148731121890

Names of 148731121890

• Cardinal: 148731121890 can be written as One hundred forty-eight billion, seven hundred thirty-one million, one hundred twenty-one thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.4873112189 × 10¹¹

Factors of 148731121890

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2166

Divisors of 148731121890

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 81 90 117 130 135 162 169 195 234 243 270 338 351 390 405 486 507 585 702 810 845 1014 1053 1170 1215 1521 1690 1755 2106 2143 2197 2430 2535 3042 3159 3510 4286 4394 4563 5070 5265 6318 6429 6591 7605 9126 10530 10715 10985 12858 13182 13689 15210 15795 19287 19773 21430 21970 22815 27378 27859 28561 31590 32145 32955 38574 39546 41067 45630 55718 57122 57861 59319 64290 65910 68445 82134 83577 85683 96435 98865 115722 118638 136890 139295 142805 167154 171366 173583 177957 192870 197730 205335 250731 257049 278590 285610 289305 296595 347166 355914 362167 410670 417885 428415 501462 514098 520749 533871 578610 593190 724334 752193 771147 835770 856830 867915 889785 1041498 1067742 1086501 1253655 1285245 1504386 1542294 1735830 1779570 1810835 2173002 2256579 2313441 2507310 2570490 2603745 2669355 3259503 3621670 3760965 3855735 4513158 4626882 4708171 5207490 5338710 5432505 6519006 6769737 6940323 7521930 7711470 9416342 9778509 10865010 11282895 11567205 13539474 13880646 14124513 16297515 19557018 22565790 23134410 23540855 28249026 29335527 32595030 33848685 34701615 42373539 47081710 48892545 58671054 61206223 67697370 69403230 70622565 84747078 88006581 97785090 122412446 127120617 141245130 146677635 176013162 183618669 211867695 254241234 293355270 306031115 367237338 381361851 423735390 440032905 550856007 612062230 635603085 762723702 880065810 918093345 1101712014 1144085553 1271206170 1652568021 1836186690 1906809255 2288171106 2754280035 3305136042 3813618510 4957704063 5508560070 5720427765 8262840105 9915408126 11440855530 14873112189 16525680210 24788520315 29746224378 49577040630 74365560945 148731121890
• Sum of all divisors σ(n): 434643326208
• Sum of proper divisors (its aliquot sum) s(n): 285912204318
• 148731121890 is an abundant number, because the sum of its proper divisors (285912204318) is greater than itself. Its abundance is 137181082428

Bases of 148731121890

• Binary: 10001010100001000100001101000011100010₂
• Hexadecimal: 0x22A110D0E2
• Base-36: 1WBQO44I

Squares and roots of 148731121890

• 148731121890 squared (148731121890²) is 22120946618658037172100
• 148731121890 cubed (148731121890³) is 3290073207861811874871756007269000
• The square root of 148731121890 is 385656.7410145971
• The cube root of 148731121890 is 5298.2683543077

Scales and comparisons

• 148,731,121,890 seconds is equal to 4,729 years, 9 weeks, 6 days, 31 minutes, 30 seconds.
• To count from 1 to 148,731,121,890 would take you about nine thousand, four hundred fifty-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 148731121890 cubic inches would be around 441.5 feet tall.

Recreational maths with 148731121890

• 148731121890 backwards is 098121137841
• 148731121890 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 148731121890's digits is 45
• More coming soon!