138667793220

Names of 138667793220

• Cardinal: 138667793220 can be written as One hundred thirty-eight billion, six hundred sixty-seven million, seven hundred ninety-three thousand, two hundred twenty.

Scientific notation

• Scientific notation: 1.3866779322 × 10¹¹

Factors of 138667793220

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 111

Divisors of 138667793220

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 31 33 36 44 45 55 59 60 62 66 90 93 99 110 118 121 124 132 155 165 177 180 186 198 220 236 242 279 295 310 330 341 354 363 372 396 465 484 495 531 558 590 605 620 649 660 682 708 726 885 930 990 1023 1062 1089 1116 1180 1210 1298 1364 1395 1452 1705 1770 1815 1829 1860 1947 1980 2046 2124 2178 2420 2596 2655 2790 3069 3245 3410 3481 3540 3630 3658 3751 3894 4092 4356 5115 5310 5445 5487 5580 5841 6138 6490 6820 6962 7139 7260 7316 7502 7788 9145 9735 10230 10443 10620 10890 10974 11253 11682 12276 12980 13924 14278 15004 15345 16461 17405 18290 18755 19470 20119 20460 20886 21417 21780 21948 22506 23364 27435 28556 29205 30690 31329 32922 33759 34810 35695 36580 37510 38291 38940 40238 41772 42834 45012 52215 54870 56265 58410 60357 61380 62658 64251 65844 67518 69620 71390 75020 76582 80476 82305 85668 100595 104430 107085 107911 109740 112530 114873 116820 120714 125316 128502 135036 142780 153164 156645 164610 168795 181071 191455 201190 205379 208860 214170 215822 221309 225060 229746 241428 257004 301785 313290 321255 323733 329220 337590 344619 362142 382910 402380 410758 421201 428340 431644 442618 459492 539555 574365 603570 616137 626580 642510 647466 663927 675180 689238 724284 765820 821516 842402 885236 905355 971199 1026895 1079110 1106545 1148730 1187021 1207140 1232274 1263603 1285020 1294932 1327854 1378476 1618665 1684804 1723095 1810710 1848411 1942398 1991781 2053790 2106005 2158220 2213090 2259169 2297460 2374042 2464548 2527206 2655708 3080685 3237330 3319635 3446190 3561063 3621420 3696822 3790809 3884796 3983562 4107580 4212010 4426180 4518338 4748084 4855995 5054412 5935105 6161370 6318015 6366749 6474660 6639270 6777507 6892380 7122126 7393644 7581618 7967124 8424020 9036676 9242055 9711990 9958905 10683189 11295845 11870210 12322740 12636030 12733498 13057231 13278540 13555014 14244252 15163236 17805315 18484110 18954045 19100247 19423980 19917810 20332521 21366378 22591690 23740420 24850859 25272060 25466996 26114462 27110028 31833745 33887535 35610630 36968220 37908090 38200494 39171693 39835620 40665042 42732756 45183380 49701718 52228924 53415945 57300741 63667490 65286155 67775070 70034239 71221260 74552577 75816180 76400988 78343386 81330084 95501235 99403436 101662605 106831890 114601482 117515079 124254295 127334980 130572310 135550140 140068478 149105154 156686772 191002470 195858465 203325210 210102717 213663780 223657731 229202964 235030158 248508590 261144620 280136956 286503705 298210308 350171195 372762885 382004940 391716930 406650420 420205434 447315462 470060316 497017180 573007410 587575395 630308151 700342390 745525770 770376629 783433860 840410868 894630924 1050513585 1118288655 1146014820 1175150790 1260616302 1400684780 1491051540 1540753258 2101027170 2236577310 2311129887 2350301580 2521232604 3081506516 3151540755 3851883145 4202054340 4473154620 4622259774 6303081510 6933389661 7703766290 9244519548 11555649435 12606163020 13866779322 15407532580 23111298870 27733558644 34666948305 46222597740 69333896610 138667793220
• Sum of all divisors σ(n): 485483281920
• Sum of proper divisors (its aliquot sum) s(n): 346815488700
• 138667793220 is an abundant number, because the sum of its proper divisors (346815488700) is greater than itself. Its abundance is 208147695480

Bases of 138667793220

• Binary: 10000001001001001111101001101101000100₂
• Hexadecimal: 0x20493E9B44
• Base-36: 1RPB8210

Squares and roots of 138667793220

• 138667793220 squared (138667793220²) is 19228756876504677968400
• 138667793220 cubed (138667793220³) is 2666409282428803760884780894248000
• The square root of 138667793220 is 372381.2471379299
• The cube root of 138667793220 is 5175.9714012073

Scales and comparisons

• 138,667,793,220 seconds is equal to 4,409 years, 10 weeks, 5 days, 7 hours, 27 minutes.
• To count from 1 to 138,667,793,220 would take you about eight thousand, eight hundred eighteen 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 138667793220 cubic inches would be around 431.3 feet tall.

Recreational maths with 138667793220

• 138667793220 backwards is 022397766831
• The number of decimal digits it has is: 12
• The sum of 138667793220's digits is 54
• More coming soon!