138790209740

Names of 138790209740

• Cardinal: 138790209740 can be written as One hundred thirty-eight billion, seven hundred ninety million, two hundred nine thousand, seven hundred forty.

Scientific notation

• Scientific notation: 1.3879020974 × 10¹¹

Factors of 138790209740

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 942

Divisors of 138790209740

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 10 13 14 20 26 28 31 35 49 52 61 62 65 70 91 98 122 124 130 140 155 182 196 217 244 245 260 305 310 343 364 403 427 434 455 490 610 620 637 686 793 806 823 854 868 910 980 1085 1220 1274 1372 1519 1586 1612 1646 1708 1715 1820 1891 2015 2135 2170 2548 2821 2989 3038 3172 3185 3292 3430 3782 3965 4030 4115 4270 4340 4459 5551 5642 5761 5978 6076 6370 6860 7564 7595 7930 8060 8230 8540 8918 9455 10633 10699 11102 11284 11522 11956 12740 13237 14105 14945 15190 15860 16460 17836 18910 19747 20923 21266 21398 22204 22295 23044 24583 25513 26474 27755 28210 28805 29890 30380 37820 38857 39494 40327 41846 42532 42796 44590 49166 50203 51026 52948 53165 53495 55510 56420 57610 59780 66185 74893 77714 78988 80654 83692 89180 92659 98332 98735 100406 102052 104615 106330 106990 111020 115220 122915 127565 132370 138229 149786 155428 161308 172081 178591 185318 194285 197470 200812 201635 209230 212660 213980 245830 251015 255130 264740 271999 276458 282289 299572 331669 344162 351421 357182 370636 374465 388570 394940 403270 418460 463295 491660 502030 510260 524251 543998 552916 564578 648613 652639 663338 688324 691145 702842 714364 748930 777140 806540 860405 892955 926590 1004060 1048502 1087996 1129156 1204567 1250137 1297226 1305278 1326676 1359995 1382290 1405684 1411445 1497860 1556293 1658345 1720810 1757105 1785910 1853180 2097004 2321683 2409134 2459947 2500274 2594452 2610556 2621255 2719990 2764580 2822890 3112586 3243065 3263195 3316690 3441620 3514210 3571820 3669757 4568473 4643366 4818268 4919894 5000548 5242510 5439980 5645780 6022835 6225172 6250685 6486130 6526390 6633380 7028420 7339514 7781465 8431969 8750959 9136946 9286732 9839788 10485020 10894051 11608415 12045670 12299735 12501370 12972260 13052780 14679028 15562930 16251781 16863938 17219629 17501918 18273892 18348785 20231809 21788102 22842365 23216830 24091340 24599470 25002740 31125860 31979311 32503562 33727876 34439258 35003836 36697570 40463618 42159845 43576204 43754795 45684730 46433660 49198940 54470255 63958622 65007124 68878516 73395140 76258357 80927236 81258905 84319690 86098145 87509590 91369460 101159045 108940510 113762467 127917244 141622663 152516714 159896555 162517810 168639380 172196290 175019180 202318090 217881020 223855177 227524934 283245326 305033428 319793110 325035620 344392580 381291785 404636180 447710354 455049868 533808499 566490652 568812335 639586220 708113315 762583570 895420708 991358641 1067616998 1119275885 1137624670 1416226630 1525167140 1982717282 2135233996 2238551770 2275249340 2669042495 2832453260 3965434564 4477103540 4956793205 5338084990 6939510487 9913586410 10676169980 13879020974 19827172820 27758041948 34697552435 69395104870 138790209740
• Sum of all divisors σ(n): 384508723200
• Sum of proper divisors (its aliquot sum) s(n): 245718513460
• 138790209740 is an abundant number, because the sum of its proper divisors (245718513460) is greater than itself. Its abundance is 106928303720

Bases of 138790209740

• Binary: 10000001010000100010101000100011001100₂
• Hexadecimal: 0x20508A88CC
• Base-36: 1RRC3V7W

Squares and roots of 138790209740

• 138790209740 squared (138790209740²) is 19262722319673190867600
• 138790209740 cubed (138790209740³) is 2673477270910821488769256570424000
• The square root of 138790209740 is 372545.5807548923
• The cube root of 138790209740 is 5177.4940764391

Scales and comparisons

• 138,790,209,740 seconds is equal to 4,413 years, 5 weeks, 1 day, 4 hours, 2 minutes, 20 seconds.
• To count from 1 to 138,790,209,740 would take you about eight thousand, eight hundred twenty-six 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 138790209740 cubic inches would be around 431.5 feet tall.

Recreational maths with 138790209740

• 138790209740 backwards is 047902097831
• The number of decimal digits it has is: 12
• The sum of 138790209740's digits is 50
• More coming soon!