1988925397440

Names of 1988925397440

• Cardinal: 1988925397440 can be written as One trillion, nine hundred eighty-eight billion, nine hundred twenty-five million, three hundred ninety-seven thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.98892539744 × 10¹²

Factors of 1988925397440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2012

Divisors of 1988925397440

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 32 40 46 48 60 64 69 80 92 96 115 120 138 160 184 192 230 240 276 320 345 368 460 480 529 552 690 736 920 960 1058 1104 1380 1472 1587 1840 1979 2116 2208 2645 2760 3174 3680 3958 4232 4416 5290 5520 5937 6348 7360 7916 7935 8464 9895 10580 11040 11874 12696 15832 15870 16928 19790 21160 22080 23748 25392 29685 31664 31740 33856 39580 42320 45517 47496 50784 59370 63328 63480 79160 84640 91034 94992 101568 118740 126656 126960 136551 158320 169280 182068 189984 227585 237480 253920 273102 316640 364136 379968 455170 474960 507840 546204 633280 682755 728272 910340 949920 1046891 1092408 1365510 1456544 1820680 1899840 2093782 2184816 2731020 2913088 3140673 3641360 3916441 4187564 4369632 5234455 5462040 6281346 7282720 7832882 8375128 8739264 10468910 10924080 11749323 12562692 14565440 15665764 15703365 16750256 19582205 20937820 21848160 23498646 25125384 31331528 31406730 33500512 39164410 41875640 43696320 46997292 50250768 58746615 62663056 62813460 67001024 78328820 83751280 90078143 93994584 100501536 117493230 125326112 125626920 156657640 167502560 180156286 187989168 201003072 234986460 250652224 251253840 270234429 313315280 335005120 360312572 375978336 450390715 469972920 502507680 540468858 626630560 720625144 751956672 900781430 939945840 1005015360 1080937716 1253261120 1351172145 1441250288 1801562860 1879891680 2071797289 2161875432 2702344290 2882500576 3603125720 3759783360 4143594578 4323750864 5404688580 5765001152 6215391867 7206251440 8287189156 8647501728 10358986445 10809377160 12430783734 14412502880 16574378312 17295003456 20717972890 21618754320 24861567468 28825005760 31076959335 33148756624 41435945780 43237508640 49723134936 62153918670 66297513248 82871891560 86475017280 99446269872 124307837340 132595026496 165743783120 198892539744 248615674680 331487566240 397785079488 497231349360 662975132480 994462698720 1988925397440
• Sum of all divisors σ(n): 6604671006024
• Sum of proper divisors (its aliquot sum) s(n): 4615745608584
• 1988925397440 is an abundant number, because the sum of its proper divisors (4615745608584) is greater than itself. Its abundance is 2626820211144

Bases of 1988925397440

• Binary: 11100111100010101001100010001100111000000₂
• Hexadecimal: 0x1CF153119C0
• Base-36: PDP6TUIO

Squares and roots of 1988925397440

• 1988925397440 squared (1988925397440²) is 3955824236581861958553600
• 1988925397440 cubed (1988925397440³) is 7867839291946364383011435687542784000
• The square root of 1988925397440 is 1410292.6637545839
• The cube root of 1988925397440 is 12575.9122345753

Scales and comparisons

• 1,988,925,397,440 seconds is equal to 63,241 years, 35 weeks, 21 hours, 4 minutes.
• To count from 1 to 1,988,925,397,440 would take you about one hundred fifty-eight thousand, one hundred four 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 1988925397440 cubic inches would be around 1048 feet tall.

Recreational maths with 1988925397440

• 1988925397440 backwards is 0447935298891
• 1988925397440 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1988925397440's digits is 69
• More coming soon!