16991936640

Names of 16991936640

• Cardinal: 16991936640 can be written as Sixteen billion, nine hundred ninety-one million, nine hundred thirty-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.699193664 × 10¹⁰

Factors of 16991936640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3365

Divisors of 16991936640

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 63 64 70 72 80 84 90 96 105 112 120 126 128 131 140 144 160 168 180 192 210 224 240 252 262 280 288 315 320 336 360 384 393 420 448 480 504 524 560 576 630 640 655 672 720 786 840 896 917 960 1008 1048 1120 1152 1179 1260 1310 1344 1440 1572 1680 1834 1920 1965 2016 2096 2240 2358 2520 2620 2688 2751 2880 3144 3217 3360 3668 3930 4032 4192 4480 4585 4716 5040 5240 5502 5760 5895 6288 6434 6720 7336 7860 8064 8253 8384 9170 9432 9651 10080 10480 11004 11790 12576 12868 13440 13755 14672 15720 16085 16506 16768 18340 18864 19302 20160 20960 22008 22519 23580 25152 25736 27510 28953 29344 31440 32170 33012 36680 37728 38604 40320 41265 41920 44016 45038 47160 48255 50304 51472 55020 57906 58688 62880 64340 66024 67557 73360 75456 77208 82530 83840 88032 90076 94320 96510 102944 110040 112595 115812 117376 125760 128680 132048 135114 144765 146720 150912 154416 165060 176064 180152 188640 193020 202671 205888 220080 225190 231624 251520 257360 264096 270228 289530 293440 308832 330120 337785 352128 360304 377280 386040 405342 411776 421427 440160 450380 463248 514720 528192 540456 579060 586880 617664 660240 675570 720608 754560 772080 810684 842854 880320 900760 926496 1013355 1029440 1056384 1080912 1158120 1235328 1264281 1320480 1351140 1441216 1544160 1621368 1685708 1760640 1801520 1852992 2026710 2058880 2107135 2161824 2316240 2528562 2640960 2702280 2882432 2949989 3088320 3242736 3371416 3603040 3705984 3792843 4053420 4214270 4323648 4632480 5057124 5281920 5404560 5899978 6176640 6321405 6485472 6742832 7206080 7585686 8106840 8428540 8647296 8849967 9264960 10114248 10809120 11799956 12642810 12970944 13485664 14412160 14749945 15171372 16213680 16857080 17699934 18529920 18964215 20228496 21618240 23599912 25285620 25941888 26549901 26971328 29499890 30342744 32427360 33714160 35399868 37928430 40456992 43236480 44249835 47199824 50571240 53099802 53942656 58999780 60685488 64854720 67428320 70799736 75856860 80913984 88499670 94399648 101142480 106199604 117999560 121370976 129709440 132749505 134856640 141599472 151713720 161827968 176999340 188799296 202284960 212399208 235999120 242741952 265499010 269713280 283198944 303427440 353998680 377598592 404569920 424798416 471998240 485483904 530998020 566397888 606854880 707997360 809139840 849596832 943996480 1061996040 1132795776 1213709760 1415994720 1699193664 1887992960 2123992080 2427419520 2831989440 3398387328 4247984160 5663978880 8495968320 16991936640
• Sum of all divisors σ(n): 67590357120
• Sum of proper divisors (its aliquot sum) s(n): 50598420480
• 16991936640 is an abundant number, because the sum of its proper divisors (50598420480) is greater than itself. Its abundance is 33606483840

Bases of 16991936640

• Binary: 1111110100110011000110000010000000₂
• Hexadecimal: 0x3F4CC6080
• Base-36: 7T0K680

Squares and roots of 16991936640

• 16991936640 squared (16991936640²) is 288725910777774489600
• 16991936640 cubed (16991936640³) is 4906012382262237247491538944000
• The square root of 16991936640 is 130353.1228624769
• The cube root of 16991936640 is 2570.8749936385

Scales and comparisons

• 16,991,936,640 seconds is equal to 540 years, 15 weeks, 22 hours, 24 minutes.
• To count from 1 to 16,991,936,640 would take you about one thousand and eighty 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 16991936640 cubic inches would be around 214.2 feet tall.

Recreational maths with 16991936640

• 16991936640 backwards is 04663919961
• The number of decimal digits it has is: 11
• The sum of 16991936640's digits is 54
• More coming soon!