138027240

Names of 138027240

• Cardinal: 138027240 can be written as One hundred thirty-eight million, twenty-seven thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.3802724 × 10⁸

Factors of 138027240

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 165

Divisors of 138027240

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 27 29 30 36 39 40 45 52 54 58 60 65 72 78 81 87 90 104 108 113 116 117 120 130 135 145 156 162 174 180 195 216 226 232 234 260 261 270 290 312 324 339 348 351 360 377 390 405 435 452 468 520 522 540 565 580 585 648 678 696 702 754 780 783 810 870 904 936 1017 1044 1053 1080 1130 1131 1160 1170 1305 1356 1404 1469 1508 1560 1566 1620 1695 1740 1755 1885 2034 2088 2106 2260 2262 2340 2349 2610 2712 2808 2938 3016 3051 3132 3240 3277 3390 3393 3480 3510 3770 3915 4068 4212 4407 4520 4524 4680 4698 5085 5220 5265 5655 5876 6102 6264 6554 6780 6786 7020 7345 7540 7830 8136 8424 8814 9048 9153 9396 9831 10170 10179 10440 10530 11310 11745 11752 12204 13108 13221 13560 13572 14040 14690 15080 15255 15660 16385 16965 17628 18306 18792 19662 20340 20358 21060 22035 22620 23490 24408 26216 26442 27144 29380 29493 30510 30537 31320 32770 33930 35256 36612 39324 39663 40680 40716 42120 42601 44070 45240 45765 46980 49155 50895 52884 58760 58986 61020 61074 65540 66105 67860 73224 78648 79326 81432 85202 88140 88479 91530 93960 98310 101790 105768 117972 118989 122040 122148 127803 131080 132210 135720 147465 152685 158652 170404 176280 176958 183060 196620 198315 203580 213005 235944 237978 244296 255606 264420 265437 294930 305370 317304 340808 353916 366120 383409 393240 396630 407160 426010 442395 475956 511212 528840 530874 589860 594945 610740 639015 707832 766818 793260 852020 884790 951912 1022424 1061748 1150227 1179720 1189890 1221480 1278030 1327185 1533636 1586520 1704040 1769580 1917045 2123496 2300454 2379780 2556060 2654370 3067272 3450681 3539160 3834090 4600908 4759560 5112120 5308740 5751135 6901362 7668180 9201816 10617480 11502270 13802724 15336360 17253405 23004540 27605448 34506810 46009080 69013620 138027240
• Sum of all divisors σ(n): 521413200
• Sum of proper divisors (its aliquot sum) s(n): 383385960
• 138027240 is an abundant number, because the sum of its proper divisors (383385960) is greater than itself. Its abundance is 245358720

Bases of 138027240

• Binary: 1000001110100010000011101000₂
• Hexadecimal: 0x83A20E8
• Base-36: 2A6EI0

Squares and roots of 138027240

• 138027240 squared (138027240²) is 19051518982017600
• 138027240 cubed (138027240³) is 2629628582895498959424000
• The square root of 138027240 is 11748.4994786569
• The cube root of 138027240 is 516.7989246337

Scales and comparisons

• 138,027,240 seconds is equal to 4 years, 20 weeks, 1 day, 12 hours, 54 minutes.
• To count from 1 to 138,027,240 would take you about 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 138027240 cubic inches would be around 43.1 feet tall.

Recreational maths with 138027240

• 138027240 backwards is 042720831
• 138027240 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 138027240's digits is 27
• More coming soon!