72172017940

Names of 72172017940

• Cardinal: 72172017940 can be written as Seventy-two billion, one hundred seventy-two million, seventeen thousand, nine hundred forty.

Scientific notation

• Scientific notation: 7.217201794 × 10¹⁰

Factors of 72172017940

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 14040

Divisors of 72172017940

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 10 11 17 19 20 22 34 38 44 55 68 73 76 85 95 110 146 170 187 190 209 220 292 323 340 365 374 380 418 646 730 748 803 836 935 1045 1241 1292 1387 1460 1606 1615 1870 2090 2482 2774 3212 3230 3553 3740 4015 4180 4964 5548 6205 6460 6935 7106 8030 12410 13651 13870 13913 14212 15257 16060 17765 23579 24820 27302 27740 27826 30514 35530 47158 54604 55652 61028 68255 69565 71060 76285 94316 117895 136510 139130 152570 153043 235790 236521 259369 264347 273020 278260 305140 306086 471580 473042 518738 528694 612172 765215 946084 1015649 1037476 1057388 1182605 1296845 1321735 1530430 2031298 2365210 2593690 2601731 2643470 2907817 3060860 4062596 4493899 4730420 5078245 5187380 5203462 5286940 5815634 8987798 10156490 10406924 11172139 11631268 13008655 14539085 17266033 17975596 19297331 20312980 22344278 22469495 26017310 29078170 34532066 38594662 44688556 44938990 49432889 52034620 55860695 58156340 69064132 77189324 86330165 89877980 96486655 98865778 111721390 172660330 189926363 192973310 197731556 212270641 223442780 247164445 328054627 345320660 379852726 385946620 424541282 494328890 656109254 759705452 849082564 949631815 988657780 1061353205 1312218508 1640273135 1899263630 2122706410 3280546270 3608600897 3798527260 4245412820 6561092540 7217201794 14434403588 18043004485 36086008970 72172017940
• Sum of all divisors σ(n): 186817155840
• Sum of proper divisors (its aliquot sum) s(n): 114645137900
• 72172017940 is an abundant number, because the sum of its proper divisors (114645137900) is greater than itself. Its abundance is 42473119960

Bases of 72172017940

• Binary: 1000011001101110010011001100100010100₂
• Hexadecimal: 0x10CDC99914
• Base-36: X5LCTG4

Squares and roots of 72172017940

• 72172017940 squared (72172017940²) is 5208800173531681843600
• 72172017940 cubed (72172017940³) is 375929619570003655174671474184000
• The square root of 72172017940 is 268648.5025828359
• The cube root of 72172017940 is 4163.4780827521

Scales and comparisons

• 72,172,017,940 seconds is equal to 2,294 years, 44 weeks, 6 hours, 45 minutes, 40 seconds.
• To count from 1 to 72,172,017,940 would take you about four thousand, five hundred eighty-nine 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 72172017940 cubic inches would be around 347 feet tall.

Recreational maths with 72172017940

• 72172017940 backwards is 04971027127
• The number of decimal digits it has is: 11
• The sum of 72172017940's digits is 40
• More coming soon!