138028400730

Names of 138028400730

• Cardinal: 138028400730 can be written as One hundred thirty-eight billion, twenty-eight million, four hundred thousand, seven hundred thirty.

Scientific notation

• Scientific notation: 1.3802840073 × 10¹¹

Factors of 138028400730

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 130

Divisors of 138028400730

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 17 18 19 22 27 30 33 34 38 45 51 54 55 57 66 73 81 85 90 95 99 102 110 114 135 146 153 162 165 170 171 187 190 198 209 219 243 255 270 285 297 306 323 330 342 365 374 405 418 438 459 486 495 510 513 561 570 594 627 646 657 729 730 765 803 810 855 891 918 935 969 990 1026 1045 1095 1122 1215 1241 1254 1314 1377 1387 1458 1485 1530 1539 1606 1615 1683 1710 1782 1870 1881 1938 1971 2090 2190 2295 2409 2430 2482 2565 2673 2754 2774 2805 2907 2970 3078 3135 3230 3285 3366 3553 3645 3723 3762 3942 4015 4131 4161 4455 4590 4617 4818 4845 5049 5130 5329 5346 5610 5643 5814 5913 6205 6270 6570 6885 6935 7106 7227 7290 7446 7695 8019 8030 8262 8322 8415 8721 8910 9234 9405 9690 9855 10098 10658 10659 11169 11286 11826 12045 12393 12410 12483 13365 13651 13770 13851 13870 14454 14535 15147 15257 15390 15987 16038 16830 16929 17442 17739 17765 18615 18810 19710 20655 20805 21318 21681 22338 23085 23579 24090 24786 24966 25245 26163 26645 26730 27302 27702 28215 29070 29565 30294 30514 31974 31977 33507 33858 35478 35530 36135 37230 37449 40095 40953 41310 41610 43362 43605 45441 45771 46170 47158 47961 50490 50787 52326 53217 53290 53295 55845 56430 58619 59130 61965 62415 63954 65043 67014 68255 69255 70737 72270 74898 75735 76285 78489 79935 80190 81906 84645 87210 88695 90593 90882 91542 95922 95931 100521 101251 101574 106434 106590 108405 111690 112347 117238 117895 122859 123930 124830 130086 130815 136323 136510 137313 138510 141474 143883 151470 152361 152570 156978 159870 159885 167535 169290 175857 177390 181186 187245 191862 195129 201042 202502 204765 212211 216810 224694 227205 228855 235467 235790 239805 245718 253935 259369 261630 266085 271779 272646 274626 287766 287793 293095 301563 303753 304722 319770 325215 335070 337041 351714 353685 368577 374490 390258 392445 409530 411939 424422 431649 452965 454410 457710 470934 479610 479655 502605 506255 507870 518738 527571 532170 543558 561735 575586 585387 586190 603126 607506 614295 636633 650430 674082 681615 686565 707370 719415 737154 761805 778107 784890 815337 823878 863298 863379 879285 904689 905930 911259 959310 975645 996523 1005210 1011123 1012510 1055142 1061055 1105731 1113761 1123470 1170774 1177335 1228590 1235817 1273266 1294947 1296845 1358895 1363230 1373130 1438830 1438965 1507815 1518765 1523610 1556214 1582713 1630674 1685205 1721267 1726758 1758570 1809378 1822518 1842885 1909899 1951290 1993046 2022246 2059695 2122110 2158245 2211462 2227522 2334321 2354670 2446011 2471634 2589894 2590137 2593690 2637855 2717790 2733777 2877930 2926935 2989569 3015630 3037530 3165426 3183165 3317193 3341283 3370410 3442534 3685770 3707451 3819798 3884841 3890535 4076685 4119390 4316490 4316895 4523445 4556295 4668642 4748139 4892022 4982615 5055615 5163801 5180274 5275710 5467554 5528655 5568805 5729697 5853870 5979138 6179085 6366330 6474735 6634386 6682566 7002963 7338033 7414902 7769682 7781070 7913565 8153370 8201331 8606335 8633790 8968707 9046890 9112590 9496278 9549495 9951579 9965230 10023849 10111230 10327602 11057310 11122353 11137610 11459394 11671605 12230055 12358170 12949470 12950685 13668885 14005926 14244417 14676066 14947845 15491403 15827130 16402662 16585965 16706415 17189091 17212670 17937414 18537255 18933937 19098990 19424205 19903158 20047698 21008889 22014099 22244706 23343210 23740695 24460110 24603993 25819005 25901370 26906121 27337770 28488834 28648485 29895690 30071547 30982806 33171930 33412830 34378182 35014815 36690165 37074510 37867874 38848410 41006655 42017778 42733251 44028198 44843535 46474209 47481390 49207986 49757895 50119245 51638010 53812242 55611765 56801811 57296970 60143094 63026667 66042297 70029630 71222085 73380330 73811979 77457015 80718363 82013310 85466502 85945455 89687070 90214641 92948418 94669685 99515790 100238490 105044445 110070495 111223530 113603622 123019965 126053334 132084594 134530605 139422627 142444170 147623958 150357735 154914030 161436726 170405433 171890910 180429282 189080001 189339370 210088890 213666255 220140990 232371045 242155089 246039930 269061210 270643923 278845254 284009055 300715470 315133335 330211485 340810866 369059895 378160002 403591815 418267881 427332510 451073205 464742090 484310178 511216299 541287846 568018110 630266670 660422970 697113135 726465267 738119790 807183630 811931769 836535762 852027165 902146410 945400005 1022432598 1210775445 1254803643 1353219615 1394226270 1452930534 1533648897 1623863538 1704054330 1890800010 2091339405 2421550890 2509607286 2556081495 2706439230 3067297794 3632326335 4059658845 4182678810 4600946691 5112162990 6274018215 7264652670 7668244485 8119317690 9201893382 12548036430 13802840073 15336488970 23004733455 27605680146 46009466910 69014200365 138028400730
• Sum of all divisors σ(n): 459210047040
• Sum of proper divisors (its aliquot sum) s(n): 321181646310
• 138028400730 is an abundant number, because the sum of its proper divisors (321181646310) is greater than itself. Its abundance is 183153245580

Bases of 138028400730

• Binary: 10000000100011001000100100000001011010₂
• Hexadecimal: 0x202322405A
• Base-36: 1REQJNMI

Squares and roots of 138028400730

• 138028400730 squared (138028400730²) is 19051839408081464532900
• 138028400730 cubed (138028400730³) is 2629694924462274387032403469017000
• The square root of 138028400730 is 371521.7365511741
• The cube root of 138028400730 is 5168.0037329051

Scales and comparisons

• 138,028,400,730 seconds is equal to 4,388 years, 45 weeks, 3 days, 22 hours, 25 minutes, 30 seconds.
• To count from 1 to 138,028,400,730 would take you about eight thousand, seven hundred seventy-seven 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 138028400730 cubic inches would be around 430.7 feet tall.

Recreational maths with 138028400730

• 138028400730 backwards is 037004820831
• The number of decimal digits it has is: 12
• The sum of 138028400730's digits is 36
• More coming soon!