1988158115840

Names of 1988158115840

• Cardinal: 1988158115840 can be written as One trillion, nine hundred eighty-eight billion, one hundred fifty-eight million, one hundred fifteen thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.98815811584 × 10¹²

Factors of 1988158115840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 140970

Divisors of 1988158115840

• Number of divisors d(n): 208
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 52 53 64 65 80 104 106 128 130 160 208 212 256 260 265 320 416 424 512 520 530 640 689 832 848 1024 1040 1060 1280 1378 1664 1696 2048 2080 2120 2560 2756 3328 3392 3445 4096 4160 4240 5120 5512 6656 6784 6890 8320 8480 10240 11024 13312 13568 13780 16640 16960 20480 22048 26624 27136 27560 33280 33920 44096 53248 54272 55120 66560 67840 88192 108544 110240 133120 135680 140897 176384 217088 220480 266240 271360 281794 352768 440960 542720 563588 704485 705536 881920 1085440 1127176 1408970 1411072 1763840 1831661 2254352 2817940 2822144 3527680 3663322 4508704 5635880 7055360 7326644 7467541 9017408 9158305 11271760 14110720 14653288 14935082 18034816 18316610 22543520 29306576 29870164 36069632 36633220 37337705 45087040 58613152 59740328 72139264 73266440 74675410 90174080 97078033 117226304 119480656 144278528 146532880 149350820 180348160 194156066 234452608 238961312 288557056 293065760 298701640 360696320 388312132 468905216 477922624 485390165 577114112 586131520 597403280 721392640 776624264 937810432 955845248 970780330 1172263040 1194806560 1442785280 1553248528 1875620864 1911690496 1941560660 2344526080 2389613120 2885570560 3106497056 3751241728 3823380992 3883121320 4689052160 4779226240 6212994112 7502483456 7646761984 7766242640 9378104320 9558452480 12425988224 15293523968 15532485280 18756208640 19116904960 24851976448 30587047936 31064970560 37512417280 38233809920 49703952896 62129941120 76467619840 99407905792 124259882240 152935239680 198815811584 248519764480 397631623168 497039528960 994079057920 1988158115840
• Sum of all divisors σ(n): 5234977269648
• Sum of proper divisors (its aliquot sum) s(n): 3246819153808
• 1988158115840 is an abundant number, because the sum of its proper divisors (3246819153808) is greater than itself. Its abundance is 1258661037968

Bases of 1988158115840

• Binary: 11100111011100111011101010101000000000000₂
• Hexadecimal: 0x1CEE7755000
• Base-36: PDCI0C8W

Squares and roots of 1988158115840

• 1988158115840 squared (1988158115840²) is 3952772693580458858905600
• 1988158115840 cubed (1988158115840³) is 7858737110812726748364394100424704000
• The square root of 1988158115840 is 1410020.6083032971
• The cube root of 1988158115840 is 12574.2948608315

Scales and comparisons

• 1,988,158,115,840 seconds is equal to 63,217 years, 14 weeks, 3 days, 7 hours, 17 minutes, 20 seconds.
• To count from 1 to 1,988,158,115,840 would take you about one hundred fifty-eight thousand and forty-three 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 1988158115840 cubic inches would be around 1047.9 feet tall.

Recreational maths with 1988158115840

• 1988158115840 backwards is 0485118518891
• The number of decimal digits it has is: 13
• The sum of 1988158115840's digits is 59
• More coming soon!