138735956640

Names of 138735956640

• Cardinal: 138735956640 can be written as One hundred thirty-eight billion, seven hundred thirty-five million, nine hundred fifty-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.3873595664 × 10¹¹

Factors of 138735956640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 108

Divisors of 138735956640

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 32 40 48 60 62 67 80 93 96 120 124 134 155 160 186 201 240 248 268 310 335 372 402 465 480 496 536 620 670 744 804 930 961 992 1005 1072 1240 1340 1488 1608 1860 1922 2010 2077 2144 2480 2680 2883 2976 3216 3720 3844 4020 4154 4489 4805 4960 5360 5766 6231 6432 7440 7688 8040 8308 8978 9610 10385 10720 11532 12462 13467 14415 14880 15376 16080 16616 17956 19220 20770 22445 23064 24924 26934 28830 30752 31155 32160 33232 35912 38440 41540 44890 46128 49848 53868 57660 62310 64387 66464 67335 71824 76880 83080 89780 92256 99696 107736 115320 124620 128774 134670 139159 143648 153760 166160 179560 193161 199392 215472 230640 249240 257548 269340 278318 300763 321935 332320 359120 386322 417477 430944 461280 498480 515096 538680 556636 601526 643870 695795 718240 772644 834954 902289 965805 996960 1030192 1077360 1113272 1203052 1287740 1391590 1503815 1545288 1669908 1804578 1931610 2060384 2087385 2154720 2226544 2406104 2575480 2783180 3007630 3090576 3339816 3609156 3863220 4174770 4313929 4453088 4511445 4812208 5150960 5566360 6015260 6181152 6679632 7218312 7726440 8349540 8627858 9022890 9323653 9624416 10301920 11132720 12030520 12941787 13359264 14436624 15452880 16699080 17255716 18045780 18647306 21569645 22265440 24061040 25883574 27970959 28873248 30905760 33398160 34511432 36091560 37294612 43139290 46618265 48122080 51767148 55941918 64708935 66796320 69022864 72183120 74589224 86278580 93236530 103534296 111883836 129417870 138045728 139854795 144366240 149178448 172557160 186473060 207068592 223767672 258835740 279709590 289033243 298356896 345114320 372946120 414137184 447535344 517671480 559419180 578066486 690228640 745892240 867099729 895070688 1035342960 1118838360 1156132972 1445166215 1491784480 1734199458 2070685920 2237676720 2312265944 2890332430 3468398916 4335498645 4475353440 4624531888 5780664860 6936797832 8670997290 9249063776 11561329720 13873595664 17341994580 23122659440 27747191328 34683989160 46245318880 69367978320 138735956640
• Sum of all divisors σ(n): 458412333120
• Sum of proper divisors (its aliquot sum) s(n): 319676376480
• 138735956640 is an abundant number, because the sum of its proper divisors (319676376480) is greater than itself. Its abundance is 180940419840

Bases of 138735956640

• Binary: 10000001001101010011101011001010100000₂
• Hexadecimal: 0x204D4EB2A0
• Base-36: 1RQFT19C

Squares and roots of 138735956640

• 138735956640 squared (138735956640²) is 19247665664815960089600
• 138735956640 cubed (138735956640³) is 2670343309095123812570716114944000
• The square root of 138735956640 is 372472.7595945777
• The cube root of 138735956640 is 5176.8193609507

Scales and comparisons

• 138,735,956,640 seconds is equal to 4,411 years, 19 weeks, 3 days, 5 hours, 44 minutes.
• To count from 1 to 138,735,956,640 would take you about eight thousand, eight hundred twenty-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 138735956640 cubic inches would be around 431.4 feet tall.

Recreational maths with 138735956640

• 138735956640 backwards is 046659537831
• The number of decimal digits it has is: 12
• The sum of 138735956640's digits is 57
• More coming soon!