155129991120

Names of 155129991120

• Cardinal: 155129991120 can be written as One hundred fifty-five billion, one hundred twenty-nine million, nine hundred ninety-one thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.5512999112 × 10¹¹

Factors of 155129991120

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2926

Divisors of 155129991120

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 36 39 40 41 45 48 52 60 65 72 78 80 82 90 104 117 120 123 130 144 149 156 164 180 195 205 208 234 240 246 260 298 312 328 360 369 390 410 447 468 492 520 533 585 596 615 624 656 720 738 745 780 820 894 936 984 1040 1066 1170 1192 1230 1341 1476 1490 1560 1599 1640 1788 1845 1872 1937 1968 2132 2235 2340 2384 2460 2665 2682 2713 2952 2980 3120 3198 3280 3576 3690 3874 4264 4470 4680 4797 4920 5330 5364 5426 5811 5904 5960 6109 6396 6705 7152 7380 7748 7995 8139 8528 8940 9360 9594 9685 9840 10660 10728 10852 11622 11920 12218 12792 13410 13565 14760 15496 15990 16278 17433 17880 18327 19188 19370 21320 21456 21704 23244 23985 24417 24436 25584 26820 27130 29055 29520 30545 30992 31980 32556 34866 35269 35760 36654 38376 38740 40695 42640 43408 46488 47970 48834 48872 53640 54260 54981 58110 61090 63960 65112 69732 70538 73308 76752 77480 79417 81390 87165 91635 92976 95940 97668 97744 105807 107280 108520 109962 111233 116220 122085 122180 127920 130224 139464 141076 146616 154960 158834 162780 174330 176345 183270 191880 195336 211614 217040 219924 222466 232440 238251 244170 244360 274905 278928 282152 293232 317421 317668 325560 333699 348660 352690 366540 383760 390672 397085 404237 423228 439848 444932 464880 476502 488340 488720 529035 549810 556165 564304 634842 635336 651120 667398 697320 705380 714753 733080 794170 808474 846456 879696 889864 953004 976680 1001097 1058070 1099620 1112330 1191255 1212711 1269684 1270672 1334796 1394640 1410760 1429506 1446029 1466160 1587105 1588340 1616948 1668495 1692912 1779728 1906008 1953360 2002194 2021185 2116140 2199240 2224660 2382510 2425422 2539368 2669592 2821520 2859012 2892058 3174210 3176680 3233896 3336990 3573765 3638133 3812016 4004388 4042370 4232280 4338087 4398480 4449320 4765020 4850844 5005485 5078736 5255081 5339184 5718024 5784116 6063555 6348420 6353360 6467792 6673980 7147530 7230145 7276266 8008776 8084740 8464560 8676174 8898640 9530040 9701688 10010970 10510162 11436048 11568232 12127110 12696840 13014261 13347960 14295060 14460290 14552532 15765243 16017552 16169480 16573717 17352348 18190665 19060080 19403376 20021940 21020324 21690435 23136464 24254220 25393680 26028522 26275405 26695920 28590120 28920580 29105064 31530486 32338960 33147434 34704696 36381330 40043880 42040648 43380870 47295729 48508440 49721151 52057044 52550810 57180240 57841160 58210128 63060972 65071305 66294868 69409392 72762660 78826215 80087760 82868585 84081296 86761740 94591458 97016880 99442302 104114088 105101620 115682320 126121944 130142610 132589736 145525320 149163453 157652430 165737170 173523480 189182916 198884604 208228176 210203240 215458321 236478645 248605755 252243888 260285220 265179472 291050640 298326906 315304860 331474340 347046960 378365832 397769208 420406480 430916642 472957290 497211510 520570440 596653812 630609720 646374963 662948680 745817265 756731664 795538416 861833284 945914580 994423020 1041140880 1077291605 1193307624 1261219440 1292749926 1325897360 1491634530 1723666568 1891829160 1939124889 1988846040 2154583210 2386615248 2585499852 2983269060 3231874815 3447333136 3783658320 3878249778 3977692080 4309166420 5170999704 5966538120 6463749630 7756499556 8618332840 9695624445 10341999408 11933076240 12927499260 15512999112 17236665680 19391248890 25854998520 31025998224 38782497780 51709997040 77564995560 155129991120
• Sum of all divisors σ(n): 578808266400
• Sum of proper divisors (its aliquot sum) s(n): 423678275280
• 155129991120 is an abundant number, because the sum of its proper divisors (423678275280) is greater than itself. Its abundance is 268548284160

Bases of 155129991120

• Binary: 10010000011110011101111100111111010000₂
• Hexadecimal: 0x241E77CFD0
• Base-36: 1Z9KE380

Squares and roots of 155129991120

• 155129991120 squared (155129991120²) is 24065314144891278854400
• 155129991120 cubed (155129991120³) is 3733251969596994482048515772928000
• The square root of 155129991120 is 393865.4479895387
• The cube root of 155129991120 is 5373.1865942655

Scales and comparisons

• 155,129,991,120 seconds is equal to 4,932 years, 34 weeks, 12 minutes.
• To count from 1 to 155,129,991,120 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 155129991120 cubic inches would be around 447.8 feet tall.

Recreational maths with 155129991120

• 155129991120 backwards is 021199921551
• 155129991120 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 155129991120's digits is 45
• More coming soon!