161229449472

Names of 161229449472

• Cardinal: 161229449472 can be written as One hundred sixty-one billion, two hundred twenty-nine million, four hundred forty-nine thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.61229449472 × 10¹¹

Factors of 161229449472

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 137

Divisors of 161229449472

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 23 24 26 28 32 39 42 46 48 49 52 56 64 69 78 84 89 91 92 96 98 104 112 128 138 147 156 161 168 178 182 184 192 196 208 224 256 267 273 276 294 299 312 322 336 343 356 364 368 384 392 416 448 483 529 534 546 552 588 598 623 624 637 644 672 686 712 728 736 768 784 832 896 897 966 1029 1058 1068 1092 1104 1127 1157 1176 1196 1246 1248 1274 1288 1344 1372 1424 1456 1472 1568 1587 1664 1792 1794 1869 1911 1932 2047 2058 2093 2116 2136 2184 2208 2254 2314 2352 2392 2492 2496 2548 2576 2688 2744 2848 2912 2944 3136 3174 3328 3381 3471 3588 3703 3738 3822 3864 4094 4116 4186 4232 4272 4361 4368 4416 4459 4508 4628 4704 4784 4984 4992 5096 5152 5376 5488 5696 5824 5888 6141 6272 6279 6348 6762 6877 6942 7176 7406 7476 7644 7728 7889 8099 8188 8232 8372 8464 8544 8722 8736 8832 8918 9016 9256 9408 9568 9968 9984 10192 10304 10976 11109 11392 11648 12282 12544 12558 12696 13083 13377 13524 13754 13884 14329 14352 14651 14812 14952 15288 15456 15778 16198 16376 16464 16744 16928 17088 17444 17472 17664 17836 18032 18512 18816 19136 19936 20384 20608 20631 21952 22218 22784 23296 23667 24297 24564 25116 25392 25921 26166 26611 26754 27048 27508 27768 28658 28704 29302 29624 29904 30527 30576 30912 31556 32396 32752 32928 33488 33856 34176 34888 34944 35672 36064 37024 37632 38272 39872 40768 41216 41262 42987 43904 43953 44436 47081 47334 48139 48594 49128 50232 50784 51842 52332 53222 53508 54096 55016 55536 56693 57316 57408 58604 59248 59808 61054 61152 61824 63112 64792 65504 65856 66976 67712 68352 69776 69888 71344 72128 74048 76544 77763 79744 79833 81536 82524 85974 87808 87906 88872 91581 94162 94668 96278 97188 98256 100303 100464 101568 102557 103684 104664 106444 107016 108192 110032 111072 113386 114632 114816 117208 118496 119616 122108 122304 123648 126224 129584 131008 131712 133952 135424 139552 141243 142688 144256 144417 148096 155526 159488 159666 163072 165048 170079 171948 175812 177744 181447 183162 186277 188324 189336 192556 194376 196512 200606 200928 203136 205114 207368 209328 212888 214032 216384 220064 222144 226772 229264 229632 234416 236992 239232 244216 244608 252448 259168 262016 263424 267904 279104 282486 285376 288512 288834 296192 300909 307671 311052 319332 329567 330096 336973 340158 343896 351624 355488 362894 366324 372554 376648 378672 385112 388752 393024 396851 401212 401856 406272 410228 414736 418656 425776 428064 432768 440128 444288 453544 458528 468832 473984 478464 488432 489216 504896 518336 524032 535808 544341 558208 558831 564972 570752 577668 601818 612053 615342 622104 638664 659134 660192 673946 680316 687792 702121 703248 710976 725788 732648 745108 753296 757344 770224 777504 786048 793702 802424 803712 820456 829472 837312 851552 856128 865536 880256 888576 907088 917056 937664 947968 976864 988701 1009792 1010919 1036672 1088682 1116416 1117662 1129944 1141504 1155336 1190553 1203636 1224106 1230684 1244208 1277328 1303939 1318268 1320384 1347892 1360632 1375584 1404242 1406496 1421952 1451576 1465296 1490216 1506592 1514688 1540448 1555008 1572096 1587404 1604848 1607424 1640912 1658944 1674624 1703104 1712256 1760512 1814176 1834112 1836159 1875328 1953728 1977402 2019584 2021838 2073344 2106363 2177364 2235324 2259888 2306969 2310672 2358811 2381106 2407272 2448212 2461368 2488416 2554656 2607878 2636536 2640768 2695784 2721264 2751168 2808484 2812992 2843904 2903152 2930592 2980432 3013184 3029376 3080896 3110016 3174808 