389715980157

Names of 389715980157

• Cardinal: 389715980157 can be written as Three hundred eighty-nine billion, seven hundred fifteen million, nine hundred eighty thousand, one hundred fifty-seven.

Scientific notation

• Scientific notation: 3.89715980157 × 10¹¹

Factors of 389715980157

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1712

Divisors of 389715980157

• Number of divisors d(n): 160
• Complete list of divisors:
  1 3 7 9 17 21 27 51 63 71 81 119 153 189 213 357 459 497 521 567 639 1071 1093 1207 1377 1491 1563 1917 3213 3279 3621 3647 4473 4689 5751 7651 8449 8857 9639 9837 10863 10941 13419 14067 18581 22953 25347 26571 29511 32589 32823 36991 40257 42201 55743 61999 68859 76041 77603 79713 88533 97767 98469 110973 130067 167229 185997 206577 228123 232809 239139 258937 295407 332919 390201 501687 543221 557991 569453 619731 628847 684369 698427 717417 776811 998757 1170603 1319251 1505061 1629663 1673973 1708359 1886541 2095281 2330433 2996271 3511809 3957753 3986171 4401929 4888989 5021919 5125077 5659623 6285843 6991299 9234757 9680701 10535427 11873259 11958513 13205787 14666967 15375231 16978869 20973897 27704271 29042103 35619777 35875539 39617361 40431163 44000901 46125693 50936607 67764907 83112813 87126309 106859331 107626617 118852083 121293489 203294721 249338439 261378927 283018141 322879851 356556249 363880467 609884163 687329771 748015317 784136781 849054423 1091641401 1829652489 2061989313 2547163269 3274924203 4811308397 5488957467 6185967939 7641489807 14433925191 18557903817 22924469421 43301775573 55673711451 129905326719 389715980157
• Sum of all divisors σ(n): 716420795904
• Sum of proper divisors (its aliquot sum) s(n): 326704815747
• 389715980157 is a deficient number, because the sum of its proper divisors (326704815747) is less than itself. Its deficiency is 63011164410

Bases of 389715980157

• Binary: 101101010111100111000011110111101111101₂
• Hexadecimal: 0x5ABCE1EF7D
• Base-36: 4Z16TYT9

Squares and roots of 389715980157

• 389715980157 squared (389715980157²) is 151878545189731217744649
• 389715980157 cubed (389715980157³) is 59189496103435319054737075976929893
• The square root of 389715980157 is 624272.3605582743
• The cube root of 389715980157 is 7304.3695623645

Scales and comparisons

• 389,715,980,157 seconds is equal to 12,391 years, 39 weeks, 4 days, 14 hours, 55 minutes, 57 seconds.
• To count from 1 to 389,715,980,157 would take you about twenty-four thousand, seven 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 389715980157 cubic inches would be around 608.7 feet tall.

Recreational maths with 389715980157

• 389715980157 backwards is 751089517983
• 389715980157 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 389715980157's digits is 63
• More coming soon!