149869440

Names of 149869440

• Cardinal: 149869440 can be written as One hundred forty-nine million, eight hundred sixty-nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.4986944 × 10⁸

Factors of 149869440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 76

Divisors of 149869440

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 49 54 56 59 60 63 64 70 72 80 81 84 90 96 98 105 108 112 118 120 126 128 135 140 144 147 160 162 168 177 180 189 192 196 210 216 224 236 240 245 252 270 280 288 294 295 315 320 324 336 354 360 378 384 392 405 413 420 432 441 448 472 480 490 504 531 540 560 567 576 588 590 630 640 648 672 708 720 735 756 784 810 826 840 864 882 885 896 944 945 960 980 1008 1062 1080 1120 1134 1152 1176 1180 1239 1260 1296 1323 1344 1416 1440 1470 1512 1568 1593 1620 1652 1680 1728 1764 1770 1888 1890 1920 1960 2016 2065 2124 2160 2205 2240 2268 2352 2360 2478 2520 2592 2646 2655 2688 2832 2835 2880 2891 2940 3024 3136 3186 3240 3304 3360 3456 3528 3540 3717 3776 3780 3920 3969 4032 4130 4248 4320 4410 4480 4536 4704 4720 4779 4956 5040 5184 5292 5310 5664 5670 5760 5782 5880 6048 6195 6272 6372 6480 6608 6615 6720 7056 7080 7434 7552 7560 7840 7938 7965 8064 8260 8496 8640 8673 8820 9072 9408 9440 9558 9912 10080 10368 10584 10620 11151 11328 11340 11564 11760 12096 12390 12744 12960 13216 13230 13440 14112 14160 14455 14868 15120 15680 15876 15930 16520 16992 17280 17346 17640 18144 18585 18816 18880 19116 19824 19845 20160 21168 21240 22302 22656 22680 23128 23520 23895 24192 24780 25488 25920 26019 26432 26460 28224 28320 28910 29736 30240 31360 31752 31860 33040 33453 33984 34692 35280 36288 37170 37760 38232 39648 39690 40320 42336 42480 43365 44604 45360 46256 47040 47790 49560 50976 51840 52038 52864 52920 55755 56448 56640 57820 59472 60480 63504 63720 66080 66906 67968 69384 70560 72576 74340 76464 78057 79296 79380 84672 84960 86730 89208 90720 92512 94080 95580 99120 101952 104076 105840 111510 113280 115640 118944 120960 127008 127440 130095 132160 133812 138768 141120 148680 152928 156114 158592 158760 167265 169344 169920 173460 178416 181440 185024 191160 198240 203904 208152 211680 223020 231280 234171 237888 254016 254880 260190 264320 267624 277536 282240 297360 305856 312228 317520 334530 339840 346920 356832 362880 370048 382320 390285 396480 416304 423360 446040 462560 468342 475776 508032 509760 520380 535248 555072 594720 611712 624456 635040 669060 693840 713664 764640 780570 792960 832608 846720 892080 925120 936684 1019520 1040760 1070496 1110144 1170855 1189440 1248912 1270080 1338120 1387680 1427328 1529280 1561140 1665216 1784160 1850240 1873368 2081520 2140992 2341710 2378880 2497824 2540160 2676240 2775360 3058560 3122280 3330432 3568320 3746736 4163040 4281984 4683420 4995648 5352480 5550720 6244560 7136640 7493472 8326080 9366840 9991296 10704960 12489120 14986944 16652160 18733680 21409920 24978240 29973888 37467360 49956480 74934720 149869440
• Sum of all divisors σ(n): 633144600
• Sum of proper divisors (its aliquot sum) s(n): 483275160
• 149869440 is an abundant number, because the sum of its proper divisors (483275160) is greater than itself. Its abundance is 333405720

Bases of 149869440

• Binary: 1000111011101101001110000000₂
• Hexadecimal: 0x8EED380
• Base-36: 2H8800

Squares and roots of 149869440

• 149869440 squared (149869440²) is 22460849045913600
• 149869440 cubed (149869440³) is 3366194868435605520384000
• The square root of 149869440 is 12242.1174639031
• The cube root of 149869440 is 531.1750835073

Scales and comparisons

• 149,869,440 seconds is equal to 4 years, 39 weeks, 5 days, 14 hours, 24 minutes.
• To count from 1 to 149,869,440 would take you about seven 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 149869440 cubic inches would be around 44.3 feet tall.

Recreational maths with 149869440

• 149869440 backwards is 044968941
• 149869440 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 149869440's digits is 45
• More coming soon!