399134801920

Names of 399134801920

• Cardinal: 399134801920 can be written as Three hundred ninety-nine billion, one hundred thirty-four million, eight hundred one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 3.9913480192 × 10¹¹

Factors of 399134801920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 780

Divisors of 399134801920

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 23 32 34 40 46 64 68 80 85 92 115 128 136 160 170 184 230 256 272 289 320 340 368 391 460 512 544 578 640 680 733 736 782 920 1024 1088 1156 1280 1360 1445 1466 1472 1564 1840 1955 2048 2176 2312 2560 2720 2890 2932 2944 3128 3665 3680 3910 4096 4352 4624 5120 5440 5780 5864 5888 6256 6647 7330 7360 7820 8192 8704 9248 10240 10880 11560 11728 11776 12461 12512 13294 14660 14720 15640 16384 16859 17408 18496 20480 21760 23120 23456 23552 24922 25024 26588 29320 29440 31280 33235 33718 34816 36992 40960 43520 46240 46912 47104 49844 50048 53176 58640 58880 62305 62560 66470 67436 69632 73984 81920 84295 87040 92480 93824 94208 99688 100096 106352 117280 117760 124610 125120 132940 134872 139264 147968 168590 174080 184960 187648 188416 199376 200192 211837 212704 234560 235520 249220 250240 265880 269744 278528 286603 295936 337180 348160 369920 375296 376832 398752 400384 423674 425408 469120 471040 498440 500480 531760 539488 573206 591872 674360 696320 739840 750592 797504 800768 847348 850816 938240 942080 996880 1000960 1059185 1063520 1078976 1146412 1183744 1348720 1392640 1433015 1479680 1501184 1595008 1601536 1694696 1701632 1876480 1884160 1993760 2001920 2118370 2127040 2157952 2292824 2367488 2697440 2866030 2959360 3002368 3190016 3203072 3389392 3403264 3752960 3987520 4003840 4236740 4254080 4315904 4585648 4734976 4872251 5394880 5732060 5918720 6004736 6380032 6406144 6778784 6806528 7505920 7975040 8007680 8473480 8508160 8631808 9171296 9744502 10789760 11464120 11837440 12009472 12760064 13557568 13613056 15011840 15950080 16015360 16946960 17016320 17263616 18342592 19489004 21579520 22928240 23674880 24361255 25520128 27115136 27226112 30023680 31900160 32030720 33893920 34032640 34527232 36685184 38978008 43159040 45856480 48722510 51040256 54230272 54452224 60047360 63800320 67787840 68065280 69054464 73370368 77956016 86318080 91712960 97445020 102080512 108460544 108904448 127600640 135575680 136130560 138108928 146740736 155912032 172636160 183425920 194890040 204161024 216921088 255201280 271151360 272261120 276217856 293481472 311824064 345272320 366851840 389780080 433842176 510402560 542302720 544522240 586962944 623648128 690544640 733703680 779560160 867684352 1020805120 1084605440 1173925888 1247296256 1381089280 1467407360 1559120320 1735368704 2169210880 2347851776 2494592512 2934814720 3118240640 3470737408 4338421760 4695703552 4989185024 5869629440 6236481280 8676843520 9978370048 11739258880 12472962560 17353687040 19956740096 23478517760 24945925120 39913480192 49891850240 79826960384 99783700480 199567400960 399134801920
• Sum of all divisors σ(n): 1063245635424
• Sum of proper divisors (its aliquot sum) s(n): 664110833504
• 399134801920 is an abundant number, because the sum of its proper divisors (664110833504) is greater than itself. Its abundance is 264976031584

Bases of 399134801920

• Binary: 101110011101110010010011100000000000000₂
• Hexadecimal: 0x5CEE49C000
• Base-36: 53CYK074

Squares and roots of 399134801920

• 399134801920 squared (399134801920²) is 159308590103717635686400
• 399134801920 cubed (399134801920³) is 63585602555201810775301987237888000
• The square root of 399134801920 is 631771.1626214037
• The cube root of 399134801920 is 7362.7468008351

Scales and comparisons

• 399,134,801,920 seconds is equal to 12,691 years, 13 weeks, 18 hours, 18 minutes, 40 seconds.
• To count from 1 to 399,134,801,920 would take you about twenty-five thousand, three hundred eighty-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 399134801920 cubic inches would be around 613.6 feet tall.

Recreational maths with 399134801920

• 399134801920 backwards is 029108431993
• The number of decimal digits it has is: 12
• The sum of 399134801920's digits is 49
• More coming soon!