155420883072

Names of 155420883072

• Cardinal: 155420883072 can be written as One hundred fifty-five billion, four hundred twenty million, eight hundred eighty-three thousand and seventy-two.

Scientific notation

• Scientific notation: 1.55420883072 × 10¹¹

Factors of 155420883072

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 8397

Divisors of 155420883072

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 32 36 39 42 48 52 56 63 64 72 78 84 91 96 104 112 117 126 128 144 156 168 181 182 192 208 224 234 252 273 288 312 336 362 364 384 416 448 468 504 543 546 576 624 672 724 728 819 832 896 936 1008 1086 1092 1152 1248 1267 1344 1448 1456 1629 1638 1664 1872 2016 2172 2184 2353 2496 2534 2688 2896 2912 3258 3276 3744 3801 4032 4344 4368 4706 4992 5068 5792 5824 6516 6552 7059 7488 7602 8064 8191 8688 8736 9412 10136 11403 11584 11648 13032 13104 14118 14976 15204 16382 16471 17376 17472 18824 20272 21177 22806 23168 24573 26064 26208 28236 30408 32764 32942 34752 34944 37648 40544 42354 45612 49146 49413 52128 52416 56472 57337 60816 65528 65884 69504 73719 75296 81088 84708 91224 98292 98826 104256 104832 106483 112944 114674 121632 131056 131768 147438 148239 150592 162176 169416 172011 182448 196584 197652 208512 212966 225888 229348 243264 262112 263536 294876 296478 301184 319449 338832 344022 364896 393168 395304 425932 451776 458696 486528 516033 524224 527072 589752 592956 638898 677664 688044 729792 745381 786336 790608 851864 903552 917392 958347 1032066 1048448 1054144 1179504 1185912 1277796 1355328 1376088 1459584 1482571 1490762 1572672 1581216 1703728 1834784 1916694 2064132 2108288 2236143 2359008 2371824 2555592 2710656 2752176 2965142 2981524 3145344 3162432 3407456 3669568 3833388 4128264 4447713 4472286 4718016 4743648 5111184 5504352 5930284 5963048 6324864 6708429 6814912 7339136 7666776 8256528 8895426 8944572 9436032 9487296 10222368 10377997 11008704 11860568 11926096 13343139 13416858 13629824 15333552 16513056 17790852 17889144 18974592 19273423 20444736 20755994 22017408 23721136 23852192 26686278 26833716 30667104 31133991 33026112 35581704 35778288 38546846 40889472 41511988 47442272 47704384 53372556 53667432 57820269 61334208 62267982 66052224 71163408 71556576 77093692 83023976 93401973 94884544 95408768 106745112 107334864 115640538 122668416 124535964 134913961 142326816 143113152 154187384 166047952 173460807 186803946 189769088 213490224 214669728 231281076 249071928 269827922 284653632 286226304 308374768 332095904 346921614 373607892 404741883 426980448 429339456 462562152 498143856 539655844 569307264 616749536 664191808 693843228 747215784 809483766 853960896 858678912 925124304 996287712 1079311688 1214225649 1233499072 1328383616 1387686456 1494431568 1618967532 1707921792 1850248608 1992575424 2158623376 2428451298 2466998144 2775372912 2988863136 3237935064 3700497216 3985150848 4317246752 4856902596 5550745824 5977726272 6475870128 7400994432 8634493504 9713805192 11101491648 11955452544 12951740256 17268987008 19427610384 22202983296 25903480512 38855220768 51806961024 77710441536 155420883072
• Sum of all divisors σ(n): 553557688320
• Sum of proper divisors (its aliquot sum) s(n): 398136805248
• 155420883072 is an abundant number, because the sum of its proper divisors (398136805248) is greater than itself. Its abundance is 242715922176

Bases of 155420883072

• Binary: 10010000101111110011100111100010000000₂
• Hexadecimal: 0x242FCE7880
• Base-36: 1ZEDKWW0

Squares and roots of 155420883072

• 155420883072 squared (155420883072²) is 24155650894880296157184
• 155420883072 cubed (155420883072³) is 3754292593261242672482425396789248
• The square root of 155420883072 is 394234.5533714671
• The cube root of 155420883072 is 5376.5430069073

Scales and comparisons

• 155,420,883,072 seconds is equal to 4,941 years, 46 weeks, 6 days, 19 hours, 31 minutes, 12 seconds.
• To count from 1 to 155,420,883,072 would take you about nine thousand, eight 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 155420883072 cubic inches would be around 448 feet tall.

Recreational maths with 155420883072

• 155420883072 backwards is 270388024551
• The number of decimal digits it has is: 12
• The sum of 155420883072's digits is 45
• More coming soon!