3209696 3281824 3317888 3349248 3406208 3424512 3628352 3668224 3672318 3750656 3907456 3911817 3954804 4043676 4212726 4284371 4354728 4470648 4519776 4613938 4621344 4717622 4762212 4814544 4896424 4922736 4976832 5109312 5215756 5273072 5281536 5391568 5442528 5502336 5616968 5625984 5806304 5861184 5960864 6026368 6058752 6161792 6220032 6349616 6419392 6563648 6635776 6812416 6920907 7076433 7256704 7344636 7814912 7823634 7909608 8087352 8425452 8568742 8709456 8941296 9039552 9127573 9227876 9242688 9435244 9524424 9629088 9792848 9845472 9953664 10218624 10431512 10546144 10783136 10885056 11004672 11233936 11251968 11612608 11722368 11921728 12052736 12323584 12699232 12838784 12853113 13127296 13841814 14152866 14513408 14689272 15647268 15819216 16148783 16174704 16850904 17137484 17418912 17882592 18079104 18255146 18455752 18485376 18870488 19048848 19258176 19585696 19690944 19907328 20437248 20863024 21092288 21566272 21770112 22467872 23225216 23444736 23843456 25398464 25677568 25706226 26254592 27382719 27683628 28305732 29378544 29990597 31294536 31638432 32297566 32349408 33701808 34274968 34837824 35765184 36158208 36510292 36911504 36970752 37740976 38097696 38516352 39171392 39381888 41726048 42184576 43132544 43540224 44935744 46450432 47686912 48446349 50796928 51412452 54765438 55367256 56611464 58757088 59981194 62589072 63276864 64595132 64698816 67403616 68549936 69675648 71530368 73020584 73823008 75481952 76195392 77032704 78342784 78763776 83452096 84369152 86265088 89871488 89971791 96892698 101593856 102824904 109530876 110734512 113222928 117514176 119962388 125178144 126553728 129190264 129397632 134807232 137099872 139351296 143060736 146041168 147646016 150963904 152390784 156685568 166904192 179742976 179943582 193785396 205649808 209934179 219061752 221469024 226445856 235028352 239924776 250356288 253107456 258380528 258795264 269614464 274199744 292082336 295292032 301927808 304781568 333808384 359887164 387570792 411299616 419868358 438123504 442938048 452891712 470056704 479849552 500712576 516761056 539228928 548399488 584164672 590584064 603855616 629802537 719774328 775141584 822599232 839736716 876247008 885876096 905783424 959699104 1001425152 1033522112 1096798976 1168329344 1259605074 1439548656 1550283168 1645198464 1679473432 1752494016 1771752192 1811566848 1919398208 2067044224 2336658688 2519210148 2879097312 3100566336 3290396928 3358946864 3504988032 3838796416 4134088448 5038420296 5758194624 6201132672 6717893728 7009976064 7677592832 10076840592 11516389248 12402265344 13435787456 20153681184 23032778496 26871574912 40307362368 53743149824 80614724736 161229449472
• Sum of all divisors σ(n): 569687328000
• Sum of proper divisors (its aliquot sum) s(n): 408457878528
• 161229449472 is an abundant number, because the sum of its proper divisors (408457878528) is greater than itself. Its abundance is 247228429056

Bases of 161229449472

• Binary: 10010110001010000001100010100100000000₂
• Hexadecimal: 0x258A062900
• Base-36: 222FUNEO

Squares and roots of 161229449472

• 161229449472 squared (161229449472²) is 25994935377044201078784
• 161229449472 cubed (161229449472³) is 4191149119901053286542412819202048
• The square root of 161229449472 is 401533.8708901155
• The cube root of 161229449472 is 5442.7049321965

Scales and comparisons

• 161,229,449,472 seconds is equal to 5,126 years, 31 weeks, 14 hours, 11 minutes, 12 seconds.
• To count from 1 to 161,229,449,472 would take you about ten thousand, two hundred fifty-three 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 161229449472 cubic inches would be around 453.6 feet tall.

Recreational maths with 161229449472

• 161229449472 backwards is 274944922161
• The number of decimal digits it has is: 12
• The sum of 161229449472's digits is 51
• More coming soon!