72664602668

Names of 72664602668

• Cardinal: 72664602668 can be written as Seventy-two billion, six hundred sixty-four million, six hundred two thousand, six hundred sixty-eight.

Scientific notation

• Scientific notation: 7.2664602668 × 10¹⁰

Factors of 72664602668

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 172

Divisors of 72664602668

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 14 19 28 38 71 73 76 133 142 146 266 284 292 361 497 511 532 722 994 1022 1349 1387 1444 1988 2044 2527 2698 2774 5054 5183 5329 5396 5548 6859 9443 9709 10108 10366 10658 13718 18886 19418 20732 21316 25631 26353 27436 36281 37303 37772 38836 48013 51262 52706 72562 74606 96026 98477 101251 102524 105412 145124 149212 179417 184471 192052 196954 202502 358834 368942 378359 393908 405004 486989 500707 689339 708757 717668 737884 756718 973978 1001414 1378678 1417514 1513436 1871063 1923769 1947956 2002828 2648513 2757356 2835028 3408923 3504949 3742126 3847538 5297026 6817846 7009898 7188821 7484252 7695076 10594052 13097441 13466383 13635692 14019796 14377642 26194882 26932766 28755284 35550197 36551611 50321747 52389764 53865532 71100394 73103222 100643494 136587599 142200788 146206444 201286988 248851379 255861277 273175198 497702758 511722554 546350396 956113193 995405516 1023445108 1912226386 2595164381 3824452772 5190328762 10380657524 18166150667 36332301334 72664602668
• Sum of all divisors σ(n): 157722647040
• Sum of proper divisors (its aliquot sum) s(n): 85058044372
• 72664602668 is an abundant number, because the sum of its proper divisors (85058044372) is greater than itself. Its abundance is 12393441704

Bases of 72664602668

• Binary: 1000011101011001001011101100000101100₂
• Hexadecimal: 0x10EB25D82C
• Base-36: XDQMM98

Squares and roots of 72664602668

• 72664602668 squared (72664602668²) is 5280144480898312718224
• 72664602668 cubed (72664602668³) is 383679600734109009381358002621632
• The square root of 72664602668 is 269563.7265434651
• The cube root of 72664602668 is 4172.9287330545

Scales and comparisons

• 72,664,602,668 seconds is equal to 2,310 years, 26 weeks, 3 days, 11 hours, 51 minutes, 8 seconds.
• To count from 1 to 72,664,602,668 would take you about four thousand, six hundred twenty-one 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 72664602668 cubic inches would be around 347.7 feet tall.

Recreational maths with 72664602668

• 72664602668 backwards is 86620646627
• The number of decimal digits it has is: 11
• The sum of 72664602668's digits is 53
• More coming soon!