138773789440

Names of 138773789440

• Cardinal: 138773789440 can be written as One hundred thirty-eight billion, seven hundred seventy-three million, seven hundred eighty-nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.3877378944 × 10¹¹

Factors of 138773789440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2369

Divisors of 138773789440

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 8 10 11 13 16 20 22 26 32 40 44 52 55 64 65 80 88 104 110 128 130 143 160 176 208 220 256 260 286 320 352 389 416 440 520 572 640 704 715 778 832 880 1040 1144 1280 1408 1430 1556 1664 1760 1945 1949 2080 2288 2816 2860 3112 3328 3520 3890 3898 4160 4279 4576 5057 5720 6224 7040 7780 7796 8320 8558 9152 9745 10114 11440 12448 14080 15560 15592 16640 17116 18304 19490 20228 21395 21439 22880 24896 25285 25337 31120 31184 34232 36608 38980 40456 42790 42878 45760 49792 50570 50674 55627 62240 62368 68464 77960 80912 85580 85756 91520 99584 101140 101348 107195 111254 124480 124736 126685 136928 155920 161824 171160 171512 183040 202280 202696 214390 222508 248960 249472 253370 273856 278135 278707 311840 323648 342320 343024 404560 405392 428780 445016 497920 498944 506740 547712 556270 557414 623680 647296 684640 686048 758161 809120 810784 857560 890032 1013480 1095424 1112540 1114828 1247360 1294592 1369280 1372096 1393535 1516322 1618240 1621568 1715120 1780064 2026960 2225080 2229656 2494720 2738560 2744192 2787070 3032644 3236480 3243136 3430240 3560128 3790805 4053920 4450160 4459312 5477120 5488384 5574140 6065288 6472960 6486272 6860480 7120256 7581610 8107840 8339771 8900320 8918624 9856093 11148280 12130576 13720960 14240512 15163220 16215680 16679542 17800640 17837248 19712186 22296560 24261152 27441920 30326440 32431360 33359084 35601280 35674496 39424372 41698855 44593120 48522304 49280465 60652880 66718168 71202560 71348992 78848744 83397710 89186240 97044608 98560930 108417023 121305760 133436336 157697488 166795420 178372480 194089216 197121860 216834046 242611520 266872672 315394976 333590840 356744960 394243720 433668092 485223040 533745344 542085115 630789952 667181680 788487440 867336184 970446080 1067490688 1084170230 1261579904 1334363360 1576974880 1734672368 2134981376 2168340460 2523159808 2668726720 3153949760 3469344736 4336680920 5337453440 6307899520 6938689472 8673361840 10674906880 12615799040 13877378944 17346723680 27754757888 34693447360 69386894720 138773789440
• Sum of all divisors σ(n): 391724424000
• Sum of proper divisors (its aliquot sum) s(n): 252950634560
• 138773789440 is an abundant number, because the sum of its proper divisors (252950634560) is greater than itself. Its abundance is 114176845120

Bases of 138773789440

• Binary: 10000001001111100011111111101100000000₂
• Hexadecimal: 0x204F8FFB00
• Base-36: 1RR2BX8G

Squares and roots of 138773789440

• 138773789440 squared (138773789440²) is 19258164635537455513600
• 138773789440 cubed (138773789440³) is 2672528484132929192677693456384000
• The square root of 138773789440 is 372523.5421285477
• The cube root of 138773789440 is 5177.2898849015

Scales and comparisons

• 138,773,789,440 seconds is equal to 4,412 years, 30 weeks, 2 hours, 50 minutes, 40 seconds.
• To count from 1 to 138,773,789,440 would take you about eight thousand, eight hundred twenty-five 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 138773789440 cubic inches would be around 431.4 feet tall.

Recreational maths with 138773789440

• 138773789440 backwards is 044987377831
• The number of decimal digits it has is: 12
• The sum of 138773789440's digits is 61
• More coming soon!