991448438669312

Names of 991448438669312

• Cardinal: 991448438669312 can be written as Nine hundred ninety-one trillion, four hundred forty-eight billion, four hundred thirty-eight million, six hundred sixty-nine thousand, three hundred twelve.

Scientific notation

• Scientific notation: 9.91448438669312 × 10¹⁴

Factors of 991448438669312

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 30
• Sum of prime factors: 217

Divisors of 991448438669312

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 64 89 104 113 128 178 208 226 256 356 416 452 512 712 832 904 1024 1157 1424 1469 1664 1808 2048 2314 2848 2938 3328 3616 4096 4628 5696 5876 6656 7232 8192 9256 10057 11392 11752 12769 13312 14464 16384 18512 20114 22784 23504 25538 26624 28928 32768 37024 40228 45568 47008 51076 53248 57856 65536 74048 80456 91136 94016 102152 106496 115712 130741 131072 148096 160912 165997 182272 188032 204304 212992 231424 261482 262144 296192 321824 331994 364544 376064 408608 425984 462848 522964 524288 592384 643648 663988 729088 752128 817216 851968 925696 1045928 1048576 1136441 1184768 1287296 1327976 1458176 1504256 1634432 1703936 1851392 2091856 2097152 2272882 2369536 2574592 2655952 2916352 3008512 3268864 3407872 3702784 4183712 4194304 4545764 4739072 5149184 5311904 5832704 6017024 6537728 6815744 7405568 8367424 8388608 9091528 9478144 10298368 10623808 11665408 12034048 13075456 13631488 14773733 14811136 16734848 16777216 18183056 18956288 20596736 21247616 23330816 24068096 26150912 27262976 29547466 29622272 33469696 33554432 36366112 37912576 41193472 42495232 46661632 48136192 52301824 54525952 59094932 59244544 66939392 67108864 72732224 75825152 82386944 84990464 93323264 96272384 104603648 109051904 118189864 118489088 133878784 145464448 151650304 164773888 169980928 186646528 192544768 209207296 218103808 236379728 236978176 267757568 290928896 303300608 329547776 339961856 373293056 385089536 418414592 436207616 472759456 473956352 535515136 581857792 606601216 659095552 679923712 746586112 770179072 836829184 872415232 945518912 947912704 1071030272 1163715584 1213202432 1318191104 1359847424 1493172224 1540358144 1673658368 1891037824 1895825408 2142060544 2327431168 2426404864 2636382208 2719694848 2986344448 3080716288 3347316736 3782075648 3791650816 4284121088 4654862336 4852809728 5272764416 5439389696 5972688896 6161432576 6694633472 7564151296 7583301632 8568242176 9309724672 9705619456 10545528832 10878779392 12322865152 13389266944 15128302592 17136484352 18619449344 19411238912 21091057664 21757558784 24645730304 26778533888 30256605184 34272968704 37238898688 38822477824 42182115328 43515117568 49291460608 53557067776 60513210368 68545937408 74477797376 77644955648 84364230656 87030235136 98582921216 107114135552 121026420736 137091874816 148955594752 168728461312 174060470272 214228271104 242052841472 274183749632 297911189504 337456922624 348120940544 428456542208 484105682944 548367499264 595822379008 674913845248 696241881088 856913084416 968211365888 1096734998528 1191644758016 1392483762176 1936422731776 2193469997056 2383289516032 2784967524352 3872845463552 4386939994112 4766579032064 5569935048704 7745690927104 8773879988224 9533158064128 11139870097408 15491381854208 19066316128256 30982763708416 38132632256512 61965527416832 76265264513024 123931054833664 247862109667328 495724219334656 991448438669312
• Sum of all divisors σ(n): 2178699990945660
• Sum of proper divisors (its aliquot sum) s(n): 1187251552276348
• 991448438669312 is an abundant number, because the sum of its proper divisors (1187251552276348) is greater than itself. Its abundance is 195803113607036

Bases of 991448438669312

• Binary: 11100001011011011110010100000000000000000000000000₂
• Hexadecimal: 0x385B794000000
• Base-36: 9RFT4HXYWW

Squares and roots of 991448438669312

• 991448438669312 squared (991448438669312²) is 982970006539816518317290553344
• 991448438669312 cubed (991448438669312³) is 974564078242664492909453781013046851511779328
• The square root of 991448438669312 is 31487274.2337172145
• The cube root of 991448438669312 is 99714.1315265157

Scales and comparisons

• 991,448,438,669,312 seconds is equal to 31,524,993 years, 31 weeks, 18 hours, 48 minutes, 32 seconds.
• To count from 1 to 991,448,438,669,312 would take you about seventy-eight million, eight hundred twelve thousand, four hundred eighty-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 991448438669312 cubic inches would be around 8309.5 feet tall.

Recreational maths with 991448438669312

• 991448438669312 backwards is 213966834844199
• The number of decimal digits it has is: 15
• The sum of 991448438669312's digits is 77
• More coming soon!