155448145920

Names of 155448145920

• Cardinal: 155448145920 can be written as One hundred fifty-five billion, four hundred forty-eight million, one hundred forty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.5544814592 × 10¹¹

Factors of 155448145920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 262

Divisors of 155448145920

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 31 32 40 46 47 48 60 62 64 69 80 92 93 94 96 115 120 124 128 138 141 151 155 160 184 186 188 192 230 235 240 248 256 276 282 302 310 320 345 368 372 376 384 453 460 465 470 480 496 512 552 564 604 620 640 690 705 713 736 744 752 755 768 906 920 930 940 960 992 1024 1081 1104 1128 1208 1240 1280 1380 1410 1426 1457 1472 1488 1504 1510 1536 1812 1840 1860 1880 1920 1984 2048 2139 2162 2208 2256 2265 2416 2480 2560 2760 2820 2852 2914 2944 2976 3008 3020 3072 3243 3473 3565 3624 3680 3720 3760 3840 3968 4278 4324 4371 4416 4512 4530 4681 4832 4960 5120 5405 5520 5640 5704 5828 5888 5952 6016 6040 6144 6486 6946 7097 7130 7248 7285 7360 7440 7520 7680 7936 8556 8648 8742 8832 9024 9060 9362 9664 9920 10240 10419 10695 10810 11040 11280 11408 11656 11776 11904 12032 12080 12972 13892 14043 14194 14260 14496 14570 14720 14880 15040 15360 15872 16215 17112 17296 17365 17484 17664 18048 18120 18724 19328 19840 20838 21291 21390 21620 21855 22080 22560 22816 23312 23405 23552 23808 24064 24160 25944 27784 28086 28388 28520 28992 29140 29440 29760 30080 30720 31744 32430 33511 34224 34592 34730 34968 35328 35485 36096 36240 37448 38656 39680 41676 42582 42780 43240 43710 44160 45120 45632 46624 46810 47104 47616 48128 48320 51888 52095 55568 56172 56776 57040 57984 58280 58880 59520 60160 63488 64860 67022 68448 69184 69460 69936 70215 70656 70970 72192 72480 74896 77312 79360 83352 85164 85560 86480 87420 88320 90240 91264 93248 93620 95232 96256 96640 100533 103776 104190 106455 107663 111136 112344 113552 114080 115968 116560 117760 119040 120320 129720 134044 136896 138368 138920 139872 140430 141312 141940 144384 144960 149792 154624 158720 163231 166704 167555 170328 171120 172960 174840 176640 180480 182528 186496 187240 190464 193280 201066 207552 208380 212910 215326 220007 222272 224688 227104 228160 231936 233120 235520 238080 240640 259440 268088 273792 276736 277840 279744 280860 283880 288768 289920 299584 309248 317440 322989 326462 333408 335110 340656 342240 345920 349680 353280 360960 365056 372992 374480 386560 402132 415104 416760 425820 430652 440014 444544 449376 454208 456320 463872 466240 476160 481280 489693 502665 518880 536176 538315 547584 553472 555680 559488 561720 567760 579840 599168 645978 652924 660021 666816 670220 681312 684480 691840 699360 706560 721920 730112 745984 748960 773120 804264 816155 830208 833520 851640 861304 880028 889088 898752 908416 912640 927744 932480 952320 979386 1005330 1037760 1072352 1076630 1095168 1100035 1106944 1111360 1118976 1123440 1135520 1159680 1198336 1291956 1305848 1320042 1333632 1340440 1362624 1368960 1383680 1398720 1443840 1460224 1491968 1497920 1546240 1608528 1614945 1632310 1660416 1667040 1703280 1722608 1760056 1778176 1797504 1816832 1825280 1864960 1958772 2010660 2075520 2144704 2153260 2190336 2200070 2213888 2222720 2237952 2246880 2271040 2319360 2396672 2448465 2583912 2611696 2640084 2667264 2680880 2725248 2737920 2767360 2797440 2983936 2995840 3217056 3229890 3264620 3300105 3320832 3334080 3406560 3445216 3520112 3556352 3595008 3633664 3650560 