138897419760

Names of 138897419760

• Cardinal: 138897419760 can be written as One hundred thirty-eight billion, eight hundred ninety-seven million, four hundred nineteen thousand, seven hundred sixty.

Scientific notation

• Scientific notation: 1.3889741976 × 10¹¹

Factors of 138897419760

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 21

Divisors of 138897419760

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 33 36 40 44 45 48 54 55 60 66 72 80 81 88 90 99 108 110 120 121 132 135 144 162 165 176 180 198 216 220 240 242 243 264 270 297 324 330 360 363 396 405 432 440 484 486 495 528 540 594 605 648 660 720 726 729 792 810 880 891 968 972 990 1080 1089 1188 1210 1215 1296 1320 1452 1458 1485 1584 1620 1782 1815 1936 1944 1980 2160 2178 2187 2376 2420 2430 2640 2673 2904 2916 2970 3240 3267 3564 3630 3645 3888 3960 4356 4374 4455 4752 4840 4860 5346 5445 5808 5832 5940 6480 6534 6561 7128 7260 7290 7920 8019 8712 8748 8910 9680 9720 9801 10692 10890 10935 11664 11880 13068 13122 13365 14256 14520 14580 16038 16335 17424 17496 17820 19440 19602 19683 21384 21780 21870 23760 24057 26136 26244 26730 29040 29160 29403 32076 32670 32805 34992 35640 39204 39366 40095 42768 43560 43740 48114 49005 52272 52488 53460 58320 58806 59049 64152 65340 65610 71280 72171 78408 78732 80190 87120 87480 88209 96228 98010 98415 104976 106920 117612 118098 120285 128304 130680 131220 144342 147015 156816 157464 160380 174960 176418 177147 192456 196020 196830 213840 216513 235224 236196 240570 261360 262440 264627 288684 294030 295245 314928 320760 352836 354294 360855 384912 392040 393660 433026 441045 470448 472392 481140 524880 529254 531441 577368 588060 590490 641520 649539 705672 708588 721710 784080 787320 793881 866052 882090 885735 944784 962280 1058508 1062882 1082565 1154736 1176120 1180980 1299078 1323135 1411344 1417176 1443420 1574640 1587762 1594323 1732104 1764180 1771470 1924560 1948617 2117016 2125764 2165130 2352240 2361960 2381643 2598156 2646270 2657205 2834352 2886840 3175524 3188646 3247695 3464208 3528360 3542940 3897234 3969405 4234032 4251528 4330260 4723920 4763286 4782969 5196312 5292540 5314410 5773680 5845851 6351048 6377292 6495390 7056720 7085880 7144929 7794468 7938810 7971615 8503056 8660520 9526572 9565938 9743085 10392624 10585080 10628820 11691702 11908215 12702096 12754584 12990780 14171760 14289858 14348907 15588936 15877620 15943230 17321040 17537553 19053144 19131876 19486170 21170160 21257640 21434787 23383404 23816430 23914845 25509168 25981560 28579716 28697814 29229255 31177872 31755240 31886460 35075106 35724645 38106288 38263752 38972340 42515280 42869574 46766808 47632860 47829690 51963120 52612659 57159432 57395628 58458510 63510480 63772920 64304361 70150212 71449290 71744535 76527504 77944680 85739148 87687765 93533616 95265720 95659380 105225318 107173935 114318864 114791256 116917020 127545840 128608722 140300424 142898580 143489070 155889360 157837977 171478296 175375530 190531440 191318760 192913083 210450636 214347870 229582512 233834040 257217444 263063295 280600848 285797160 286978140 315675954 321521805 342956592 350751060 382637520 385826166 420901272 428695740 467668080 514434888 526126590 571594320 573956280 578739249 631351908 643043610 701502120 771652332 789189885 841802544 857391480 964565415 1028869776 1052253180 1147912560 1157478498 1262703816 1286087220 1403004240 1543304664 1578379770 1714782960 1736217747 1929130830 2104506360 2314956996 2525407632 2572174440 2893696245 3086609328 3156759540 3472435494 3858261660 4209012720 4629913992 5144348880 5787392490 6313519080 6944870988 7716523320 8681088735 9259827984 11574784980 12627038160 13889741976 15433046640 17362177470 23149569960 27779483952 34724354940 46299139920 69448709880 138897419760
• Sum of all divisors σ(n): 532444879680
• Sum of proper divisors (its aliquot sum) s(n): 393547459920
• 138897419760 is an abundant number, because the sum of its proper divisors (393547459920) is greater than itself. Its abundance is 254650040160

Bases of 138897419760

• Binary: 10000001010110111011100110110111110000₂
• Hexadecimal: 0x2056EE6DF0
• Base-36: 1RT3XR00

Squares and roots of 138897419760

• 138897419760 squared (138897419760²) is 19292493215985638457600
• 138897419760 cubed (138897419760³) is 2679677528437709566976866162176000
• The square root of 138897419760 is 372689.4414388473
• The cube root of 138897419760 is 5178.8268706857

Scales and comparisons

• 138,897,419,760 seconds is equal to 4,416 years, 26 weeks, 3 days, 36 minutes.
• To count from 1 to 138,897,419,760 would take you about eight thousand, eight hundred thirty-three 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 138897419760 cubic inches would be around 431.6 feet tall.

Recreational maths with 138897419760

• 138897419760 backwards is 067914798831
• The number of decimal digits it has is: 12
• The sum of 138897419760's digits is 63
• More coming soon!