155383696440

Names of 155383696440

• Cardinal: 155383696440 can be written as One hundred fifty-five billion, three hundred eighty-three million, six hundred ninety-six thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.5538369644 × 10¹¹

Factors of 155383696440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 7655

Divisors of 155383696440

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 27 28 30 35 36 40 42 45 54 56 60 63 70 72 81 84 90 101 105 108 120 126 135 140 162 168 180 189 202 210 216 243 252 270 280 303 315 324 360 378 404 405 420 486 504 505 540 567 606 630 648 707 729 756 808 810 840 909 945 972 1010 1080 1134 1212 1215 1260 1414 1458 1512 1515 1620 1701 1818 1890 1944 2020 2121 2268 2424 2430 2520 2727 2828 2835 2916 3030 3240 3402 3535 3636 3645 3780 4040 4242 4536 4545 4860 5103 5454 5656 5670 5832 6060 6363 6804 7070 7272 7290 7537 7560 8181 8484 8505 9090 9720 10206 10605 10908 11340 12120 12726 13608 13635 14140 14580 15074 16362 16968 17010 18180 19089 20412 21210 21816 22611 22680 24543 25452 25515 27270 28280 29160 30148 31815 32724 34020 36360 37685 38178 40824 40905 42420 45222 49086 50904 51030 52759 54540 57267 60296 63630 65448 67833 68040 73629 75370 76356 81810 84840 90444 95445 98172 102060 105518 109080 113055 114534 122715 127260 135666 147258 150740 152712 158277 163620 171801 180888 190890 196344 203499 204120 211036 226110 229068 245430 254520 263795 271332 286335 294516 301480 316554 327240 339165 343602 368145 381780 406998 422072 452220 458136 474831 490860 515403 527590 542664 572670 589032 610497 633108 678330 687204 736290 761237 763560 791385 813996 859005 904440 949662 981720 1017495 1030806 1055180 1145340 1220994 1266216 1356660 1374408 1424493 1472580 1522474 1582770 1627992 1718010 1831491 1899324 2034990 2061612 2110360 2283711 2290680 2374155 2441988 2577015 2713320 2848986 2945160 3044948 3052485 3165540 3436020 3662982 3798648 3806185 4069980 4123224 4273479 4567422 4748310 4883976 5154030 5328659 5494473 5697972 6089896 6104970 6331080 6851133 6872040 7122465 7325964 7612370 8139960 8546958 9134844 9157455 9496620 10308060 10657318 10988946 11395944 11418555 12209940 12820437 13702266 14244930 14651928 15224740 15985977 17093916 18269688 18314910 18993240 20553399 20616120 21314636 21367395 21977892 22837110 24419880 25640874 26643295 27404532 27472365 28489860 30449480 31971954 34187832 34255665 36629820 38461311 41106798 42629272 42734790 43955784 45674220 47957931 51281748 53286590 54809064 54944730 56979720 61660197 63943908 64102185 68511330 73259640 76922622 79929885 82213596 85469580 91348440 95915862 102563496 102766995 106573180 109889460 123320394 127887816 128204370 137022660 143873793 153845244 159859770 164427192 170939160 184980591 191831724 192306555 205533990 213146360 219778920 239789655 246640788 256408740 274045320 287747586 307690488 308300985 319719540 369961182 383663448 384613110 411067980 431621379 479579310 493281576 512817480 554941773 575495172 616601970 639439080 719368965 739922364 769226220 822135960 863242758 924902955 959158620 1109883546 1150990344 1233203940 1294864137 1438737930 1479844728 1538452440 1726485516 1849805910 1918317240 2158106895 2219767092 2466407880 2589728274 2774708865 2877475860 3452971032 3699611820 3884592411 4316213790 4439534184 5179456548 5549417730 5754951720 6474320685 7399223640 7769184822 8632427580 10358913096 11098835460 12948641370 15538369644 17264855160 19422962055 22197670920 25897282740 31076739288 38845924110 51794565480 77691848220 155383696440
• Sum of all divisors σ(n): 605074656960
• Sum of proper divisors (its aliquot sum) s(n): 449690960520
• 155383696440 is an abundant number, because the sum of its proper divisors (449690960520) is greater than itself. Its abundance is 294307264080

Bases of 155383696440

• Binary: 10010000101101100101110000110000111000₂
• Hexadecimal: 0x242D970C38
• Base-36: 1ZDRFVI0

Squares and roots of 155383696440

• 155383696440 squared (155383696440²) is 24144093119358068673600
• 155383696440 cubed (155383696440³) is 3751598436077426830443335841984000
• The square root of 155383696440 is 394187.3874694623
• The cube root of 155383696440 is 5376.1141681949

Scales and comparisons

• 155,383,696,440 seconds is equal to 4,940 years, 37 weeks, 3 days, 9 hours, 54 minutes.
• To count from 1 to 155,383,696,440 would take you about nine thousand, eight hundred eighty-one 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 155383696440 cubic inches would be around 448 feet tall.

Recreational maths with 155383696440

• 155383696440 backwards is 044696383551
• 155383696440 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 155383696440's digits is 54
• More coming soon!