28971243073920

Names of 28971243073920

• Cardinal: 28971243073920 can be written as Twenty-eight trillion, nine hundred seventy-one billion, two hundred forty-three million, seventy-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.897124307392 × 10¹³

Factors of 28971243073920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 5430133

Divisors of 28971243073920

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 128 140 160 168 192 210 224 240 280 320 336 384 397 420 448 480 560 640 672 794 840 896 960 1120 1191 1344 1588 1680 1920 1985 2240 2382 2688 2779 3176 3360 3970 4480 4764 5558 5955 6352 6720 7940 8337 9528 11116 11910 12704 13440 13895 15880 16674 19056 22232 23820 25408 27790 31760 33348 38112 41685 44464 47640 50816 55580 63520 66696 76224 83370 88928 95280 111160 127040 133392 152448 166740 177856 190560 222320 254080 266784 333480 355712 381120 444640 533568 666960 762240 889280 1067136 1333920 1778560 2667840 5335680 5429719 10859438 16289157 21718876 27148595 32578314 38008033 43437752 54297190 65156628 76016066 81445785 86875504 108594380 114024099 130313256 152032132 162891570 173751008 190040165 217188760 228048198 260626512 304064264 325783140 347502016 380080330 434377520 456096396 521253024 570120495 608128528 651566280 695004032 760160660 868755040 912192792 1042506048 1140240990 1216257056 1303132560 1520321320 1737510080 1824385584 2085012096 2155598443 2280481980 2432514112 2606265120 3040642640 3475020160 3648771168 4311196886 4560963960 4865028224 5212530240 6081285280 6466795329 7297542336 8622393772 9121927920 10425060480 10777992215 12162570560 12933590658 14595084672 15089189101 17244787544 18243855840 21555984430 24325141120 25867181316 30178378202 32333976645 34489575088 36487711680 43111968860 45267567303 51734362632 60356756404 64667953290 68979150176 72975423360 75445945505 86223937720 90535134606 103468725264 120713512808 129335906580 137958300352 150891891010 172447875440 181070269212 206937450528 226337836515 241427025616 258671813160 275916600704 301783782020 344895750880 362140538424 413874901056 452675673030 482854051232 517343626320 603567564040 689791501760 724281076848 827749802112 905351346060 965708102464 1034687252640 1207135128080 1379583003520 1448562153696 1810702692120 1931416204928 2069374505280 2414270256160 2897124307392 3621405384240 4138749010560 4828540512320 5794248614784 7242810768480 9657081024640 14485621536960 28971243073920
• Sum of all divisors σ(n): 105803958297600
• Sum of proper divisors (its aliquot sum) s(n): 76832715223680
• 28971243073920 is an abundant number, because the sum of its proper divisors (76832715223680) is greater than itself. Its abundance is 47861472149760

Bases of 28971243073920

• Binary: 110100101100101100100101001101111000110000000₂
• Hexadecimal: 0x1A5964A6F180
• Base-36: A9P7E3ZPC

Squares and roots of 28971243073920

• 28971243073920 squared (28971243073920²) is 839332925248157570584166400
• 28971243073920 cubed (28971243073920³) is 24316518197308698114027344344416780288000
• The square root of 28971243073920 is 5382494.1313409715
• The cube root of 28971243073920 is 30713.0096813145

Scales and comparisons

• 28,971,243,073,920 seconds is equal to 921,195 years, 47 weeks, 4 days, 8 hours, 32 minutes.
• To count from 1 to 28,971,243,073,920 would take you about two million, three hundred two thousand, nine hundred eighty-nine 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 28971243073920 cubic inches would be around 2559.4 feet tall.

Recreational maths with 28971243073920

• 28971243073920 backwards is 02937034217982
• The number of decimal digits it has is: 14
• The sum of 28971243073920's digits is 57
• More coming soon!