3729920 3917544 4021320 4151040 4289408 4306520 4380672 4400140 4445440 4475904 4493760 4542080 4638720 4793344 4896930 5060161 5167824 5223392 5280168 5334528 5361760 5450496 5475840 5534720 5594880 5991680 6434112 6459780 6529240 6600210 6641664 6668160 6813120 6890432 7040224 7112704 7190016 7267328 7301120 7459840 7835088 8042640 8302080 8578816 8613040 8800280 8890880 8951808 8987520 9084160 9586688 9793860 10120322 10335648 10446784 10560336 10669056 10723520 10900992 10951680 11069440 11189760 11983360 12868224 12919560 13058480 13200420 13336320 13626240 13780864 14080448 14380032 14534656 14919680 15180483 15670176 16085280 16604160 17157632 17226080 17600560 17781760 17975040 18168320 19587720 20240644 20671296 20893568 21120672 21338112 21447040 21801984 21903360 22379520 23966720 25300805 25736448 25839120 26116960 26400840 26672640 27252480 27561728 28160896 28760064 30360966 31340352 32170560 33208320 34315264 34452160 35201120 35563520 35950080 36336640 39175440 40481288 41342592 41787136 42241344 42894080 43603968 44759040 47933440 50601610 51472896 51678240 52233920 52801680 53345280 54504960 55123456 56321792 60721932 62680704 64341120 68630528 68904320 70402240 71900160 72673280 75902415 78350880 80962576 82685184 83574272 84482688 85788160 101203220 102945792 103356480 104467840 105603360 106690560 109009920 110246912 112643584 121443864 125361408 128682240 137808640 140804480 143800320 151804830 156701760 161925152 165370368 167148544 168965376 171576320 202406440 205891584 206712960 208935680 211206720 218019840 220493824 225287168 242887728 250722816 257364480 275617280 281608960 303609660 313403520 323850304 330740736 334297088 337930752 343152640 404812880 413425920 417871360 422413440 450574336 485775456 501445632 514728960 551234560 563217920 607219320 626807040 647700608 661481472 675861504 809625760 826851840 835742720 844826880 971550912 1002891264 1029457920 1102469120 1126435840 1214438640 1253614080 1295401216 1351723008 1619251520 1653703680 1671485440 1689653760 1943101824 2252871680 2428877280 2507228160 2590802432 3238503040 3307407360 3379307520 3886203648 4857754560 5014456320 5181604864 6477006080 6758615040 7772407296 9715509120 10363209728 12954012160 15544814592 19431018240 25908024320 31089629184 38862036480 51816048640 77724072960 155448145920
• Sum of all divisors σ(n): 550695075840
• Sum of proper divisors (its aliquot sum) s(n): 395246929920
• 155448145920 is an abundant number, because the sum of its proper divisors (395246929920) is greater than itself. Its abundance is 239798784000

Bases of 155448145920

• Binary: 10010000110001011011100111100000000000₂
• Hexadecimal: 0x24316E7800
• Base-36: 1ZETT91C

Squares and roots of 155448145920

• 155448145920 squared (155448145920²) is 24164126069965612646400
• 155448145920 cubed (155448145920³) is 3756268595353290684039784562688000
• The square root of 155448145920 is 394269.1287940255
• The cube root of 155448145920 is 5376.8573604271

Scales and comparisons

• 155,448,145,920 seconds is equal to 4,942 years, 40 weeks, 8 hours, 32 minutes.
• To count from 1 to 155,448,145,920 would take you about nine thousand, eight hundred 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 155448145920 cubic inches would be around 448.1 feet tall.

Recreational maths with 155448145920

• 155448145920 backwards is 029541844551
• 155448145920 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 155448145920's digits is 48
• More coming soon!