138865585664

Names of 138865585664

• Cardinal: 138865585664 can be written as One hundred thirty-eight billion, eight hundred sixty-five million, five hundred eighty-five thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 1.38865585664 × 10¹¹

Factors of 138865585664

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 3067

Divisors of 138865585664

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 8 13 16 26 32 41 52 64 82 104 128 164 169 208 256 328 338 416 512 533 656 676 832 1066 1312 1352 1664 2132 2197 2624 2704 3011 3328 4264 4394 5248 5408 6022 6656 6929 8528 8788 10496 10816 12044 13858 17056 17576 20992 21632 24088 27716 34112 35152 39143 43264 48176 55432 68224 70304 78286 86528 90077 96352 110864 123451 136448 140608 156572 180154 192704 221728 246902 272896 281216 313144 360308 385408 443456 493804 508859 562432 626288 720616 770816 886912 987608 1017718 1124864 1252576 1441232 1541632 1604863 1773824 1975216 2035436 2505152 2882464 3209726 3547648 3950432 4070872 5010304 5764928 6419452 6615167 7900864 8141744 10020608 11529856 12838904 13230334 15801728 16283488 20041216 20863219 23059712 25677808 26460668 31603456 32566976 41726438 46119424 51355616 52921336 63206912 65133952 83452876 102711232 105842672 130267904 166905752 205422464 211685344 260535808 271221847 333811504 410844928 423370688 542443694 667623008 821689856 846741376 1084887388 1335246016 1693482752 2169774776 2670492032 3386965504 4339549552 5340984064 8679099104 10681968128 17358198208 34716396416 69432792832 138865585664
• Sum of all divisors σ(n): 308004348960
• Sum of proper divisors (its aliquot sum) s(n): 169138763296
• 138865585664 is an abundant number, because the sum of its proper divisors (169138763296) is greater than itself. Its abundance is 30273177632

Bases of 138865585664

• Binary: 10000001010101000010001010111000000000₂
• Hexadecimal: 0x205508AE00
• Base-36: 1RSKZFNK

Squares and roots of 138865585664

• 138865585664 squared (138865585664²) is 19283650881805722320896
• 138865585664 cubed (138865585664³) is 2677835473442061671957780385234944
• The square root of 138865585664 is 372646.7303814701
• The cube root of 138865585664 is 5178.4311929051

Scales and comparisons

• 138,865,585,664 seconds is equal to 4,415 years, 25 weeks, 5 days, 13 hours, 47 minutes, 44 seconds.
• To count from 1 to 138,865,585,664 would take you about eight thousand, eight hundred thirty 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 138865585664 cubic inches would be around 431.5 feet tall.

Recreational maths with 138865585664

• 138865585664 backwards is 466585568831
• The number of decimal digits it has is: 12
• The sum of 138865585664's digits is 65
• More coming soon!