165538124128

Names of 165538124128

• Cardinal: 165538124128 can be written as One hundred sixty-five billion, five hundred thirty-eight million, one hundred twenty-four thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.65538124128 × 10¹¹

Factors of 165538124128

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1961

Divisors of 165538124128

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 8 13 16 26 31 32 52 62 73 101 104 124 146 202 208 248 292 403 404 416 496 584 806 808 949 992 1168 1313 1612 1616 1741 1898 2263 2336 2626 3131 3224 3232 3482 3796 4526 5252 6262 6448 6964 7373 7592 9052 10504 12524 12896 13928 14746 15184 18104 21008 22633 25048 27856 29419 29492 30368 36208 40703 42016 45266 50096 53971 55712 58838 58984 72416 81406 90532 95849 100192 107942 117676 117968 127093 162812 175841 181064 191698 215884 228563 235352 235936 254186 325624 351682 362128 383396 431768 457126 470704 508372 651248 701623 703364 724256 766792 863536 914252 941408 1016744 1302496 1403246 1406728 1533584 1652209 1727072 1828504 2033488 2285933 2806492 2813456 2971319 3067168 3304418 3657008 3939883 4066976 4571866 5451071 5612984 5626912 5942638 6608836 7314016 7879766 9143732 10902142 11225968 11885276 12836393 13217672 15759532 18287464 21804284 22451936 23770552 25672786 26435344 31519064 36574928 43608568 47541104 51218479 51345572 52870688 63038128 70863923 73149856 87217136 95082208 102436958 102691144 126076256 141727846 166873109 174434272 204873916 205382288 283455692 333746218 397928183 409747832 410764576 566911384 667492436 795856366 819495664 1133822768 1334984872 1591712732 1638991328 2267645536 2669969744 3183425464 5173066379 5339939488 6366850928 10346132758 12733701856 20692265516 41384531032 82769062064 165538124128
• Sum of all divisors σ(n): 371106537984
• Sum of proper divisors (its aliquot sum) s(n): 205568413856
• 165538124128 is an abundant number, because the sum of its proper divisors (205568413856) is greater than itself. Its abundance is 40030289728

Bases of 165538124128

• Binary: 10011010001010110101110101000101100000₂
• Hexadecimal: 0x268AD75160
• Base-36: 241P4I1S

Squares and roots of 165538124128

• 165538124128 squared (165538124128²) is 27402870539817135760384
• 165538124128 cubed (165538124128³) is 4536219784883763385923874256945152
• The square root of 165538124128 is 406863.7660544375
• The cube root of 165538124128 is 5490.7627219355

Scales and comparisons

• 165,538,124,128 seconds is equal to 5,263 years, 31 weeks, 1 day, 12 hours, 15 minutes, 28 seconds.
• To count from 1 to 165,538,124,128 would take you about ten thousand, five hundred twenty-seven 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 165538124128 cubic inches would be around 457.6 feet tall.

Recreational maths with 165538124128

• 165538124128 backwards is 821421835561
• The number of decimal digits it has is: 12
• The sum of 165538124128's digits is 46
• More coming soon!