1991398120448

Names of 1991398120448

• Cardinal: 1991398120448 can be written as One trillion, nine hundred ninety-one billion, three hundred ninety-eight million, one hundred twenty thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 1.991398120448 × 10¹²

Factors of 1991398120448

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 3145

Divisors of 1991398120448

• Number of divisors d(n): 352
• Complete list of divisors:
  1 2 4 8 11 16 19 22 23 32 38 44 46 64 76 88 92 128 137 152 176 184 209 253 256 274 304 352 368 418 437 506 512 548 608 704 736 836 874 1012 1024 1096 1216 1408 1472 1507 1672 1748 2024 2192 2432 2603 2816 2944 2953 3014 3151 3344 3496 4048 4384 4807 4864 5206 5632 5888 5906 6028 6302 6688 6992 8096 8768 9614 9728 10412 11264 11776 11812 12056 12604 13376 13984 16192 17536 19228 19456 20824 23552 23624 24112 25208 26752 27968 28633 32384 32483 34661 35072 38456 41648 47248 48224 50416 53504 55936 56107 57266 59869 64768 64966 67919 69322 70144 76912 83296 94496 96448 100832 107008 111872 112214 114532 119738 129536 129932 135838 138644 140288 153824 166592 188992 192896 201664 214016 223744 224428 229064 239476 259072 259864 271676 277288 307648 333184 377984 385792 403328 404561 447488 448856 458128 478952 519728 543352 554576 615296 617177 658559 666368 747109 755968 771584 806656 809122 897712 916256 957904 1039456 1086704 1109152 1230592 1234354 1290461 1317118 1332736 1494218 1511936 1543168 1613312 1618244 1795424 1832512 1915808 2078912 2173408 2218304 2461184 2468708 2580922 2634236 2665472 2988436 3023872 3226624 3236488 3590848 3665024 3831616 4157824 4346816 4436608 4450171 4922368 4937416 5161844 5268472 5976872 6472976 7181696 7330048 7663232 7686659 8315648 8693632 8873216 8900342 9304903 9874832 10323688 10536944 11953744 12945952 14195071 14363392 14660096 15326464 15373318 16631296 17387264 17746432 17800684 18609806 19749664 20647376 21073888 23907488 25891904 28390142 28726784 29320192 30652928 30746636 33262592 34774528 35492864 35601368 37219612 39499328 41294752 42147776 47814976 51783808 56780284 57453568 61305856 61493272 69549056 71202736 74439224 78998656 82589504 84295552 84553249 95629952 102353933 103567616 113560568 122986544 142405472 148878448 157997312 165179008 168591104 169106498 176793157 191259904 204707866 207135232 227121136 245973088 284810944 297756896 315994624 330358016 337182208 338212996 353586314 382519808 409415732 414270464 454242272 491946176 569621888 595513792 631989248 660716032 674364416 676425992 707172628 765039616 818831464 908484544 983892352 1139243776 1191027584 1321432064 1352851984 1414345256 1637662928 1816969088 1944724727 1967784704 2278487552 2382055168 2705703968 2828690512 3275325856 3633938176 3889449454 3935569408 4556975104 4764110336 5411407936 5657381024 6550651712 7267876352 7778898908 7871138816 9528220672 10822815872 11314762048 13101303424 14535752704 15557797816 21645631744 22629524096 26202606848 31115595632 43291263488 45259048192 52405213696 62231191264 86582526976 90518096384 104810427392 124462382528 181036192768 248924765056 497849530112 995699060224 1991398120448
• Sum of all divisors σ(n): 4806510589440
• Sum of proper divisors (its aliquot sum) s(n): 2815112468992
• 1991398120448 is an abundant number, because the sum of its proper divisors (2815112468992) is greater than itself. Its abundance is 823714348544

Bases of 1991398120448

• Binary: 11100111110101000100100111101110000000000₂
• Hexadecimal: 0x1CFA893DC00
• Base-36: PEU30VSW

Squares and roots of 1991398120448

• 1991398120448 squared (1991398120448²) is 3965666474123827115720704
• 1991398120448 cubed (1991398120448³) is 7897220762893836545858706938519355392
• The square root of 1991398120448 is 1411169.0616109751
• The cube root of 1991398120448 is 12581.1217260081

Scales and comparisons

• 1,991,398,120,448 seconds is equal to 63,320 years, 15 weeks, 4 days, 8 hours, 34 minutes, 8 seconds.
• To count from 1 to 1,991,398,120,448 would take you about one hundred fifty-eight thousand, three hundred 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 1991398120448 cubic inches would be around 1048.4 feet tall.

Recreational maths with 1991398120448

• 1991398120448 backwards is 8440218931991
• The number of decimal digits it has is: 13
• The sum of 1991398120448's digits is 59
• More coming soon!