128998834328

Names of 128998834328

• Cardinal: 128998834328 can be written as One hundred twenty-eight billion, nine hundred ninety-eight million, eight hundred thirty-four thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 1.28998834328 × 10¹¹

Factors of 128998834328

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 833

Divisors of 128998834328

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 4 7 8 13 14 26 28 49 52 56 91 98 104 169 182 196 338 343 364 392 637 676 686 728 811 1183 1274 1352 1372 1622 2366 2401 2548 2744 3244 4459 4732 4802 5096 5677 6488 8281 8918 9464 9604 10543 11354 16562 16807 17836 19208 21086 22708 31213 33124 33614 35672 39739 42172 45416 57967 62426 66248 67228 73801 79478 84344 115934 117649 124852 134456 137059 147602 158956 218491 231868 235298 249704 274118 278173 295204 317912 405769 436982 463736 470596 516607 548236 556346 590408 811538 873964 941192 959413 1033214 1096472 1112692 1529437 1623076 1747928 1918826 1947211 2066428 2225384 2840383 3058874 3246152 3616249 3837652 3894422 4132856 5680766 6117748 6715891 7232498 7675304 7788844 11361532 12235496 13431782 13630477 14464996 15577688 19882681 22723064 25313743 26863564 27260954 28929992 39765362 47011237 50627486 53727128 54521908 79530724 94022474 95413339 101254972 109043816 159061448 177196201 188044948 190826678 202509944 329078659 354392402 376089896 381653356 658157318 708784804 763306712 1240373407 1316314636 1417569608 2303550613 2480746814 2632629272 4607101226 4961493628 9214202452 9922987256 16124854291 18428404904 32249708582 64499417164 128998834328
• Sum of all divisors σ(n): 305937617580
• Sum of proper divisors (its aliquot sum) s(n): 176938783252
• 128998834328 is an abundant number, because the sum of its proper divisors (176938783252) is greater than itself. Its abundance is 47939948924

Bases of 128998834328

• Binary: 1111000001000111011100000000010011000₂
• Hexadecimal: 0x1E08EE0098
• Base-36: 1N9EKPLK

Squares and roots of 128998834328

• 128998834328 squared (128998834328²) is 16640699257982791211584
• 128998834328 cubed (128998834328³) is 2146630806682594614978138810455552
• The square root of 128998834328 is 359164.0771680821
• The cube root of 128998834328 is 5052.7591278409

Scales and comparisons

• 128,998,834,328 seconds is equal to 4,101 years, 39 weeks, 5 days, 1 hour, 32 minutes, 8 seconds.
• To count from 1 to 128,998,834,328 would take you about eight thousand, two hundred three 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 128998834328 cubic inches would be around 421.1 feet tall.

Recreational maths with 128998834328

• 128998834328 backwards is 823438899821
• The number of decimal digits it has is: 12
• The sum of 128998834328's digits is 65
• More coming soon!