660138693440

Names of 660138693440

• Cardinal: 660138693440 can be written as Six hundred sixty billion, one hundred thirty-eight million, six hundred ninety-three thousand, four hundred forty.

Scientific notation

• Scientific notation: 6.6013869344 × 10¹¹

Factors of 660138693440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 93

Divisors of 660138693440

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 32 38 40 64 67 76 80 95 134 152 160 190 268 304 320 335 361 380 536 608 670 722 760 1072 1216 1273 1340 1444 1520 1805 2144 2546 2680 2888 3040 3610 4288 4489 5092 5360 5776 6080 6365 6859 7220 8978 10184 10720 11552 12730 13718 14440 17956 20368 21440 22445 23104 24187 25460 27436 28880 34295 35912 40736 44890 48374 50920 54872 57760 68590 71824 81472 85291 89780 96748 101840 109744 115520 120935 137180 143648 170582 179560 193496 203680 219488 241870 274360 287296 300763 341164 359120 386992 407360 426455 438976 459553 483740 548720 601526 682328 718240 773984 852910 919106 967480 1097440 1203052 1364656 1436480 1503815 1547968 1620529 1705820 1838212 1934960 2194880 2297765 2406104 2729312 3007630 3241058 3411640 3676424 3869920 4595530 4812208 5458624 5714497 6015260 6482116 6823280 7352848 7739840 8102645 9191060 9624416 11428994 12030520 12964232 13646560 14705696 16205290 18382120 19248832 22857988 24061040 25928464 27293120 28572485 29411392 30790051 32410580 36764240 45715976 48122080 51856928 57144970 61580102 64821160 73528480 91431952 96244160 103713856 108575443 114289940 123160204 129642320 147056960 153950255 182863904 217150886 228579880 246320408 259284640 307900510 365727808 434301772 457159760 492640816 518569280 542877215 615801020 868603544 914319520 985281632 1085754430 1231602040 1737207088 1828639040 1970563264 2062933417 2171508860 2463204080 3474414176 4125866834 4343017720 4926408160 6948828352 8251733668 8686035440 9852816320 10314667085 16503467336 17372070880 20629334170 33006934672 34744141760 41258668340 66013869344 82517336680 132027738688 165034673360 330069346720 660138693440
• Sum of all divisors σ(n): 1684413801600
• Sum of proper divisors (its aliquot sum) s(n): 1024275108160
• 660138693440 is an abundant number, because the sum of its proper divisors (1024275108160) is greater than itself. Its abundance is 364136414720

Bases of 660138693440

• Binary: 1001100110110011010101010001001101000000₂
• Hexadecimal: 0x99B3551340
• Base-36: 8F9HJ7SW

Squares and roots of 660138693440

• 660138693440 squared (660138693440²) is 435783094576670299033600
• 660138693440 cubed (660138693440³) is 287677282677083081109694798659584000
• The square root of 660138693440 is 812489.1958912439
• The cube root of 660138693440 is 8707.1975204777

Scales and comparisons

• 660,138,693,440 seconds is equal to 20,990 years, 19 weeks, 1 day, 3 hours, 17 minutes, 20 seconds.
• To count from 1 to 660,138,693,440 would take you about forty-one thousand, nine hundred 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 660138693440 cubic inches would be around 725.6 feet tall.

Recreational maths with 660138693440

• 660138693440 backwards is 044396831066
• The number of decimal digits it has is: 12
• The sum of 660138693440's digits is 50
• More coming soon!