138558726488

Names of 138558726488

• Cardinal: 138558726488 can be written as One hundred thirty-eight billion, five hundred fifty-eight million, seven hundred twenty-six thousand, four hundred eighty-eight.

Scientific notation

• Scientific notation: 1.38558726488 × 10¹¹

Factors of 138558726488

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 62283

Divisors of 138558726488

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 8 13 14 19 23 26 28 38 46 49 52 56 76 91 92 98 104 133 152 161 182 184 196 247 266 299 322 364 392 437 494 532 598 637 644 728 874 931 988 1064 1127 1196 1274 1288 1729 1748 1862 1976 2093 2254 2392 2548 3059 3458 3496 3724 4186 4508 5096 5681 6118 6916 7448 8372 9016 11362 12103 12236 13832 14651 16744 21413 22724 24206 24472 29302 39767 42826 45448 48412 58604 62219 79534 85652 96824 117208 124438 159068 171304 248876 278369 318136 435533 497752 556738 808847 871066 1113476 1182161 1431037 1617694 1742132 2226952 2364322 2862074 3048731 3235388 3484264 4728644 5661929 5724148 6097462 6470776 8275127 9457288 10017259 11323858 11448296 12194924 15368093 16550254 18603481 20034518 22647716 24389848 27189703 30736186 33100508 37206962 39633503 40069036 45295432 54379406 57925889 61472372 66201016 70120813 74413924 79267006 80138072 107576651 108758812 115851778 122944744 130224367 140241626 148827848 158534012 190327921 215153302 217517624 231703556 260448734 280483252 317068024 353466139 380655842 430306604 463407112 520897468 560966504 706932278 753036557 761311684 860613208 911570569 1041794936 1332295447 1413864556 1506073114 1522623368 1823141138 2474262973 2664590894 2827729112 3012146228 3646282276 4948525946 5329181788 6024292456 7292564552 9897051892 10658363576 17319840811 19794103784 34639681622 69279363244 138558726488
• Sum of all divisors σ(n): 357491232000
• Sum of proper divisors (its aliquot sum) s(n): 218932505512
• 138558726488 is an abundant number, because the sum of its proper divisors (218932505512) is greater than itself. Its abundance is 80373779024

Bases of 138558726488

• Binary: 10000001000010101111100110000101011000₂
• Hexadecimal: 0x2042BE6158
• Base-36: 1RNIADLK

Squares and roots of 138558726488

• 138558726488 squared (138558726488²) is 19198520685976392814144
• 138558726488 cubed (138558726488³) is 2660122576702413149159827113846272
• The square root of 138558726488 is 372234.7733460699
• The cube root of 138558726488 is 5174.6140219551

Scales and comparisons

• 138,558,726,488 seconds is equal to 4,405 years, 38 weeks, 2 days, 23 hours, 8 minutes, 8 seconds.
• To count from 1 to 138,558,726,488 would take you about eight thousand, eight hundred eleven 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 138558726488 cubic inches would be around 431.2 feet tall.

Recreational maths with 138558726488

• 138558726488 backwards is 884627855831
• The number of decimal digits it has is: 12
• The sum of 138558726488's digits is 65
• More coming soon!