145179391680

Names of 145179391680

• Cardinal: 145179391680 can be written as One hundred forty-five billion, one hundred seventy-nine million, three hundred ninety-one thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.4517939168 × 10¹¹

Factors of 145179391680

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 19659

Divisors of 145179391680

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 29 30 32 36 40 45 48 58 60 64 72 80 87 89 90 96 116 120 144 145 160 174 178 180 192 232 240 261 267 288 290 320 348 356 360 435 445 464 480 522 534 576 580 696 712 720 801 870 890 928 960 1044 1068 1160 1305 1335 1392 1424 1440 1602 1740 1780 1856 2088 2136 2320 2581 2610 2670 2784 2848 2880 3204 3480 3560 4005 4176 4272 4640 5162 5220 5340 5568 5696 6408 6960 7120 7743 8010 8352 8544 9280 10324 10440 10680 12816 12905 13920 14240 15486 16020 16704 17088 19531 20648 20880 21360 23229 25632 25810 27840 28480 30972 32040 38715 39062 41296 41760 42720 46458 51264 51620 58593 61944 64080 77430 78124 82592 83520 85440 92916 97655 103240 116145 117186 123888 128160 154860 156248 165184 175779 185832 195310 206480 232290 234372 247776 256320 292965 309720 312496 351558 371664 390620 412960 464580 468744 495552 566399 585930 619440 624992 703116 743328 781240 825920 878895 929160 937488 1132798 1171860 1238880 1249984 1406232 1486656 1562480 1699197 1738259 1757790 1858320 1874976 2265596 2343720 2477760 2812464 2831995 3124960 3398394 3476518 3515580 3716640 3749952 4531192 4687440 5097591 5214777 5624928 5663990 6249920 6796788 6953036 7031160 7433280 8495985 8691295 9062384 9374880 10195182 10429554 11249856 11327980 13593576 13906072 14062320 15644331 16991970 17382590 18124768 18749760 20390364 20859108 22655960 25487955 26073885 27187152 27812144 28124640 31288662 33983940 34765180 36249536 40780728 41718216 45311920 50409511 50975910 52147770 54374304 55624288 56249280 62577324 67967880 69530360 78221655 81561456 83436432 90623840 100819022 101951820 104295540 108748608 111248576 125154648 135935760 139060720 151228533 156443310 163122912 166872864 181247680 201638044 203903640 208591080 250309296 252047555 271871520 278121440 302457066 312886620 326245824 333745728 403276088 407807280 417182160 453685599 500618592 504095110 543743040 556242880 604914132 625773240 756142665 806552176 815614560 834364320 907371198 1001237184 1008190220 1209828264 1251546480 1512285330 1613104352 1631229120 1668728640 1814742396 2016380440 2268427995 2419656528 2503092960 3024570660 3226208704 3629484792 4032760880 4536855990 4839313056 5006185920 6049141320 7258969584 8065521760 9073711980 9678626112 12098282640 14517939168 16131043520 18147423960 24196565280 29035878336 36294847920 48393130560 72589695840 145179391680
• Sum of all divisors σ(n): 522406778400
• Sum of proper divisors (its aliquot sum) s(n): 377227386720
• 145179391680 is an abundant number, because the sum of its proper divisors (377227386720) is greater than itself. Its abundance is 232047995040

Bases of 145179391680

• Binary: 10000111001101010111011011011011000000₂
• Hexadecimal: 0x21CD5DB6C0
• Base-36: 1UP027K0

Squares and roots of 145179391680

• 145179391680 squared (145179391680²) is 21077055768574853222400
• 145179391680 cubed (145179391680³) is 3059954134887132051373319749632000
• The square root of 145179391680 is 381024.1352985399
• The cube root of 145179391680 is 5255.7535312517

Scales and comparisons

• 145,179,391,680 seconds is equal to 4,616 years, 13 weeks, 2 days, 48 minutes.
• To count from 1 to 145,179,391,680 would take you about nine thousand, two hundred thirty-two 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 145179391680 cubic inches would be around 438 feet tall.

Recreational maths with 145179391680

• 145179391680 backwards is 086193971541
• The number of decimal digits it has is: 12
• The sum of 145179391680's digits is 54
• More coming soon!