2138777600

Names of 2138777600

• Cardinal: 2138777600 can be written as Two billion, one hundred thirty-eight million, seven hundred seventy-seven thousand, six hundred.

Scientific notation

• Scientific notation: 2.1387776 × 10⁹

Factors of 2138777600

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1173

Divisors of 2138777600

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 37 40 50 64 74 80 100 128 148 160 185 200 256 296 320 370 400 512 592 640 740 800 925 1024 1129 1184 1280 1480 1600 1850 2048 2258 2368 2560 2960 3200 3700 4516 4736 5120 5645 5920 6400 7400 9032 9472 10240 11290 11840 12800 14800 18064 18944 22580 23680 25600 28225 29600 36128 37888 41773 45160 47360 51200 56450 59200 72256 75776 83546 90320 94720 112900 118400 144512 167092 180640 189440 208865 225800 236800 289024 334184 361280 378880 417730 451600 473600 578048 668368 722560 835460 903200 947200 1044325 1156096 1336736 1445120 1670920 1806400 1894400 2088650 2312192 2673472 2890240 3341840 3612800 4177300 5346944 5780480 6683680 7225600 8354600 10693888 11560960 13367360 14451200 16709200 21387776 26734720 28902400 33418400 42775552 53469440 57804800 66836800 85551104 106938880 133673600 213877760 267347200 427755520 534694400 1069388800 2138777600
• Sum of all divisors σ(n): 5451018300
• Sum of proper divisors (its aliquot sum) s(n): 3312240700
• 2138777600 is an abundant number, because the sum of its proper divisors (3312240700) is greater than itself. Its abundance is 1173463100

Bases of 2138777600

• Binary: 1111111011110110010100000000000₂
• Hexadecimal: 0x7F7B2800
• Base-36: ZDDFCW

Squares and roots of 2138777600

• 2138777600 squared (2138777600²) is 4574369622261760000
• 2138777600 cubed (2138777600³) is 9783559282213913624576000000
• The square root of 2138777600 is 46246.9198974375
• The cube root of 2138777600 is 1288.4133287603

Scales and comparisons

• 2,138,777,600 seconds is equal to 68 years, 2 days, 8 hours, 53 minutes, 20 seconds.
• To count from 1 to 2,138,777,600 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 2138777600 cubic inches would be around 107.4 feet tall.

Recreational maths with 2138777600

• 2138777600 backwards is 0067778312
• The number of decimal digits it has is: 10
• The sum of 2138777600's digits is 41
• More coming soon!