2138837688

Names of 2138837688

• Cardinal: 2138837688 can be written as Two billion, one hundred thirty-eight million, eight hundred thirty-seven thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 2.138837688 × 10⁹

Factors of 2138837688

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 615

Divisors of 2138837688

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 24 26 36 37 39 52 72 74 78 104 111 117 148 151 156 222 234 296 302 312 333 409 444 453 468 481 604 666 818 888 906 936 962 1208 1227 1332 1359 1443 1636 1812 1924 1963 2454 2664 2718 2886 3272 3624 3681 3848 3926 4329 4908 5317 5436 5587 5772 5889 7362 7852 8658 9816 10634 10872 11174 11544 11778 14724 15133 15704 15951 16761 17316 17667 21268 22348 23556 29448 30266 31902 33522 34632 35334 42536 44696 45399 47112 47853 50283 60532 61759 63804 67044 70668 72631 90798 95706 100566 121064 123518 127608 134088 136197 141336 145262 181596 185277 191412 196729 201132 217893 247036 272394 290524 363192 370554 382824 393458 402264 435786 494072 544788 555831 581048 590187 653679 741108 786916 802867 871572 1089576 1111662 1180374 1307358 1482216 1573832 1605734 1743144 1770561 2223324 2285083 2360748 2408601 2614716 3211468 3541122 4446648 4570166 4721496 4817202 5229432 6422936 6855249 7082244 7225803 9140332 9634404 13710498 14164488 14451606 18280664 19268808 20565747 27420996 28903212 29706079 41131494 54841992 57806424 59412158 82262988 89118237 118824316 164525976 178236474 237648632 267354711 356472948 534709422 712945896 1069418844 2138837688
• Sum of all divisors σ(n): 6465076800
• Sum of proper divisors (its aliquot sum) s(n): 4326239112
• 2138837688 is an abundant number, because the sum of its proper divisors (4326239112) is greater than itself. Its abundance is 2187401424

Bases of 2138837688

• Binary: 1111111011111000001001010111000₂
• Hexadecimal: 0x7F7C12B8
• Base-36: ZDEPQ0

Squares and roots of 2138837688

• 2138837688 squared (2138837688²) is 4574626655609185344
• 2138837688 cubed (2138837688³) is 9784383899546322212724444672
• The square root of 2138837688 is 46247.5695361389
• The cube root of 2138837688 is 1288.4253944461

Scales and comparisons

• 2,138,837,688 seconds is equal to 68 years, 3 days, 1 hour, 34 minutes, 48 seconds.
• To count from 1 to 2,138,837,688 would take you about one hundred thirty-six 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 2138837688 cubic inches would be around 107.4 feet tall.

Recreational maths with 2138837688

• 2138837688 backwards is 8867388312
• The number of decimal digits it has is: 10
• The sum of 2138837688's digits is 54
• More coming soon!