 1487237640 1735110580 1821866109 2082132696 2429154812 2602665870 2974475280 3036443515 3470221160 3643732218 4164265392 4858309624 5205331740 6072887030 6940442320 7287464436 9109330545 9716619248 10410663480 12145774060 14574928872 18218661090 20821326960 24291548120 29149857744 36437322180 48583096240 72874644360 145749288720
• Sum of all divisors σ(n): 526907347200
• Sum of proper divisors (its aliquot sum) s(n): 381158058480
• 145749288720 is an abundant number, because the sum of its proper divisors (381158058480) is greater than itself. Its abundance is 235408769760

Bases of 145749288720

• Binary: 10000111101111010101011010011100010000₂
• Hexadecimal: 0x21EF55A710
• Base-36: 1UYFD2XC

Squares and roots of 145749288720

• 145749288720 squared (145749288720²) is 21242855162385919238400
• 145749288720 cubed (145749288720³) is 3096131030299727827140164110848000
• The square root of 145749288720 is 381771.2518249639
• The cube root of 145749288720 is 5262.6216494543

Scales and comparisons

• 145,749,288,720 seconds is equal to 4,634 years, 19 weeks, 4 days, 1 hour, 32 minutes.
• To count from 1 to 145,749,288,720 would take you about nine thousand, two hundred sixty-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 145749288720 cubic inches would be around 438.6 feet tall.

Recreational maths with 145749288720

• 145749288720 backwards is 027882947541
• The number of decimal digits it has is: 12
• The sum of 145749288720's digits is 57
• More coming soon!