138797978760

Names of 138797978760

• Cardinal: 138797978760 can be written as One hundred thirty-eight billion, seven hundred ninety-seven million, nine hundred seventy-eight thousand, seven hundred sixty.

Scientific notation

• Scientific notation: 1.3879797876 × 10¹¹

Factors of 138797978760

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1160

Divisors of 138797978760

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 27 28 30 35 36 40 42 45 54 56 60 63 70 72 79 84 90 105 108 120 126 135 140 158 168 180 189 210 216 237 252 270 280 307 315 316 360 378 395 420 474 504 540 553 614 630 632 711 756 757 790 840 921 945 948 1080 1106 1185 1228 1260 1422 1512 1514 1535 1580 1659 1842 1890 1896 2133 2149 2212 2271 2370 2456 2520 2763 2765 2844 3028 3070 3160 3318 3555 3684 3780 3785 4266 4298 4424 4542 4605 4740 4977 5299 5526 5530 5688 6056 6140 6447 6636 6813 7110 7368 7560 7570 8289 8295 8532 8596 9084 9210 9480 9954 10598 10665 10745 11052 11060 11355 12280 12894 13272 13626 13815 14220 14931 15140 15897 16578 16590 17064 17192 18168 18420 19341 19908 20439 21196 21330 21490 22104 22120 22710 24253 24885 25788 26495 27252 27630 28440 29862 30280 31794 32235 33156 33180 34065 36840 38682 39816 40878 41445 42392 42660 42980 45420 47691 48506 49770 51576 52990 54504 55260 58023 59724 59803 63588 64470 66312 66360 68130 72759 74655 77364 79485 81756 82890 85320 85960 90840 95382 96705 97012 99540 102195 105980 110520 116046 119448 119606 121265 127176 128940 136260 143073 145518 149310 154728 158970 163512 165780 169771 179409 190764 193410 194024 199080 204390 211960 218277 232092 232399 238455 239212 242530 257880 272520 286146 290115 291036 298620 299015 317940 331560 339542 358818 363795 381528 386820 408780 418621 436554 464184 464798 476910 478424 485060 509313 538227 572292 580230 582072 597240 598030 635880 654831 679084 697197 715365 717636 727590 773640 817560 837242 848855 873108 897045 929596 953820 970120 1018626 1076454 1091385 1144584 1160460 1161995 1196060 1255863 1309662 1358168 1394394 1430730 1435272 1455180 1527939 1614681 1626793 1674484 1697710 1746216 1794090 1859192 1907640 2037252 2091591 2093105 2152908 2182770 2320920 2323990 2392120 2511726 2546565 2619324 2691135 2788788 2861460 2910360 3055878 3229362 3253586 3274155 3348968 3395420 3485985 3588180 3767589 4074504 4183182 4186210 4305816 4365540 4583817 4647980 4880379 5023452 5093130 5238648 5382270 5577576 5722920 6111756 6274773 6279315 6458724 6507172 6548310 6790840 6971970 7176360 7535178 7639695 8073405 8133965 8366364 8372420 8731080 9167634 9295960 9760758 10046904 10186260 10457955 10764540 11302767 12223512 12549546 12558630 12917448 13014344 13096620 13943940 14641137 15070356 15279390 16146810 16267930 16732728 16744840 18335268 18359521 18837945 19521516 20372520 20915910 21529080 22605534 22919085 24401895 25099092 25117260 26193240 27887880 29282274 30140712 30558780 31373865 32293620 32535860 36670536 36719042 37675890 39043032 41831820 43923411 45211068 45838170 48803790 50198184 50234520 55078563 56513835 58564548 61117560 62747730 64587240 65071720 73205685 73438084 75351780 83663640 87846822 90422136 91676340 91797605 97607580 110157126 113027670 117129096 125495460 128516647 146411370 146876168 150703560 165235689 175693644 183352680 183595210 195215160 219617055 220314252 226055340 250990920 257033294 275392815 292822740 330471378 351387288 367190420 385549941 439234110 440628504 452110680 495707067 514066588 550785630 585645480 642583235 660942756 734380840 771099882 826178445 878468220 991414134 1028133176 1101571260 1156649823 1285166470 1321885512 1542199764 1652356890 1756936440 1927749705 1982828268 2203142520 2313299646 2478535335 2570332940 3084399528 3304713780 3469949469 3855499410 3965656536 4626599292 4957070670 5140665880 5783249115 6609427560 6939898938 7710998820 9253198584 9914141340 11566498230 13879797876 15421997640 17349747345 19828282680 23132996460 27759595752 34699494690 46265992920 69398989380 138797978760
• Sum of all divisors σ(n): 537901056000
• Sum of proper divisors (its aliquot sum) s(n): 399103077240
• 138797978760 is an abundant number, because the sum of its proper divisors (399103077240) is greater than itself. Its abundance is 260305098480

Bases of 138797978760

• Binary: 10000001010001000000010001010010001000₂
• Hexadecimal: 0x2051011488
• Base-36: 1RRGQDU0

Squares and roots of 138797978760

• 138797978760 squared (138797978760²) is 19264878907861411137600
• 138797978760 cubed (138797978760³) is 2673926253467320140100232237376000
• The square root of 138797978760 is 372556.0075478585
• The cube root of 138797978760 is 5177.5906810065

Scales and comparisons

• 138,797,978,760 seconds is equal to 4,413 years, 18 weeks, 2 hours, 6 minutes.
• To count from 1 to 138,797,978,760 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 138797978760 cubic inches would be around 431.5 feet tall.

Recreational maths with 138797978760

• 138797978760 backwards is 067879797831
• 138797978760 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138797978760's digits is 72
• More coming soon!