2138379776

Names of 2138379776

• Cardinal: 2138379776 can be written as Two billion, one hundred thirty-eight million, three hundred seventy-nine thousand, seven hundred seventy-six.

Scientific notation

• Scientific notation: 2.138379776 × 10⁹

Factors of 2138379776

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 528

Divisors of 2138379776

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 8 13 16 19 26 32 37 38 52 64 74 76 104 128 148 152 208 247 256 296 304 416 457 481 494 512 592 608 703 832 914 962 988 1184 1216 1406 1664 1828 1924 1976 2368 2432 2812 3328 3656 3848 3952 4736 4864 5624 5941 6656 7312 7696 7904 8683 9139 9472 9728 11248 11882 14624 15392 15808 16909 17366 18278 18944 22496 23764 29248 30784 31616 33818 34732 36556 44992 47528 58496 61568 63232 67636 69464 73112 89984 95056 112879 116992 123136 126464 135272 138928 146224 179968 190112 219817 225758 233984 246272 270544 277856 292448 321271 359936 380224 439634 451516 541088 555712 584896 642542 760448 879268 903032 1082176 1111424 1169792 1285084 1520896 1758536 1806064 2164352 2222848 2339584 2570168 3041792 3517072 3612128 4176523 4328704 4445696 4679168 5140336 7034144 7224256 8353046 8657408 10280672 14068288 14448512 16706092 20561344 28136576 28897024 33412184 41122688 56273152 57794048 66824368 82245376 112546304 133648736 164490752 267297472 534594944 1069189888 2138379776
• Sum of all divisors σ(n): 4985201760
• Sum of proper divisors (its aliquot sum) s(n): 2846821984
• 2138379776 is an abundant number, because the sum of its proper divisors (2846821984) is greater than itself. Its abundance is 708442208

Bases of 2138379776

• Binary: 1111111011101010001011000000000₂
• Hexadecimal: 0x7F751600
• Base-36: ZD4WE8

Squares and roots of 2138379776

• 2138379776 squared (2138379776²) is 4572668066405810176
• 2138379776 cubed (2138379776³) is 9778100915563209489253400576
• The square root of 2138379776 is 46242.6186109741
• The cube root of 2138379776 is 1288.3334398981

Scales and comparisons

• 2,138,379,776 seconds is equal to 67 years, 51 weeks, 4 days, 18 hours, 22 minutes, 56 seconds.
• To count from 1 to 2,138,379,776 would take you about one hundred thirty-five 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 2138379776 cubic inches would be around 107.4 feet tall.

Recreational maths with 2138379776

• 2138379776 backwards is 6779738312
• The number of decimal digits it has is: 10
• The sum of 2138379776's digits is 53
• More coming soon!