31491770009018

Names of 31491770009018

• Cardinal: 31491770009018 can be written as Thirty-one trillion, four hundred ninety-one billion, seven hundred seventy million, nine thousand and eighteen.

Scientific notation

• Scientific notation: 3.1491770009018 × 10¹³

Factors of 31491770009018

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1227

Divisors of 31491770009018

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 11 17 19 22 31 34 38 61 62 121 122 187 209 242 257 323 341 374 418 514 527 589 646 671 682 829 1037 1054 1159 1178 1342 1658 1891 2057 2074 2299 2318 2827 3553 3751 3782 4114 4369 4598 4883 5654 5797 6479 7106 7381 7502 7967 8738 9119 9766 10013 11407 11594 12749 12958 14093 14762 15677 15751 15934 18238 19703 20026 20801 22814 25498 25699 28186 31097 31354 31502 32147 35929 39083 39406 41602 48059 50569 51398 53713 62194 63767 64294 71269 71858 78166 83011 87637 96118 100309 101138 107426 110143 125477 127534 135439 140239 142538 151373 155023 166022 172447 173261 175274 200618 213053 216733 220286 228811 250954 266509 267767 270878 280478 282689 297863 302746 310046 344894 346522 353617 395219 426106 433466 436883 457622 485987 488281 528649 533018 535534 556259 565378 590843 595726 610793 707234 790438 859673 873766 913121 960811 964007 971974 976562 1057298 1112518 1181686 1211573 1221586 1489829 1567639 1665103 1705253 1719346 1826242 1896917 1905871 1921622 1928014 2343583 2384063 2423146 2573341 2931599 2945437 2979658 3109579 3135278 3276493 3330206 3410506 3621901 3793834 3811742 3889787 4048007 4347409 4687166 4768126 4805713 5063671 5146682 5345857 5371091 5863198 5890874 6118849 6219158 6552986 6604643 6718723 7243802 7779574 8096014 8261779 8300777 8694818 9233753 9456403 9611426 10044331 10127342 10568921 10691714 10742182 12237698 12996233 13209286 13437446 16333787 16388119 16523558 16601554 17244029 18316133 18467506 18912806 20088662 21137842 25779413 25992466 26649863 28306751 29785141 32247589 32399807 32667574 32776238 34488058 36041423 36632266 39840911 44528077 51558826 52862843 53299726 55700381 56613502 58804427 59082001 59570282 64495178 64799614 68816119 72082846 72651073 73905953 79681822 89056154 90879569 91308547 101571283 104020433 105725686 111400762 112278931 116258131 117608854 118164002 125488217 137632238 142958563 145302146 147811906 156973801 179671657 181759138 182617094 189684319 203142566 208040866 220935961 224557862 232516262 246928427 250976434 285917126 293148493 311374261 313947602 327636551 359343314 379368638 402883223 438250021 441871922 489808847 493856854 506347397 586296986 612704191 622748522 655273102 756977309 799161803 805766446 876500042 979617694 999675259 1004394017 1012694794 1117284113 1225408382 1235068241 1380370387 1513954618 1572544193 1598323606 1726711811 1976388227 1999350518 2008788034 2133299689 2234568226 2430295571 2470136482 2716212697 2760740774 3145088386 3224633423 3453423622 3604002061 3952776454 4197783259 4266599378 4431715453 4860591142 5432425394 5569821367 6449266846 6849014791 7208004122 7654781237 8326750399 8395566518 8863430906 11139642734 13585750651 13698029582 15184074257 15309562474 16653500798 18993829921 23466296579 26733251281 27171501302 29878339667 30368148514 37987659842 46175615849 46932593158 48748869983 53466502562 59756679334 61268035037 75339162701 84202593607 92351231698 97497739966 122536070074 130131281029 150678325402 168405187214 258129262369 260262562058 507931774339 516258524738 828730789711 926228529677 1015863548678 1431444091319 1657461579422 1852457059354 2862888182638 15745885004509 31491770009018
• Sum of all divisors σ(n): 61025994086400
• Sum of proper divisors (its aliquot sum) s(n): 29534224077382
• 31491770009018 is a deficient number, because the sum of its proper divisors (29534224077382) is less than itself. Its deficiency is 1957545931636

Bases of 31491770009018

• Binary: 111001010010000111111110000111100010110111010₂
• Hexadecimal: 0x1CA43FC3C5BA
• Base-36: B5V4ARPVE

Squares and roots of 31491770009018

• 31491770009018 squared (31491770009018²) is 991731578300885563801324324
• 31491770009018 cubed (31491770009018³) is 31231382774531914344669017321173822753832
• The square root of 31491770009018 is 5611752.8463946093
• The cube root of 31491770009018 is 31579.0472946085

Scales and comparisons

• 31,491,770,009,018 seconds is equal to 1,001,340 years, 45 weeks, 3 days, 19 hours, 23 minutes, 38 seconds.
• To count from 1 to 31,491,770,009,018 would take you about two million, five hundred three thousand, three hundred fifty-two 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 31491770009018 cubic inches would be around 2631.6 feet tall.

Recreational maths with 31491770009018

• 31491770009018 backwards is 81090007719413
• The number of decimal digits it has is: 14
• The sum of 31491770009018's digits is 50
• More coming soon!