138480777240

Names of 138480777240

• Cardinal: 138480777240 can be written as One hundred thirty-eight billion, four hundred eighty million, seven hundred seventy-seven thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.3848077724 × 10¹¹

Factors of 138480777240

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 31134

Divisors of 138480777240

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 19 20 24 26 30 38 39 40 52 57 60 65 76 78 95 104 114 120 130 151 152 156 190 195 228 247 260 285 302 312 380 390 453 456 494 520 570 604 741 755 760 780 906 988 1140 1208 1235 1482 1510 1560 1812 1963 1976 2265 2280 2470 2869 2964 3020 3624 3705 3926 4530 4940 5738 5889 5928 6040 7410 7852 8607 9060 9815 9880 11476 11778 14345 14820 15704 17214 18120 19630 22952 23556 28690 29445 29640 30941 34428 37297 39260 43035 47112 57380 58890 61882 68856 74594 78520 86070 92823 111891 114760 117780 123764 149188 154705 172140 185646 186485 223782 235560 247528 298376 309410 344280 371292 372970 402233 447564 464115 559455 587879 618820 742584 745940 804466 895128 928230 1118910 1175758 1206699 1237640 1491880 1608932 1763637 1856460 2011165 2237820 2351516 2413398 2939395 3217864 3527274 3712920 4022330 4475640 4672091 4703032 4826796 5878790 6033495 7054548 7642427 8044660 8818185 9344182 9653592 11757580 12066990 14016273 14109096 15284854 16089320 17636370 18688364 22927281 23360455 23515160 24133980 28032546 30569708 35272740 37376728 38212135 45854562 46720910 48267960 56065092 60737183 61139416 70081365 70545480 76424270 88769729 91709124 93441820 112130184 114636405 121474366 140162730 152848540 177539458 182211549 183418248 186883640 229272810 242948732 266309187 280325460 303685915 305697080 355078916 364423098 443848645 458545620 485897464 532618374 560650920 607371830 710157832 728846196 887697290 911057745 917091240 1065236748 1154006477 1214743660 1331545935 1457692392 1775394580 1822115490 2130473496 2308012954 2429487320 2663091870 3462019431 3550789160 3644230980 4616025908 5326183740 5770032385 6924038862 7288461960 9232051816 10652367480 11540064770 13848077724 17310097155 23080129540 27696155448 34620194310 46160259080 69240388620 138480777240
• Sum of all divisors σ(n): 474080947200
• Sum of proper divisors (its aliquot sum) s(n): 335600169960
• 138480777240 is an abundant number, because the sum of its proper divisors (335600169960) is greater than itself. Its abundance is 197119392720

Bases of 138480777240

• Binary: 10000000111110000110001111100000011000₂
• Hexadecimal: 0x203E18F818
• Base-36: 1RM7VNKO

Squares and roots of 138480777240

• 138480777240 squared (138480777240²) is 19176925664994502017600
• 138480777240 cubed (138480777240³) is 2655635571162142499723996159424000
• The square root of 138480777240 is 372130.0542014847
• The cube root of 138480777240 is 5173.6434757595

Scales and comparisons

• 138,480,777,240 seconds is equal to 4,403 years, 13 weeks, 3 days, 18 hours, 34 minutes.
• To count from 1 to 138,480,777,240 would take you about eight thousand, eight hundred 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 138480777240 cubic inches would be around 431.1 feet tall.

Recreational maths with 138480777240

• 138480777240 backwards is 042777084831
• The number of decimal digits it has is: 12
• The sum of 138480777240's digits is 51
• More coming soon!