139688668840

Names of 139688668840

• Cardinal: 139688668840 can be written as One hundred thirty-nine billion, six hundred eighty-eight million, six hundred sixty-eight thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.3968866884 × 10¹¹

Factors of 139688668840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 670

Divisors of 139688668840

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 8 10 14 17 20 28 34 35 40 49 56 68 70 71 85 98 119 136 137 140 142 170 196 238 245 274 280 284 340 355 392 431 476 490 497 548 568 595 680 685 710 833 862 952 959 980 994 1096 1190 1207 1370 1420 1666 1724 1918 1960 1988 2155 2329 2380 2414 2485 2740 2840 3017 3332 3448 3479 3836 3976 4165 4310 4658 4760 4795 4828 4970 5480 6034 6035 6664 6713 6958 7327 7672 8330 8449 8620 9316 9590 9656 9727 9940 11645 12068 12070 13426 13916 14654 15085 16303 16660 16898 17240 17395 18632 19180 19454 19880 21119 23290 24136 24140 26852 27832 29308 30170 30601 32606 33320 33565 33796 34790 36635 38360 38908 42238 42245 46580 48280 48635 51289 53704 58616 59047 59143 60340 61202 65212 67130 67592 68089 69580 73270 77816 81515 84476 84490 93160 97270 102578 105595 114121 118094 118286 120680 122404 130424 134260 136178 139160 146540 153005 163030 165359 168952 168980 194540 205156 211190 214207 228242 236188 236572 244808 256445 268520 272356 293080 295235 295715 306010 326060 330718 337960 340445 359023 389080 410312 413329 422380 428414 456484 472376 473144 476623 512890 520217 544712 570605 590470 591430 612020 652120 661436 680890 718046 826658 826795 844760 856828 912968 953246 1003799 1025780 1040434 1071035 1141210 1157513 1180940 1182860 1224040 1322872 1361780 1436092 1499449 1653316 1653590 1713656 1795115 1906492 2007598 2051560 2066645 2080868 2142070 2282420 2315026 2361880 2365720 2383115 2601085 2723560 2872184 2893303 2998898 3306632 3307180 3590230 3641519 3812984 4015196 4133290 4161736 4192337 4284140 4564840 4630052 4766230 5018995 5202170 5786606 5787565 5997796 6614360 7026593 7180460 7283038 7497245 8030392 8102591 8266580 8384674 8568280 9260104 9532460 10037990 10404340 11573212 11575130 11995592 14053186 14360920 14466515 14566076 14994490 16205182 16533160 16769348 18207595 19064920 20075980 20808680 20961685 23146424 23150260 25490633 28106372 28933030 29132152 29346359 29988980 32410364 33538696 35132965 36415190 40151960 40512955 41923370 46300520 49186151 50981266 56212744 57866060 58692718 59977960 64820728 70265930 71269729 72830380 81025910 83846740 98372302 101962532 115732120 117385436 127453165 140531860 142539458 145660760 146731795 162051820 167693480 196744604 203925064 205424513 234770872 245930755 254906330 281063720 285078916 293463590 324103640 356348645 393489208 410849026 491861510 498888103 509812660 570157832 586927180 712697290 821698052 983723020 997776206 1019625320 1027122565 1173854360 1425394580 1643396104 1967446040 1995552412 2054245130 2494440515 2850789160 3492216721 3991104824 4108490260 4988881030 6984433442 8216980520 9977762060 13968866884 17461083605 19955524120 27937733768 34922167210 69844334420 139688668840
• Sum of all divisors σ(n): 396355783680
• Sum of proper divisors (its aliquot sum) s(n): 256667114840
• 139688668840 is an abundant number, because the sum of its proper divisors (256667114840) is greater than itself. Its abundance is 116978446000

Bases of 139688668840

• Binary: 10000010000110000101111110111010101000₂
• Hexadecimal: 0x208617EEA8
• Base-36: 1S670YP4

Squares and roots of 139688668840

• 139688668840 squared (139688668840²) is 19512924202291186945600
• 139688668840 cubed (139688668840³) is 2725734406993874782494449495104000
• The square root of 139688668840 is 373749.4733641775
• The cube root of 139688668840 is 5188.6422327745

Scales and comparisons

• 139,688,668,840 seconds is equal to 4,441 years, 34 weeks, 5 days, 40 seconds.
• To count from 1 to 139,688,668,840 would take you about eight thousand, eight hundred eighty-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 139688668840 cubic inches would be around 432.4 feet tall.

Recreational maths with 139688668840

• 139688668840 backwards is 048866886931
• The number of decimal digits it has is: 12
• The sum of 139688668840's digits is 67
• More coming soon!