128398489848

Names of 128398489848

• Cardinal: 128398489848 can be written as One hundred twenty-eight billion, three hundred ninety-eight million, four hundred eighty-nine thousand, eight hundred forty-eight.

Scientific notation

• Scientific notation: 1.28398489848 × 10¹¹

Factors of 128398489848

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 272

Divisors of 128398489848

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 9 12 17 18 24 27 34 36 51 53 54 68 72 102 106 108 136 153 159 197 204 212 216 289 306 318 394 408 424 459 477 578 591 612 636 788 867 901 918 954 1156 1182 1224 1272 1431 1576 1734 1773 1802 1836 1908 2312 2364 2601 2703 2862 3349 3468 3546 3604 3672 3816 4728 5202 5319 5406 5724 6698 6936 7092 7208 7803 8109 10047 10404 10441 10638 10812 11448 13396 14184 15317 15606 16218 20094 20808 20882 21276 21624 24327 26792 30141 30634 31212 31323 32436 38809 40188 41764 42552 45951 48654 56933 60282 61268 62424 62646 64872 77618 80376 83528 90423 91902 93969 97308 113866 116427 120564 122536 125292 137853 155236 170799 177497 180846 183804 187938 194616 227732 232854 241128 250584 275706 281907 310472 341598 349281 354994 361692 367608 375876 413559 455464 465708 512397 532491 551412 563814 659753 683196 698562 709988 723384 751752 827118 931416 1024794 1047843 1064982 1102824 1127628 1319506 1366392 1397124 1419976 1537191 1597473 1654236 1979259 2049588 2056877 2095686 2129964 2255256 2639012 2794248 3017449 3074382 3194946 3308472 3958518 4099176 4113754 4191372 4259928 4792419 5278024 5937777 6034898 6148764 6170631 6389892 7917036 8227508 8382744 9052347 9584838 11215801 11875554 12069796 12297528 12341262 12779784 15834072 16455016 17813331 18104694 18511893 19169676 22431602 23751108 24139592 24682524 27157041 33647403 34966909 35626662 36209388 37023786 38339352 44863204 47502216 49365048 54314082 55535679 67294806 69933818 71253324 72418776 74047572 81471123 89726408 100942209 104900727 108628164 111071358 134589612 139867636 142506648 148095144 162942246 201884418 209801454 217256328 222142716 269179224 279735272 302826627 314702181 325884492 403768836 419602908 444285432 594437453 605653254 629404362 651768984 807537672 839205816 944106543 1188874906 1211306508 1258808724 1783312359 1888213086 2377749812 2422613016 2517617448 3566624718 3776426172 4755499624 5349937077 7133249436 7552852344 10699874154 14266498872 16049811231 21399748308 32099622462 42799496616 64199244924 128398489848
• Sum of all divisors σ(n): 387994827600
• Sum of proper divisors (its aliquot sum) s(n): 259596337752
• 128398489848 is an abundant number, because the sum of its proper divisors (259596337752) is greater than itself. Its abundance is 131197847904

Bases of 128398489848

• Binary: 1110111100101001001010111100011111000₂
• Hexadecimal: 0x1DE52578F8
• Base-36: 1MZH58U0

Squares and roots of 128398489848

• 128398489848 squared (128398489848²) is 16486172195246959063104
• 128398489848 cubed (128398489848³) is 2116799613243796547116830535368192
• The square root of 128398489848 is 358327.3501255521
• The cube root of 128398489848 is 5044.9086332903

Scales and comparisons

• 128,398,489,848 seconds is equal to 4,082 years, 35 weeks, 15 hours, 10 minutes, 48 seconds.
• To count from 1 to 128,398,489,848 would take you about eight thousand, one hundred sixty-five 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 128398489848 cubic inches would be around 420.4 feet tall.

Recreational maths with 128398489848

• 128398489848 backwards is 848984893821
• 128398489848 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128398489848's digits is 72
• More coming soon!