155131146240

Names of 155131146240

• Cardinal: 155131146240 can be written as One hundred fifty-five billion, one hundred thirty-one million, one hundred forty-six thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.5513114624 × 10¹¹

Factors of 155131146240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 244

Divisors of 155131146240

• Number of divisors d(n): 468
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 49 56 60 64 70 80 84 96 98 105 112 120 128 140 147 160 168 192 196 210 224 227 240 245 256 280 294 320 336 384 392 420 448 454 480 490 512 560 588 640 672 681 735 768 784 840 896 908 960 980 1024 1120 1135 1176 1280 1344 1362 1470 1536 1568 1589 1680 1792 1816 1920 1960 2048 2240 2270 2352 2560 2688 2724 2940 3072 3136 3178 3360 3405 3584 3632 3840 3920 4096 4480 4540 4704 4767 5120 5376 5448 5880 6144 6272 6356 6720 6810 7168 7264 7680 7840 7945 8960 9080 9408 9534 10240 10752 10896 11123 11760 12288 12544 12712 13440 13620 14336 14528 15360 15680 15890 17920 18160 18816 19068 20480 21504 21792 22246 23520 23835 25088 25424 26880 27240 28672 29056 30720 31360 31780 33369 35840 36320 37632 38136 43008 43584 44492 47040 47670 50176 50848 51529 53760 54480 55615 58112 61440 62720 63560 66738 71680 72640 75264 76272 86016 87168 88984 94080 95340 100352 101696 103058 107520 108960 111230 116224 125440 127120 133476 143360 145280 150528 152544 154587 166845 174336 177968 188160 190680 200704 203392 206116 215040 217920 222460 232448 250880 254240 257645 266952 290560 301056 305088 309174 333690 348672 355936 360703 376320 381360 406784 412232 430080 435840 444920 464896 501760 508480 515290 533904 581120 602112 610176 618348 667380 697344 711872 721406 752640 762720 772935 813568 824464 871680 889840 929792 1003520 1016960 1030580 1067808 1082109 1162240 1220352 1236696 1334760 1394688 1423744 1442812 1505280 1525440 1545870 1627136 1648928 1743360 1779680 1803515 2033920 2061160 2135616 2164218 2324480 2440704 2473392 2524921 2669520 2789376 2847488 2885624 3010560 3050880 3091740 3254272 3297856 3486720 3559360 3607030 4067840 4122320 4271232 4328436 4648960 4881408 4946784 5049842 5339040 5410545 5694976 5771248 6101760 6183480 6508544 6595712 6973440 7118720 7214060 7574763 8135680 8244640 8542464 8656872 9762816 9893568 10099684 10678080 10821090 11389952 11542496 12203520 12366960 12624605 13191424 13946880 14237440 14428120 15149526 16271360 16489280 17084928 17313744 19525632 19787136 20199368 21356160 21642180 22779904 23084992 24407040 24733920 25249210 26382848 28474880 28856240 30299052 32542720 32978560 34169856 34627488 37873815 39574272 40398736 42712320 43284360 45559808 46169984 48814080 49467840 50498420 52765696 56949760 57712480 60598104 65957120 68339712 69254976 75747630 79148544 80797472 85424640 86568720 92339968 97628160 98935680 100996840 105531392 113899520 115424960 121196208 131914240 136679424 138509952 151495260 158297088 161594944 170849280 173137440 184679936 197871360 201993680 211062784 227799040 230849920 242392416 263828480 277019904 302990520 316594176 323189888 341698560 346274880 369359872 395742720 403987360 461699840 484784832 527656960 554039808 605981040 633188352 646379776 683397120 692549760 738719744 791485440 807974720 923399680 969569664 1055313920 1108079616 1211962080 1292759552 1385099520 1477439488 1582970880 1615949440 1846799360 1939139328 2216159232 2423924160 2585519104 2770199040 3165941760 3231898880 3693598720 3878278656 4432318464 4847848320 5171038208 5540398080 6463797760 7387197440 7756557312 9695696640 10342076416 11080796160 12927595520 15513114624 19391393280 22161592320 25855191040 31026229248 38782786560 51710382080 77565573120 155131146240
• Sum of all divisors σ(n): 579952091016
• Sum of proper divisors (its aliquot sum) s(n): 424820944776
• 155131146240 is an abundant number, because the sum of its proper divisors (424820944776) is greater than itself. Its abundance is 269689798536

Bases of 155131146240

• Binary: 10010000011110100010010111000000000000₂
• Hexadecimal: 0x241E897000
• Base-36: 1Z9L2UIO

Squares and roots of 155131146240

• 155131146240 squared (155131146240²) is 24065672533736266137600
• 155131146240 cubed (155131146240³) is 3733335365194992035783585562624000
• The square root of 155131146240 is 393866.9143759095
• The cube root of 155131146240 is 5373.1999307365

Scales and comparisons

• 155,131,146,240 seconds is equal to 4,932 years, 35 weeks, 6 days, 9 hours, 4 minutes.
• To count from 1 to 155,131,146,240 would take you about nine thousand, eight hundred sixty-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 155131146240 cubic inches would be around 447.8 feet tall.

Recreational maths with 155131146240

• 155131146240 backwards is 042641131551
• The number of decimal digits it has is: 12
• The sum of 155131146240's digits is 33
• More coming soon!