149721778720

Names of 149721778720

• Cardinal: 149721778720 can be written as One hundred forty-nine billion, seven hundred twenty-one million, seven hundred seventy-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.4972177872 × 10¹¹

Factors of 149721778720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 198

Divisors of 149721778720

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 37 40 47 74 80 94 107 148 160 185 188 214 235 296 370 376 428 470 535 592 740 752 856 940 1070 1184 1480 1504 1712 1739 1880 2140 2209 2960 3424 3478 3760 3959 4280 4418 5029 5920 6956 7520 7918 8560 8695 8836 10058 11045 11449 13912 15836 17120 17390 17672 19795 20116 22090 22898 25145 27824 31672 34780 35344 39590 40232 44180 45796 50290 55648 57245 63344 69560 70688 79180 80464 81733 88360 91592 100580 114490 126688 139120 158360 160928 163466 176720 183184 186073 201160 228980 236363 278240 316720 326932 353440 366368 372146 402320 408665 423613 457960 472726 538103 633440 653864 744292 804640 817330 847226 915920 930365 945452 1076206 1181815 1307728 1488584 1634660 1694452 1831840 1860730 1890904 2118065 2152412 2363630 2615456 2690515 2977168 3269320 3388904 3721460 3781808 4236130 4304824 4727260 5381030 5954336 6538640 6777808 7442920 7563616 8472260 8609648 8745431 9454520 10762060 13077280 13555616 14885840 16944520 17219296 17490862 18909040 19909811 21524120 25290841 29771680 33889040 34981724 37818080 39819622 43048240 43727155 50581682 67778080 69963448 79639244 86096480 87454310 99549055 101163364 126454205 139926896 159278488 174908620 199098110 202326728 252908410 279853792 318556976 349817240 398196220 404653456 505816820 637113952 699634480 796392440 809306912 935761117 1011633640 1399268960 1592784880 1871522234 2023267280 3185569760 3743044468 4046534560 4678805585 7486088936 9357611170 14972177872 18715222340 29944355744 37430444680 74860889360 149721778720
• Sum of all divisors σ(n): 374672716236
• Sum of proper divisors (its aliquot sum) s(n): 224950937516
• 149721778720 is an abundant number, because the sum of its proper divisors (224950937516) is greater than itself. Its abundance is 75229158796

Bases of 149721778720

• Binary: 10001011011100000111010000101000100000₂
• Hexadecimal: 0x22DC1D0A20
• Base-36: 1WS4HBTS

Squares and roots of 149721778720

• 149721778720 squared (149721778720²) is 22416611023080644838400
• 149721778720 cubed (149721778720³) is 3356254875249993119209834958848000
• The square root of 149721778720 is 386938.9857845807
• The cube root of 149721778720 is 5310.0057658027

Scales and comparisons

• 149,721,778,720 seconds is equal to 4,760 years, 35 weeks, 5 days, 22 hours, 58 minutes, 40 seconds.
• To count from 1 to 149,721,778,720 would take you about nine thousand, five hundred twenty-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 149721778720 cubic inches would be around 442.5 feet tall.

Recreational maths with 149721778720

• 149721778720 backwards is 027877127941
• The number of decimal digits it has is: 12
• The sum of 149721778720's digits is 55
• More coming soon!