1338388920

Names of 1338388920

• Cardinal: 1338388920 can be written as One billion, three hundred thirty-eight million, three hundred eighty-eight thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.33838892 × 10⁹

Factors of 1338388920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 85

Divisors of 1338388920

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 17 18 20 22 24 27 30 33 34 36 40 44 45 47 51 54 55 60 66 68 72 81 85 88 90 94 99 102 108 110 120 132 135 136 141 153 162 165 170 180 187 188 198 204 216 220 235 255 264 270 282 297 306 324 330 340 360 374 376 396 405 408 423 440 459 470 495 510 517 540 561 564 594 612 648 660 680 705 748 765 792 799 810 846 891 918 935 940 990 1020 1034 1080 1122 1128 1188 1224 1269 1320 1377 1410 1485 1496 1530 1551 1598 1620 1683 1692 1782 1836 1870 1880 1980 2040 2068 2115 2209 2244 2295 2376 2397 2538 2585 2754 2805 2820 2970 3060 3102 3196 3240 3366 3384 3564 3672 3740 3807 3960 3995 4136 4230 4418 4455 4488 4590 4653 4794 5049 5076 5170 5508 5610 5640 5940 6120 6204 6345 6392 6627 6732 6885 7128 7191 7480 7614 7755 7990 8415 8460 8789 8836 8910 9180 9306 9588 10098 10152 10340 11016 11045 11220 11880 11985 12408 12690 13254 13464 13770 13959 14382 15147 15228 15510 15980 16830 16920 17578 17672 17820 18360 18612 19035 19176 19881 20196 20680 21573 22090 22440 23265 23970 24299 25245 25380 26367 26508 27540 27918 28764 30294 30456 31020 31960 33135 33660 35156 35640 35955 37224 37553 38070 39762 40392 41877 43146 43945 44180 46530 47940 48598 50490 50760 52734 53016 55080 55836 57528 59643 60588 62040 64719 66270 67320 69795 70312 71910 72897 75106 75735 76140 79101 79524 83754 86292 87890 88360 93060 95880 97196 99405 100980 105468 107865 111672 112659 119286 121176 121495 129438 131835 132540 139590 143820 145794 150212 151470 152280 158202 159048 167508 172584 175780 178929 186120 187765 194392 198810 201960 209385 210936 215730 218691 225318 237303 238572 242990 258876 263670 265080 279180 287640 291588 298215 300424 302940 316404 323595 335016 337977 351560 357858 364485 375530 395505 397620 413083 418770 431460 437382 450636 474606 477144 485980 517752 527340 558360 563295 583176 596430 605880 632808 647190 656073 675954 711909 715716 728970 751060 791010 795240 826166 837540 862920 874764 894645 901272 949212 971960 1013931 1054680 1093455 1126590 1186515 1192860 1239249 1294380 1312146 1351908 1423818 1431432 1457940 1502120 1582020 1652332 1675080 1689885 1749528 1789290 1898424 1968219 2027862 2065415 2186910 2253180 2373030 2385720 2478498 2588760 2624292 2703816 2847636 2915880 3041793 3164040 3280365 3304664 3379770 3559545 3578580 3717747 3936438 4055724 4130830 4373820 4506360 4746060 4956996 5069655 5248584 5695272 6083586 6196245 6560730 6759540 7119090 7157160 7435494 7872876 8111448 8261660 8747640 9492120 9841095 9913992 10139310 11153241 12167172 12392490 13121460 13519080 14238180 14870988 15208965 15745752 16523320 18588735 19682190 20278620 22306482 24334344 24784980 26242920 28476360 29741976 30417930 33459723 37177470 39364380 40557240 44612964 49569960 55766205 60835860 66919446 74354940 78728760 89225928 111532410 121671720 133838892 148709880 167298615 223064820 267677784 334597230 446129640 669194460 1338388920
• Sum of all divisors σ(n): 5309005680
• Sum of proper divisors (its aliquot sum) s(n): 3970616760
• 1338388920 is an abundant number, because the sum of its proper divisors (3970616760) is greater than itself. Its abundance is 2632227840

Bases of 1338388920

• Binary: 1001111110001100011000110111000₂
• Hexadecimal: 0x4FC631B8
• Base-36: M4UBI0

Squares and roots of 1338388920

• 1338388920 squared (1338388920²) is 1791284901178766400
• 1338388920 cubed (1338388920³) is 2397435864300955889028288000
• The square root of 1338388920 is 36583.9981412639
• The cube root of 1338388920 is 1102.0317600691

Scales and comparisons

• 1,338,388,920 seconds is equal to 42 years, 28 weeks, 6 days, 14 hours, 42 minutes.
• To count from 1 to 1,338,388,920 would take you about eighty-five 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 1338388920 cubic inches would be around 91.8 feet tall.

Recreational maths with 1338388920

• 1338388920 backwards is 0298838331
• 1338388920 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1338388920's digits is 45
• More coming soon!