13939380

Names of 13939380

• Cardinal: 13939380 can be written as Thirteen million, nine hundred thirty-nine thousand, three hundred eighty.

Scientific notation

• Scientific notation: 1.393938 × 10⁷

Factors of 13939380

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 90

Divisors of 13939380

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 23 26 28 30 35 36 37 39 42 45 46 52 60 63 65 69 70 74 78 84 90 91 92 105 111 115 117 126 130 138 140 148 156 161 180 182 185 195 207 210 222 230 234 252 259 260 273 276 299 315 322 333 345 364 370 390 414 420 444 455 460 468 481 483 518 546 555 585 598 630 644 666 690 740 777 780 805 819 828 851 897 910 962 966 1035 1036 1092 1110 1170 1196 1260 1295 1332 1365 1380 1443 1449 1495 1554 1610 1638 1665 1702 1794 1820 1924 1932 2070 2093 2220 2331 2340 2405 2415 2553 2590 2691 2730 2886 2898 2990 3108 3220 3276 3330 3367 3404 3588 3885 4095 4140 4186 4255 4329 4485 4662 4810 4830 5106 5180 5382 5460 5772 5796 5957 5980 6279 6660 6734 7215 7245 7659 7770 8190 8372 8510 8658 8970 9324 9620 9660 10101 10212 10465 10764 11063 11655 11914 12558 12765 13455 13468 14430 14490 15318 15540 16380 16835 17020 17316 17871 17940 18837 20202 20930 21645 22126 23310 23828 25116 25530 26910 28860 28980 29785 30303 30636 31395 33189 33670 35742 37674 38295 40404 41860 43290 44252 46620 50505 51060 53613 53820 55315 59570 60606 62790 66378 67340 71484 75348 76590 77441 86580 89355 94185 99567 101010 107226 110630 119140 121212 125580 132756 151515 153180 154882 165945 178710 188370 199134 202020 214452 221260 232323 268065 303030 309764 331890 357420 376740 387205 398268 464646 497835 536130 606060 663780 696969 774410 929292 995670 1072260 1161615 1393938 1548820 1991340 2323230 2787876 3484845 4646460 6969690 13939380
• Sum of all divisors σ(n): 55770624
• Sum of proper divisors (its aliquot sum) s(n): 41831244
• 13939380 is an abundant number, because the sum of its proper divisors (41831244) is greater than itself. Its abundance is 27891864

Bases of 13939380

• Binary: 110101001011001010110100₂
• Hexadecimal: 0xD4B2B4
• Base-36: 8ARP0

Squares and roots of 13939380

• 13939380 squared (13939380²) is 194306314784400
• 13939380 cubed (13939380³) is 2708509558179369672000
• The square root of 13939380 is 3733.5479105003
• The cube root of 13939380 is 240.6658592561

Scales and comparisons

• 13,939,380 seconds is equal to 23 weeks, 8 hours, 3 minutes.
• To count from 1 to 13,939,380 would take you about thirty-four weeks!

  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 13939380 cubic inches would be around 20.1 feet tall.

Recreational maths with 13939380

• 13939380 backwards is 08393931
• 13939380 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13939380's digits is 36
• More coming soon!