1988895849840640

Names of 1988895849840640

• Cardinal: 1988895849840640 can be written as One quadrillion, nine hundred eighty-eight trillion, eight hundred ninety-five billion, eight hundred forty-nine million, eight hundred forty thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.98889584984064 × 10¹⁵

Factors of 1988895849840640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 24
• Sum of prime factors: 14590473

Divisors of 1988895849840640

• Number of divisors d(n): 176
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 128 130 160 208 256 260 320 416 512 520 640 832 1024 1040 1280 1664 2048 2080 2560 3328 4096 4160 5120 6656 8192 8320 10240 13312 16384 16640 20480 26624 32768 33280 40960 53248 65536 66560 81920 106496 131072 133120 163840 212992 262144 266240 327680 425984 524288 532480 655360 851968 1048576 1064960 1310720 1703936 2097152 2129920 2621440 3407872 4259840 5242880 6815744 8519680 10485760 13631488 14590453 17039360 27262976 29180906 34078720 58361812 68157440 72952265 116723624 136314880 145904530 189675889 233447248 291809060 379351778 466894496 583618120 758703556 933788992 948379445 1167236240 1517407112 1867577984 1896758890 2334472480 3034814224 3735155968 3793517780 4668944960 6069628448 7470311936 7587035560 9337889920 12139256896 14940623872 15174071120 18675779840 24278513792 29881247744 30348142240 37351559680 48557027584 59762495488 60696284480 74703119360 97114055168 119524990976 121392568960 149406238720 194228110336 239049981952 242785137920 298812477440 388456220672 478099963904 485570275840 597624954880 776912441344 956199927808 971140551680 1195249909760 1553824882688 1912399855616 1942281103360 2390499819520 3107649765376 3824799711232 3884562206720 4780999639040 6215299530752 7649599422464 7769124413440 9561999278080 12430599061504 15299198844928 15538248826880 19123998556160 24861198123008 30598397689856 31076497653760 38247997112320 49722396246016 62152995307520 76495994224640 99444792492032 124305990615040 152991988449280 198889584984064 248611981230080 397779169968128 497223962460160 994447924920320 1988895849840640
• Sum of all divisors σ(n): 5140529938619208
• Sum of proper divisors (its aliquot sum) s(n): 3151634088778568
• 1988895849840640 is an abundant number, because the sum of its proper divisors (3151634088778568) is greater than itself. Its abundance is 1162738238937928

Bases of 1988895849840640

• Binary: 111000100001110001111100110101000000000000000000000₂
• Hexadecimal: 0x710E3E6A00000
• Base-36: JL065184XS

Squares and roots of 1988895849840640

• 1988895849840640 squared (1988895849840640²) is 3955706701513321614713395609600
• 1988895849840640 cubed (1988895849840640³) is 7867488641826652659265608534820933435654144000
• The square root of 1988895849840640 is 44597038.5770248203
• The cube root of 1988895849840640 is 125758.4995808877

Scales and comparisons

• 1,988,895,849,840,640 seconds is equal to 63,240,735 years, 50 weeks, 1 day, 16 hours, 10 minutes, 40 seconds.
• To count from 1 to 1,988,895,849,840,640 would take you about one hundred eighty-nine million, seven hundred twenty-two thousand, two hundred seven 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 1988895849840640 cubic inches would be around 10479.9 feet tall.

Recreational maths with 1988895849840640

• 1988895849840640 backwards is 0460489485988891
• The number of decimal digits it has is: 16
• The sum of 1988895849840640's digits is 91
• More coming soon!