680661072

Names of 680661072

• Cardinal: 680661072 can be written as Six hundred eighty million, six hundred sixty-one thousand and seventy-two.

Scientific notation

• Scientific notation: 6.80661072 × 10⁸

Factors of 680661072

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 561

Divisors of 680661072

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 36 39 42 48 52 56 63 72 78 84 91 104 112 117 126 127 144 156 168 182 208 234 252 254 273 312 336 364 381 409 468 504 508 546 624 728 762 818 819 889 936 1008 1016 1092 1143 1227 1456 1524 1636 1638 1651 1778 1872 2032 2184 2286 2454 2667 2863 3048 3272 3276 3302 3556 3681 4368 4572 4908 4953 5317 5334 5726 6096 6544 6552 6604 7112 7362 8001 8589 9144 9816 9906 10634 10668 11452 11557 13104 13208 14224 14724 14859 15951 16002 17178 18288 19632 19812 21268 21336 22904 23114 25767 26416 29448 29718 31902 32004 34356 34671 37219 39624 42536 42672 45808 46228 47853 51534 51943 58896 59436 63804 64008 68712 69342 74438 79248 85072 92456 95706 103068 103886 104013 111657 118872 127608 128016 137424 138684 148876 155829 184912 191412 206136 207772 208026 223314 237744 255216 277368 297752 311658 334971 363601 382824 412272 415544 416052 446628 467487 554736 595504 623316 669942 675259 727202 765648 831088 832104 893256 934974 1090803 1246632 1339884 1350518 1454404 1664208 1786512 1869948 2025777 2181606 2493264 2679768 2701036 2908808 3272409 3739896 4051554 4363212 4726813 5359536 5402072 5817616 6077331 6544818 7479792 8103108 8726424 9453626 10804144 12154662 13089636 14180439 16206216 17452848 18907252 24309324 26179272 28360878 32412432 37814504 42541317 48618648 52358544 56721756 75629008 85082634 97237296 113443512 170165268 226887024 340330536 680661072
• Sum of all divisors σ(n): 2368737280
• Sum of proper divisors (its aliquot sum) s(n): 1688076208
• 680661072 is an abundant number, because the sum of its proper divisors (1688076208) is greater than itself. Its abundance is 1007415136

Bases of 680661072

• Binary: 101000100100100001000001010000₂
• Hexadecimal: 0x28921050
• Base-36: B98XG0

Squares and roots of 680661072

• 680661072 squared (680661072²) is 463299494936189184
• 680661072 cubed (680661072³) is 315349930880325101576245248
• The square root of 680661072 is 26089.4820186219
• The cube root of 680661072 is 879.6508049795

Scales and comparisons

• 680,661,072 seconds is equal to 21 years, 33 weeks, 3 days, 31 minutes, 12 seconds.
• To count from 1 to 680,661,072 would take you about thirty-two 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 680661072 cubic inches would be around 73.3 feet tall.

Recreational maths with 680661072

• 680661072 backwards is 270166086
• 680661072 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 680661072's digits is 36
• More coming soon!