155269462729642401

Names of 155269462729642401

• Cardinal: 155269462729642401 can be written as One hundred fifty-five quadrillion, two hundred sixty-nine trillion, four hundred sixty-two billion, seven hundred twenty-nine million, six hundred forty-two thousand, four hundred one.

Scientific notation

• Scientific notation: 1.55269462729642401 × 10¹⁷

Factors of 155269462729642401

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 214779

Divisors of 155269462729642401

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 21 67 139 201 379 417 469 973 1137 1407 2653 2919 7959 9313 10273 25393 27939 30819 52681 65191 71911 76179 158043 177751 195573 203911 215733 368767 533253 611733 688291 1106301 1427377 1427947 2064873 3529627 3893467 4282131 4283841 4818037 9995629 10588881 11680401 13662037 14454111 24707389 27254269 28343629 29986887 40986111 74122167 77282269 81762807 85030887 95634259 95672449 198405403 231846807 260862289 286902777 287017347 540975883 541191913 595216209 669707143 782586867 1622927649 1623575739 1826036023 1899023143 2009121429 2094777703 3788343391 5177912023 5478108069 5697069429 6284333109 10742235391 11365030173 13293162001 14663443921 15533736069 32226706173 36245384161 36259858171 39879486003 43990331763 75195647737 108736152483 108779574513 140350106101 225586943211 253819007197 291174100717 421050318303 719729771197 761457021591 793920749437 873522302151 982450742707 2038218705019 2159189313591 2381762248311 2947352228121 5038108398379 5557445246059 6114656115057 15114325195137 16672335738177 19508664748039 53192690212279 58525994244117 110354984171743 136560653236273 159578070636837 331064952515229 372348831485953 409681959708819 772484889202201 1117046494457859 2317454667606603 7393783939506781 22181351818520343 51756487576547467 155269462729642401
• Sum of all divisors σ(n): 242522964928921600
• Sum of proper divisors (its aliquot sum) s(n): 87253502199279199
• 155269462729642401 is a deficient number, because the sum of its proper divisors (87253502199279199) is less than itself. Its deficiency is 68015960530363202

Bases of 155269462729642401

• Binary: 1000100111101000001100000011110010011101110101000110100001₂
• Hexadecimal: 0x227A0C0F27751A1
• Base-36: 16GUFIGII2ZL

Squares and roots of 155269462729642401

• 155269462729642401 squared (155269462729642401²) is 24108606056351810643694557337044801
• 155269462729642401 cubed (155269462729642401³) is 3743330309530348529092004028813751247200596846207201
• The square root of 155269462729642401 is 394042463.1047298703
• The cube root of 155269462729642401 is 537479.6389384125

Scales and comparisons

• 155,269,462,729,642,401 seconds is equal to 4,937,088,634 years, 42 weeks, 4 days, 13 hours, 33 minutes, 21 seconds.
• To count from 1 to 155,269,462,729,642,401 would take you about fourteen billion, eight hundred eleven million, two hundred sixty-five thousand, nine 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 155269462729642401 cubic inches would be around 44790 feet tall.

Recreational maths with 155269462729642401

• 155269462729642401 backwards is 104246927264962551
• The number of decimal digits it has is: 18
• The sum of 155269462729642401's digits is 75
• More coming soon!