1398545518761878812

Names of 1398545518761878812

• Cardinal: 1398545518761878812 can be written as One quintillion, three hundred ninety-eight quadrillion, five hundred forty-five trillion, five hundred eighteen billion, seven hundred sixty-one million, eight hundred seventy-eight thousand, eight hundred twelve.

Scientific notation

• Scientific notation: 1.398545518761878812 × 10¹⁸

Factors of 1398545518761878812

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1247

Divisors of 1398545518761878812

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 13 19 26 38 52 76 169 247 338 361 494 676 722 988 1213 1444 2197 2426 3211 4394 4693 4852 6422 6859 8788 9386 12844 13718 15769 18772 23047 27436 28561 31538 41743 46094 57122 61009 63076 83486 89167 92188 114244 122018 166972 178334 204997 244036 299611 356668 409994 437893 542659 599222 793117 819988 875786 1085318 1159171 1198444 1471369 1586234 1751572 2170636 2318342 2664961 2942738 3172468 3894943 4636684 5329922 5692609 5885476 7789886 8319967 10310521 10659844 11385218 15069223 15579772 16639934 19127797 20621042 22770436 27956011 30138446 33279868 34644493 38255594 41242084 50634259 55912022 60276892 69288986 74003917 76511188 101268518 108159571 111824044 138577972 148007834 195899899 202537036 216319142 248661361 296015668 363428143 391799798 432638284 497322722 531164209 658245367 726856286 783599596 962050921 994645444 1062328418 1316490734 1406074423 1453712572 1784770597 1924101842 2124656836 2632981468 2812148846 3232597693 3569541194 3848203684 4724565859 5624297692 6465195386 6905134717 7139082388 9449131718 10092119971 12506661973 12930390772 13810269434 18278967499 18898263436 20184239942 23202017761 25013323946 27620538868 33910641343 36557934998 40368479884 42023770009 46404035522 50026647892 61419356167 67821282686 73115869996 84047540018 89766751321 92808071044 122838712334 131197559623 135642565372 168095080036 179533502642 237626577487 245677424668 262395119246 301626230893 359067005284 440838337459 475253154974 524790238492 603252461786 644302185517 798451630171 881676674918 950506309948 1166967767173 1206504923572 1288604371034 1596903260342 1705568275099 1763353349836 2333935534346 2577208742068 3193806520684 3411136550198 3921141001609 4667871068692 5730898386967 6822273100396 7842282003218 8375928411721 11461796773934 12241741524823 15170580973249 15684564006436 16751856823442 22172387576287 22923593547868 24483483049646 30341161946498 33503713646884 44344775152574 48966966099292 50974833020917 60682323892996 74501679030571 88689550305148 101949666041834 108887069352373 149003358061142 159142639822699 203899332083668 217774138704746 288241038491731 298006716122284 318285279645398 435548277409492 576482076983462 636570559290796 968521827397423 1152964153966924 1415531901580849 1937043654794846 2068854317695087 2831063803161698 3874087309589692 4137708635390174 5662127606323396 8275417270780348 18401914720551037 26895106130036131 36803829441102074 53790212260072262 73607658882204148 107580424520144524 349636379690469703 699272759380939406 1398545518761878812
• Sum of all divisors σ(n): 2800989853777018400
• Sum of proper divisors (its aliquot sum) s(n): 1402444335015139588
• 1398545518761878812 is an abundant number, because the sum of its proper divisors (1402444335015139588) is greater than itself. Its abundance is 3898816253260776

Bases of 1398545518761878812

• Binary: 1001101101000101000011011110101010000000001000010010100011100₂
• Hexadecimal: 0x1368A1BD5004251C
• Base-36: AMIN0DQNLD7G

Squares and roots of 1398545518761878812

• 1398545518761878812 squared (1398545518761878812²) is 1955929568048932720143988556174531344
• 1398545518761878812 cubed (1398545518761878812³) is 2735456532408692156101717528572412507021563397023483328
• The square root of 1398545518761878812 is 1182601166.3962955909
• The cube root of 1398545518761878812 is 1118301.4002051727

Scales and comparisons

• 1,398,545,518,761,878,812 seconds is equal to 44,469,421,511 years, 15 weeks, 5 days, 8 hours, 6 minutes, 52 seconds.
• To count from 1 to 1,398,545,518,761,878,812 would take you about one hundred fifty-five billion, six hundred forty-two million, nine hundred seventy-five thousand, two hundred eighty-nine 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 1398545518761878812 cubic inches would be around 93191.8 feet tall.

Recreational maths with 1398545518761878812

• 1398545518761878812 backwards is 2188781678155458931
• The number of decimal digits it has is: 19
• The sum of 1398545518761878812's digits is 97
• More coming soon!