1538340938688

Names of 1538340938688

• Cardinal: 1538340938688 can be written as One trillion, five hundred thirty-eight billion, three hundred forty million, nine hundred thirty-eight thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 1.538340938688 × 10¹²

Factors of 1538340938688

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 141406

Divisors of 1538340938688

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 31 32 48 59 62 64 93 96 118 124 177 186 192 236 248 354 372 472 496 708 744 944 961 992 1416 1488 1829 1888 1922 1984 2832 2883 2976 3658 3776 3844 5487 5664 5766 5952 7316 7688 10974 11328 11532 14632 15376 21948 23064 29264 30752 43896 46128 56699 58528 61504 87792 92256 113398 117056 141311 170097 175584 184512 226796 282622 340194 351168 423933 453592 565244 680388 847866 907184 1130488 1360776 1695732 1814368 2260976 2721552 3391464 3628736 4380641 4521952 5443104 6782928 8337349 8761282 9043904 10886208 13141923 13565856 16674698 17522564 25012047 26283846 27131712 33349396 35045128 50024094 52567692 66698792 70090256 100048188 105135384 133397584 135799871 140180512 200096376 210270768 258457819 266795168 271599742 280361024 400192752 407399613 420541536 516915638 533590336 543199484 775373457 800385504 814799226 841083072 1033831276 1086398968 1550746914 1600771008 1629598452 2067662552 2172797936 3101493828 3259196904 4135325104 4345595872 6202987656 6518393808 8012192389 8270650208 8691191744 12405975312 13036787616 16024384778 16541300416 24036577167 24811950624 26073575232 32048769556 48073154334 49623901248 64097539112 96146308668 128195078224 192292617336 256390156448 384585234672 512780312896 769170469344 1538340938688
• Sum of all divisors σ(n): 4277039431680
• Sum of proper divisors (its aliquot sum) s(n): 2738698492992
• 1538340938688 is an abundant number, because the sum of its proper divisors (2738698492992) is greater than itself. Its abundance is 1200357554304

Bases of 1538340938688

• Binary: 10110011000101100010000111110001111000000₂
• Hexadecimal: 0x1662C43E3C0
• Base-36: JMPCH51C

Squares and roots of 1538340938688

• 1538340938688 squared (1538340938688²) is 2366492843643476975161344
• 1538340938688 cubed (1538340938688³) is 3640472822488940783977816789211676672
• The square root of 1538340938688 is 1240298.7296163775
• The cube root of 1538340938688 is 11543.8550765119

Scales and comparisons

• 1,538,340,938,688 seconds is equal to 48,914 years, 25 weeks, 23 hours, 24 minutes, 48 seconds.
• To count from 1 to 1,538,340,938,688 would take you about one hundred twenty-two thousand, two hundred eighty-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 1538340938688 cubic inches would be around 962 feet tall.

Recreational maths with 1538340938688

• 1538340938688 backwards is 8868390438351
• The number of decimal digits it has is: 13
• The sum of 1538340938688's digits is 66
• More coming soon!