397813993720

Names of 397813993720

• Cardinal: 397813993720 can be written as Three hundred ninety-seven billion, eight hundred thirteen million, nine hundred ninety-three thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 3.9781399372 × 10¹¹

Factors of 397813993720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 110654

Divisors of 397813993720

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 8 10 11 13 17 20 22 26 34 37 40 44 52 55 65 68 74 85 88 104 110 130 136 143 148 170 185 187 220 221 260 286 296 340 370 374 407 440 442 481 520 572 629 680 715 740 748 814 884 935 962 1105 1144 1258 1430 1480 1496 1628 1768 1870 1924 2035 2210 2405 2431 2516 2860 3145 3256 3740 3848 4070 4420 4810 4862 5032 5291 5720 6290 6919 7480 8140 8177 8840 9620 9724 10582 12155 12580 13838 16280 16354 19240 19448 21164 24310 25160 26455 27676 32708 34595 40885 42328 48620 52910 55352 65416 69190 81770 89947 97240 105820 110569 138380 163540 179894 211640 221138 276760 327080 359788 442276 449735 552845 719576 884552 899470 1105690 1216259 1437397 1798940 1879673 2211380 2432518 2874794 3597880 3759346 4091053 4422760 4865036 5749588 6081295 7186985 7518692 8182106 9398365 9730072 11499176 12162590 14373970 15037384 15811367 16364212 18796730 20455265 20676403 24325180 24435749 28747940 31622734 32728424 37593460 40910530 41352806 45001583 48650360 48871498 53183689 57495880 63245468 69547901 75186920 79056835 81821060 82705612 90003166 97742996 103382015 106367378 122178745 126490936 139095802 158113670 163642120 165411224 180006332 195485992 206764030 212734756 225007915 244357490 265918445 268793239 278191604 316227340 347739505 360012664 413528060 425469512 450015830 488714980 531836890 537586478 556383208 585020579 632454680 695479010 765026911 827056120 900031660 904122713 977429960 1063673780 1075172956 1170041158 1343966195 1390958020 1530053822 1800063320 1808245426 2127347560 2150345912 2340082316 2687932390 2781916040 2925102895 3060107644 3616490852 3825134555 4520613565 4680164632 5375864780 5850205790 6120215288 7232981704 7650269110 9041227130 9945349843 10751729560 11700411580 15300538220 18082454260 19890699686 23400823160 30601076440 36164908520 39781399372 49726749215 79562798744 99453498430 198906996860 397813993720
• Sum of all divisors σ(n): 1143523785600
• Sum of proper divisors (its aliquot sum) s(n): 745709791880
• 397813993720 is an abundant number, because the sum of its proper divisors (745709791880) is greater than itself. Its abundance is 347895798160

Bases of 397813993720

• Binary: 101110010011111100011111101000011111000₂
• Hexadecimal: 0x5C9F8FD0F8
• Base-36: 52R46I2G

Squares and roots of 397813993720

• 397813993720 squared (397813993720²) is 158255973599456199438400
• 397813993720 cubed (397813993720³) is 62956440887646554318802725126848000
• The square root of 397813993720 is 630724.9747076771
• The cube root of 397813993720 is 7354.6162786215

Scales and comparisons

• 397,813,993,720 seconds is equal to 12,649 years, 13 weeks, 1 day, 15 hours, 8 minutes, 40 seconds.
• To count from 1 to 397,813,993,720 would take you about twenty-five thousand, two hundred ninety-eight 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 397813993720 cubic inches would be around 612.9 feet tall.

Recreational maths with 397813993720

• 397813993720 backwards is 027399318793
• The number of decimal digits it has is: 12
• The sum of 397813993720's digits is 61
• More coming soon!