138977667180

Names of 138977667180

• Cardinal: 138977667180 can be written as One hundred thirty-eight billion, nine hundred seventy-seven million, six hundred sixty-seven thousand, one hundred eighty.

Scientific notation

• Scientific notation: 1.3897766718 × 10¹¹

Factors of 138977667180

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 401

Divisors of 138977667180

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 67 73 90 99 110 113 127 132 134 146 165 180 198 201 219 220 226 254 268 292 330 335 339 365 381 396 402 438 452 495 508 565 603 635 657 660 670 678 730 737 762 803 804 876 990 1005 1017 1095 1130 1143 1206 1243 1270 1314 1340 1356 1397 1460 1474 1524 1606 1695 1905 1980 2010 2034 2190 2211 2260 2286 2409 2412 2486 2540 2628 2794 2948 3015 3212 3285 3390 3685 3729 3810 4015 4020 4068 4191 4380 4422 4572 4818 4891 4972 5085 5588 5715 6030 6215 6570 6633 6780 6985 7227 7370 7458 7571 7620 8030 8249 8382 8509 8844 9271 9636 9782 10170 11055 11187 11430 12045 12060 12430 12573 13140 13266 13970 14351 14454 14673 14740 14916 15142 16060 16498 16764 17018 18542 18645 19564 20340 20955 22110 22374 22713 22860 24090 24455 24747 24860 25146 25527 26532 27813 27940 28702 28908 29346 30284 32996 33165 34036 36135 37084 37290 37855 41245 41910 42545 43053 44019 44220 44748 45426 46355 48180 48910 49494 50292 51054 53801 55626 55935 57404 58692 62865 66330 68139 71755 72270 73365 74241 74580 75710 76581 82490 83281 83439 83820 85090 86106 88038 90739 90852 92710 93599 97820 98988 101981 102108 107602 111252 111870 113565 123735 125730 127635 129159 132660 136278 139065 143510 144540 146730 148482 151420 153162 157861 161403 164980 166562 166878 170180 172212 176076 181478 185420 187198 203962 215204 215265 220095 223740 227130 247470 249843 251460 255270 258318 269005 272217 272556 278130 280797 287020 293460 296964 305943 306324 315722 322806 333124 333756 340695 362956 371205 374396 382905 407924 416405 417195 430530 440190 453695 454260 467995 473583 484209 494940 499686 509905 510540 516636 538010 544434 552683 556260 561594 611886 621157 631444 645612 645795 681390 742410 749529 765810 789305 807015 816651 832810 834390 842391 861060 880380 907390 917829 935990 947166 961517 968418 999372 1019810 1047623 1076020 1088868 1105366 1123188 1223772 1242314 1249215 1291590 1361085 1362780 1403985 1420749 1484820 1499058 1529715 1531620 1578610 1614030 1633302 1658049 1665620 1668780 1684782 1814780 1835658 1863471 1871980 1894332 1923034 1936836 2039620 2095246 2210732 2367915 2421045 2484628 2498430 2583180 2722170 2763415 2807970 2841498 2884551 2998116 3059430 3105785 3142869 3157220 3228060 3266604 3316098 3369564 3671316 3726942 3747645 3846068 4083255 4190492 4211955 4589145 4735830 4807585 4842090 4974147 4996860 5238115 5444340 5526830 5590413 5615940 5682996 5769102 6079513 6118860 6211570 6285738 6632196 6832727 7103745 7453884 7495290 8166510 8290245 8423910 8653653 9178290 9317355 9428607 9471660 9615170 9684180 9948294 10476230 10576687 11053660 11180826 11523853 11538204 12159026 12423140 12571476 13665454 14207490 14422755 14990580 15714345 16333020 16580490 16847820 17307306 18238539 18356580 18634710 18857214 19230340 19896588 20498181 20952460 21153374 22361652 23047706 24318052 24870735 27330908 27952065 28414980 28845510 30397565 31428690 31730061 33160980 34163635 34571559 34614612 36477078 37269420 37714428 40996362 42306748 43268265 46095412 47143035 49741470 52883435 54715617 55904130 57619265 57691020 60795130 61494543 62857380 63460122 68327270 69143118 70190741 72954156 81992724 86536530 91192695 94286070 95190183 99482940 102490905 103714677 105766870 109431234 111808260 115238530 121590260 122989086 126920244 136654540 138286236 140381482 158650305 172857795 173073060 182385390 188572140 190380366 204981810 207429354 210572223 211533740 218862468 230477060 245978172 273578085 280762964 307472715 317300610 345715590 350953705 364770780 380760732 409963620 414858708 421144446 475950915 518573385 547156170 614945430 631716669 634601220 691431180 701907410 772098151 842288892 951901830 1037146770 1052861115 1094312340 1229890860 1263433338 1403814820 1544196302 1903803660 2074293540 2105722230 2316294453 2526866676 3088392604 3158583345 3860490755 4211444460 4632588906 6317166690 6948883359 7720981510 9265177812 11581472265 12634333380 13897766718 15441963020 23162944530 27795533436 34744416795 46325889060 69488833590 138977667180
• Sum of all divisors σ(n): 481093337088
• Sum of proper divisors (its aliquot sum) s(n): 342115669908
• 138977667180 is an abundant number, because the sum of its proper divisors (342115669908) is greater than itself. Its abundance is 203138002728

Bases of 138977667180

• Binary: 10000001011011101101101110100001101100₂
• Hexadecimal: 0x205BB6E86C
• Base-36: 1RUFPQB0

Squares and roots of 138977667180

• 138977667180 squared (138977667180²) is 19314791974794849152400
• 138977667180 cubed (138977667180³) is 2684324730723973494280552298232000
• The square root of 138977667180 is 372797.0857986957
• The cube root of 138977667180 is 5179.8240274045

Scales and comparisons

• 138,977,667,180 seconds is equal to 4,419 years, 3 weeks, 19 hours, 33 minutes.
• To count from 1 to 138,977,667,180 would take you about eight thousand, eight hundred thirty-eight 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 138977667180 cubic inches would be around 431.7 feet tall.

Recreational maths with 138977667180

• 138977667180 backwards is 081766779831
• The number of decimal digits it has is: 12
• The sum of 138977667180's digits is 63
• More coming soon!