145165806720

Names of 145165806720

• Cardinal: 145165806720 can be written as One hundred forty-five billion, one hundred sixty-five million, eight hundred six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.4516580672 × 10¹¹

Factors of 145165806720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 8691

Divisors of 145165806720

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 32 33 36 40 44 45 48 54 55 60 64 66 72 80 88 89 90 96 99 108 110 120 128 132 135 144 160 165 176 178 180 192 198 216 220 240 264 267 270 288 297 320 330 352 356 360 384 396 432 440 445 480 495 528 534 540 576 594 640 660 704 712 720 792 801 864 880 890 960 979 990 1056 1068 1080 1152 1188 1320 1335 1408 1424 1440 1485 1584 1602 1728 1760 1780 1920 1958 1980 2112 2136 2160 2376 2403 2640 2670 2848 2880 2937 2970 3168 3204 3456 3520 3560 3916 3960 4005 4224 4272 4320 4752 4806 4895 5280 5340 5696 5760 5874 5940 6336 6408 7040 7120 7832 7920 8010 8544 8581 8640 8811 9504 9612 9790 10560 10680 11392 11748 11880 12015 12672 12816 14240 14685 15664 15840 16020 17088 17162 17280 17622 19008 19224 19580 21120 21360 23496 23760 24030 25632 25743 26433 28480 29370 31328 31680 32040 34176 34324 35244 38016 38448 39160 42720 42905 44055 46992 47520 48060 51264 51486 52866 56960 58740 62656 63360 64080 68648 70488 76896 77229 78320 85440 85810 88110 93984 94391 95040 96120 102528 102972 105732 117480 125312 128160 128715 132165 137296 140976 153792 154458 156640 170880 171620 176220 187968 188782 190080 192240 205944 211464 231687 234960 256320 257430 264330 274592 281952 283173 307584 308916 313280 343240 352440 375936 377564 384480 386145 411888 422928 463374 469920 471955 512640 514860 528660 549184 563904 566346 617832 626560 686480 704880 755128 763709 768960 772290 823776 845856 849519 926748 939840 943910 1029720 1057320 1098368 1127808 1132692 1158435 1235664 1372960 1409760 1415865 1510256 1527418 1537920 1544580 1647552 1691712 1699038 1853496 1879680 1887820 2059440 2114640 2265384 2291127 2316870 2471328 2548557 2745920 2819520 2831730 3020512 3054836 3089160 3295104 3383424 3398076 3706992 3775640 3818545 4118880 4229280 4247595 4530768 4582254 4633740 4942656 5097114 5491840 5639040 5663460 6041024 6109672 6178320 6796152 6873381 7413984 7551280 7637090 8237760 8400799 8458560 8495190 9061536 9164508 9267480 9885312 10194228 11326920 11455635 12082048 12219344 12356640 12742785 13592304 13746762 14827968 15102560 15274180 16475520 16801598 16917120 16990380 18123072 18329016 18534960 20388456 20620143 22653840 22911270 24438688 24713280 25202397 25485570 27184608 27493524 29655936 30205120 30548360 33603196 33980760 34366905 36246144 36658032 37069920 40776912 41240286 42003995 45307680 45822540 48877376 49426560 50404794 50971140 54369216 54987048 60410240 61096720 67206392 67961520 68733810 73316064 74139840 75607191 81553824 82480572 84007990 90615360 91645080 97754752 100809588 101942280 103100715 108738432 109974096 122193440 126011985 134412784 135923040 137467620 146632128 148279680 151214382 163107648 164961144 168015980 181230720 183290160 201619176 203884560 206201430 219948192 226821573 244386880 252023970 268825568 271846080 274935240 293264256 302428764 326215296 329922288 336031960 366580320 378035955 403238352 407769120 412402860 439896384 453643146 488773760 504047940 537651136 543692160 549870480 604857528 659844576 672063920 733160640 756071910 806476704 815538240 824805720 879792768 907286292 1008095880 1075302272 1099740960 1134107865 1209715056 1319689152 1344127840 1466321280 1512143820 1612953408 1631076480 1649611440 1814572584 2016191760 2199481920 2268215730 2419430112 2639378304 2688255680 3024287640 3225906816 3299222880 3629145168 4032383520 4398963840 4536431460 4838860224 5376511360 6048575280 6598445760 7258290336 8064767040 9072862920 9677720448 12097150560 13196891520 14516580672 16129534080 18145725840 24194301120 29033161344 36291451680 48388602240 72582903360 145165806720
• Sum of all divisors σ(n): 567235872000
• Sum of proper divisors (its aliquot sum) s(n): 422070065280
• 145165806720 is an abundant number, because the sum of its proper divisors (422070065280) is greater than itself. Its abundance is 276904258560

Bases of 145165806720

• Binary: 10000111001100100011100110110010000000₂
• Hexadecimal: 0x21CC8E6C80
• Base-36: 1UORZ1C0

Squares and roots of 145165806720

• 145165806720 squared (145165806720²) is 21073111440668397158400
• 145165806720 cubed (145165806720³) is 3059095222385089289508491624448000
• The square root of 145165806720 is 381006.3079792775
• The cube root of 145165806720 is 5255.5895928583

Scales and comparisons

• 145,165,806,720 seconds is equal to 4,615 years, 42 weeks, 5 days, 19 hours, 12 minutes.
• To count from 1 to 145,165,806,720 would take you about nine thousand, two hundred thirty-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 145165806720 cubic inches would be around 438 feet tall.

Recreational maths with 145165806720

• 145165806720 backwards is 027608561541
• 145165806720 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 145165806720's digits is 45
• More coming soon!